Get Display messages and warning/indicator lamps Guide for Mercedes CLA 4 Door Second Generation (2019-2024)

DisplaDisplay messagy messageses

IntrIntroductionoduction

NNoottes about displaes about display messagy messageses

Display messages appear on the instrument dis-

play.

Display messages with graphic symbols are sim-

plied in the Operator's Manual and may dier

from the symbols on the instrument display. The

instrument display shows high-priority display

messages in red. Certain display messages are

accompanied by a warning tone.

Please act in accordance with the display mes-

sages and follow the additional notes in the Oper-

ator's Manual.

For some display messages, symbols will also be

shown:

Õ Further information

¨ Hide display message

With the le-hand Touch Control, you can select

the respective symbol by swiping to the le or

right. Pressing Õ displays further information on

the media display. Press the ¨ symbol to hide

the display message.

You can hide low-priority display messages by

pressing the back button P or the le-hand

Touch Control. The display messages will then be

stored in the message memory.

Rectify the cause of a display message as quickly

as possible.

High-priority display messages cannot be hidden.

The instrument display will show these display

messages permanently until the cause of the dis-

play message has been rectied.

Calling up sav

Calling up saved displaed display messagy messageses

On-board computer:

Service

1 Message

If there are no display messages, No Messages

will appear on the instrument display.

Scroll through the display messages by swip-

ing upwards or downwards on the le-hand

Touch Control.

TTo eo exit txit the messaghe message memorye memory:: press the back

button P.

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Display messages and warning/indicator lamps

Occupant safeOccupant safetyty

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

SRS Malfunction Service

Required

*The restraint system is malfunctioning (/ page 38).

WARNINGARNING Risk of injury due to malfunctions in the restraint system

Components in the restraint system may be activated unintentionally or not deploy as planned in an accident.

Have the restraint system checked and repaired immediately at a qualied specialist workshop.

Front Left Malfunction

Service Required

(example)

*The corresponding restraint system is malfunctioning (/ page 38).

WARNINGARNING Risk of injury due to malfunctions in the restraint system

Components in the restraint system may be activated unintentionally or not deploy as planned in an accident.

Have the restraint system checked and repaired immediately at a qualied specialist workshop.

Left Side Curtain Airbag

Malfunction Service

Required

(example)

*The corresponding restraint system is malfunctioning (/ page 38).

WARNINGARNING Risk of injury or fatal injury due to a malfunction in the window curtain airbag

The window curtain airbag might be triggered unintentionally or might not be triggered at all in the event of an

accident.

Have the window curtain airbag checked and repaired immediately at a qualied specialist workshop.

Display messages and warning/indicator lamps

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Front Passenger Airbag Dis-

abled See Operator's Man-

ual

*The front passenger airbag and the front passenger knee airbag have been disabled even though an adult or a person

of adult build is on the front passenger seat. If additional forces are applied to the seat, the weight the system detects

may be too low.

WARNINGARNING Risk of injury or fatal injury due to a disabled front passenger airbag

If the front passenger airbag is disabled, the front passenger airbag will not be deployed in the event of an accident

and cannot perform its intended protective function.

A person in the front passenger seat could then, for example, come into contact with the vehicle's interior, espe-

cially if the person is sitting too close to the cockpit.

Make sure, both before and during the journey, that the status of the front passenger airbag is correct.

Stop the vehicle immediately in accordance with the trac conditions.

Make sure that no objects are trapped under the front passenger seat.

Check the status of automatic front passenger airbag shuto (/ page 48).

If necessary, consult a qualied specialist workshop immediately.

Front Passenger Airbag

Enabled See Operator's

Manual

*The front passenger airbag and the front passenger knee airbag will be enabled while the vehicle is in motion in the

following situations:

Even when a child, a person of smaller stature or an object weighing less than the system weight threshold is loca-

ted on the front passenger seat

Even when the front passenger seat is not occupied

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The system may detect objects or forces that are adding to the weight applied to the seat.

WARNINGARNING Risk of injury or death when using a child restraint system while the front passenger airbag is ena-

bled

If you secure a child in a child restraint system on the front passenger seat and the front passenger airbag is ena-

bled, the front passenger airbag can deploy in the event of an accident.

The child could be struck by the airbag.

Ensure, both before and during the journey, that the status of the front passenger airbag is correct.

NEVER use a rearward facing child restraint on a seat protected by an ACTIVE AIRBAG in front of it, DEATH or

SERIOUS INJURY to the CHILD can occur.

Stop the vehicle immediately in accordance with the trac conditions.

Make sure that no objects are trapped under the front passenger seat.

Check the status of automatic front passenger airbag shuto (/ page 48).

If necessary, consult a qualied specialist workshop immediately.

PRE-SAFE Inoperative See

Operator's Manual

The PRE‑SAFE

functions are malfunctioning.

Consult a qualied specialist workshop.

Display messages and warning/indicator lamps

341

SmarSmartKeytKey

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Obtain a New Key

*Have the SmartKey replaced.

Consult a qualied specialist workshop.

Replace Key Battery

*The SmartKey battery is discharged.

Replace the battery (/ page 68).

Key Not Detected (white

display message)

*The SmartKey is currently undetected.

Change the location of the SmartKey in the vehicle.

If the SmartKey is still not recognized, place it in the marked space for starting with the SmartKey (/ page 131).

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Key Not Detected (red dis-

play message)

*The SmartKey cannot be detected and may no longer be in the vehicle.

The SmartKey is no longer in the vehicle and you switch o the vehicle:

You can no longer start the vehicle.

You cannot centrally lock the vehicle.

Ensure that the SmartKey is in the vehicle.

If the SmartKey detection function has a malfunction due to a strong radio signal source:

Stop the vehicle immediately in accordance with the trac conditions.

Place the SmartKey in the marked space for starting the engine with the SmartKey (/ page 131).

Don't Forget Your Key

*Awarning tone will also sound. This message reminds you to take your SmartKey with you when you leave the vehicle.

Key Being Initialized Please

Wait

*The vehicle is processing in order to teach in the new SmartKey.

Wait until processing is complete.

Display messages and warning/indicator lamps

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Place the Key in the

Marked Space See Opera-

tor's Manual

*SmartKey detection is malfunctioning.

Change the location of the SmartKey in the vehicle.

Place the SmartKey in the marked space for starting the engine with the SmartKey (/ page 131).

LightsLights

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Check Left Low

Beam

(example)

*The corresponding light source is defective.

Drive on carefully.

Visit a qualied specialist workshop immediately.

LED light sources: the display message for the corresponding light appears only when all the light-emitting diodes

in the light are faulty.

Malfunction See Opera-

tor’s Manual

*The exterior lighting is malfunctioning.

Consult a qualied specialist workshop.

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Automatic Headlamp Mode

Inoperative

*The light sensor for automatic driving lights is malfunctioning.

Consult a qualied specialist workshop.

Active Headlamps Inopera-

tive

*The active headlamps are malfunctioning.

Consult a qualied specialist workshop.

Switch On Headlamps

*You are driving without low-beam headlamps.

Turn the light switch to the L or Ã position.

Switch Off Lights

*You are leaving the vehicle and the lights are still switched on.

Turn the light switch to the Ã position.

Display messages and warning/indicator lamps

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Intell. Light System Inoper-

ative

*The Intelligent Light System is malfunctioning. The lighting system continues to function properly without the functions

of the Intelligent Light System.

Consult a qualied specialist workshop.

Adaptive Highbeam Assist

Currently Unavailable See

Operator's Manual

*Adaptive Highbeam Assist is temporarily unavailable.

The system limits have been reached (/ page 117).

Once the cause of the problem is no longer present, the system will be available again. The

Adaptive Highbeam

Assist Now Available

display message will appear.

Drive on.

Operate the high beam manually until Adaptive High Beam Assist is available again.

Adaptive Highbeam Assist

Inoperative

*Adaptive Highbeam Assist is malfunctioning.

Drive on.

Stop the vehicle in accordance with the trac conditions and restart the vehicle.

If the display message does not disappear: consult a qualied specialist workshop.

Until then, operate the high beam manually.

Hazard Warning Flashers

Malfunctioning

*The hazard warning lamp switch is malfunctioning.

Consult a qualied specialist workshop.

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VVehicleehicle

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Vehicle Ready to Drive

Switch the Ignition Off

Before Exiting

*You are leaving the vehicle in a ready-to-drive state.

Get out of the vehicle, secure it against rolling away and take the SmartKey with you.

If you do not leave the vehicle, switch o the electrical consumers, e.g. the seat heating. Otherwise, the 12‑V bat-

tery may discharge and starting the engine may be possible only with the help of a second battery (jump start).

Head-up Display Currently

Unavailable See Operator's

Manual

*The Head-up Display is temporarily unavailable. Possible causes:

Malfunctions in the power supply

Signal interference

Stop in accordance with the trac conditions and switch the vehicle o and on again.

If the display message still appears, consult a qualied specialist workshop.

Head-up Display Inopera-

tive

*The Head-up Display has an internal error.

Consult a qualied specialist workshop.

Display messages and warning/indicator lamps

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Steering Malfunction

Increased Physical Effort

See Operator's Manual

*The power steering assistance is malfunctioning.

WARNINGARNING Risk of an accident due to altered steering characteristics

If the power assistance of the steering fails partially or completely, you will need to use more force to steer.

If safe steering is possible, drive on carefully.

Visit or consult a qualied specialist workshop immediately.

Steering Malfunction Stop

Immediately See Opera-

tor's Manual

*The steering is malfunctioning. Steering capability is signicantly impaired.

WARNINGARNING Risk of accident if steering capability is impaired

If the steering does not function as intended, the vehicle's operating safety is jeopardized.

Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions. Do

not continue driving under any circumstances.

Consult a qualied specialist workshop.

Steering Malfunction See

Operator's Manual

*The electric steering lock is malfunctioning. The steering may be locked by the electric steering lock.

WARNINGARNING Risk of accident if steering capability is impaired

If the steering does not function as intended, the vehicle's operating safety is jeopardized.

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Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions. Do

not continue driving under any circumstances.

Consult a qualied specialist workshop.

Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.

Consult a qualied specialist workshop.

Before Starting the Engine,

Turn Steering Wheel

*The electric steering lock could not unlock the steering.

Switch o the vehicle.

To unlock the steering, move the steering wheel slightly to the le and right.

Switch on the vehicle again.

*At least one door is open.

Close all doors.

*The hood is open.

WARNINGARNING Risk of accident due to driving with the hood unlocked

The hood may open and block your view.

Display messages and warning/indicator lamps

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Never release the hood when driving.

Before every trip, ensure that the hood is locked.

Stop the vehicle immediately in accordance with the trac conditions.

Close the hood.

*The trunk lid is open.

DANANGERGER Risk of exhaust gas poisoning

Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the vehicle

interior if the trunk lid is open when the vehicle is running, especially if the vehicle is in motion.

Always switch o the vehicle before opening the trunk lid.

Never drive with the trunk lid open.

Close the trunk lid.

Check Washer Fluid

*The washer uid level in the washer uid reservoir has dropped below the minimum.

Add washer uid (/ page 265).

Wiper Malfunctioning

*The windshield wipers are malfunctioning.

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Display messages and warning/indicator lamps

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Restart the vehicle.

If the display message still appears:

Consult a qualied specialist workshop.

EngineEngine

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To switch engine off, press

and hold Start/Stop but-

ton for at least 3 seconds

or press 3 times.

*You have pressed the start/stop button while the vehicle is in motion.

Information about switching o the vehicle while driving (/ page 131).

Cannot Start Engine See

Operator's Manual

*The vehicle cannot be started.

Switch the vehicle o and switch it back on

If the display message still appears, consult a qualied specialist workshop.

Display messages and warning/indicator lamps

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Check Coolant Level See

Operator's Manual

*The coolant level is too low.

NOOTETE Engine damage due to insucient coolant

Avoid long journeys with insucient coolant.

Add coolant (/ page 264).

Have the engine cooling system checked at a qualied specialist workshop.

Coolant Too Hot Stop Vehi-

cle Turn Engine Off

*The coolant is too hot.

Stop immediately in accordance with the trac conditions and switch o the vehicle.

WARNINGARNING Risk of burns when opening the hood

If you open the hood in the event of an overheated engine or re in the engine compartment, the following situa-

tions may occur:

You may come into contact with hot gases.

You may come into contact with other escaping hot operating uids.

Before opening the hood, allow the engine to cool down.

In the event of a re in the engine compartment, keep the hood closed and call the re service.

Wait until the engine has cooled down.

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Make sure that the air supply to the radiator is not obstructed.

Avoiding high loads on the engine, drive to the nearest qualied specialist workshop. In doing so, ensure that the

coolant temperature display remains below the red marking.

*There is a malfunction in the engine cooling system.

Avoiding high loads on the engine, drive to the nearest qualied specialist workshop. In doing so, ensure that the

coolant temperature display remains below the red marking.

Fuel Level Low

*The fuel supply has dropped into the reserve range.

Refuel.

Gas Cap Loose

*The fuel ller cap is not closed correctly or the fuel system is leaking.

Close the fuel ller cap.

If tIf the fuelhe fuel llerller cap wcap was alras already pready properloperly closed:y closed: consult a qualied specialist workshop.

Display messages and warning/indicator lamps

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TTrransmissionansmission

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Only Shift to 'P' when Vehi-

cle is Stationary

*It is possible to select the park position j only if the vehicle is stationary.

Depress the brake pedal to stop.

Shi the transmission to park position j when the vehicle is stationary.

Apply Brake to Shift from

'P'

*You have attempted to shi the transmission out of park position j and into another transmission position.

Depress the brake pedal.

Select transmission position h, k or neutral i.

To Deselect P or N,

Depress Brake and Start

Engine

*You have attempted to shi the transmission out of park position j or neutral i and into another transmission posi-

tion.

Depress the brake pedal.

Start the vehicle.

Change the transmission position.

Apply Brake to Shift to D or

*You have attempted to select transmission position h or k.

Depress the brake pedal.

Select transmission position h or k.

Apply Brake to Shift to 'R'

*You have attempted to select transmission position k.

Depress the brake pedal.

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Depress the brake pedal.

Engage park position j.

Consult a qualied specialist workshop.

Transmission Malfunction

*The transmission is malfunctioning. The cause could be an overheated clutch or blocked gears.

Let the transmission cool down.

If the display message still appears following a restart, consult a qualied specialist workshop.

Transmission Oil Overhea-

ted Drive with Caution

*The transmission is overheating. When the display message is active, start-up and driving characteristics may be tem-

porarily impaired.

Drive at low engine speed.

Avoid sporty driving.

Before pulling away on uphill gradients, let the transmission cool down until the display message disappears.

Parking Lock Inoperative

Apply Parking Brake

*The transmission is malfunctioning. The park position j cannot be selected.

Park the vehicle safely.

Use the electric parking brake to secure the vehicle against rolling away.

Teaching in Transmission

Operate Selector Lever

Apply Brake for XX s Risk

of Vehicle Rolling Away

*The transmission is being taught in. There is a risk of the vehicle rolling away.

Depress and hold the brake pedal until the teach-in process has been completed.

The electric parking brake is applied automatically during the teach-in process.

Switch on the vehicle.

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Select park position j, transmission position k or neutral i.

Apply Parking Brake Risk

of Rolling Away See Opera-

tor's Manual

*The transmission position cannot be reliably identied.

Use the electric parking brake to secure the vehicle against rolling away.

Teaching in Transmission

Complete

*The transmission's teach-in process is complete. All transmission positions can be selected again.

Transmission Malfunction

Service Required

*The transmission is malfunctioning.

Consult a qualied specialist workshop.

Auxiliary Battery Malfunc-

tion

(white display message)

*The auxiliary battery for the automatic transmission is no longer being charged.

Visit a qualied specialist workshop.

Until then, always select park position j manually before you switch o the vehicle.

Before leaving the vehicle, apply the electric parking brake.

Auxiliary Battery Malfunc-

tion

(red display message)

*VVehicles witehicles with auth automatic tromatic transmission:ansmission: The auxiliary battery for the transmission is no longer being charged.

Consult a qualied specialist workshop.

VVehicles witehicles with auth automatic tromatic transmission:ansmission: Until then, always select park position j before you switch o the vehicle.

Before leaving the vehicle, apply the electric parking brake.

Display messages and warning/indicator lamps

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BrBrakakeses

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(USA only)

(Canada only)

Parking Brake See Opera-

tor's Manual

*The yellow ! indicator lamp is lit. The electric parking brake is malfunctioning.

TTo applyo apply::

Switch the vehicle o and switch it back on

Apply the electric parking brake manually (/ page 155).

If it is not possible to apply the electric parking brake:

Consult a qualied specialist workshop.

Where necessary, also secure the parked vehicle against rolling away.

*The yellow ! indicator lamp and the red F (USA only) or ! (Canada only) indicator lamp are lit. The electric

parking brake is malfunctioning.

To ro release:elease:

Switch the vehicle o and switch it back on

Release the electric parking brake manually (/ page 155).

Release the electric parking brake automatically (/ page 154).

If it is still not possible to release the electric parking brake:

Do not continue driving. Consult a qualied specialist workshop.

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*The yellow ! indicator lamp is lit and the red F (USA only) or ! (Canada only) indicator lamp is ashing.

The electric parking brake is malfunctioning.

The electric parking brake could not be applied or released.

Switch the vehicle o and switch it back on

To applyo apply::

Release and then apply the electric parking brake manually (/ page 155).

To ro release:elease:

Apply and then release the electric parking brake manually.

If the electric parking brake cannot be applied or the red F (USA only) or ! (Canada only) indicator lamp con-

tinues to ash:

Do not continue driving. Consult a qualied specialist workshop.

Where necessary, also secure the parked vehicle against rolling away.

*The yellow ! indicator lamp is lit and the red F (USA only) or ! (Canada only) indicator lamp ashes for

approximately ten seconds aer the electric parking brake has been applied or released. It then remains lit or goes

out. The electric parking brake is malfunctioning.

If t

If the sthe statate of ce of chargharge is te is too lowoo low::

Charge the 12 V battery.

Display messages and warning/indicator lamps

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TTo applyo apply::

Switch o the vehicle.

The electric parking brake will be applied automatically.

If you do not want the electric parking brake to be applied, e.g. at an automatic car wash or when the vehicle is being

towed, leave the vehicle switched on. This does not include having the vehicle towed with the rear axle raised.

If the electric parking brake is not applied automatically:

Switch the vehicle o and switch it back on

Release and then apply the electric parking brake manually (/ page 155).

If it is still not possible to apply the electric parking brake:

Consult a qualied specialist workshop.

Where necessary, also secure the parked vehicle against rolling away.

To ro release:elease:

If the conditions for automatic release are fullled and the electric parking brake is not released automatically,

release the electric parking brake manually (/ page 155).

If it is still not possible to release the electric parking brake:

Do not continue driving. Consult a qualied specialist workshop.

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(USA only)

(Canada only)

Please Release Parking

Brake

*The red F indicator lamp (USA only) or ! indicator lamp (Canada only) is ashing.

The electric parking brake is applied while you are driving:

A condition for automatic release of the electric parking brake has not been fullled (/ page 154).

You are performing emergency braking using the electric parking brake (/ page 155).

Check the conditions for automatic release of the electric parking brake.

Release the electric parking brake manually.

Display messages and warning/indicator lamps

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(USA only)

(Canada only)

Turn On the Ignition to

Release the Parking Brake

*The red F (USA only) or ! (Canada only) indicator lamp is lit.

You have attempted to release the electric parking brake with the vehicle switched o.

Switch on the vehicle.

(USA only)

(Canada only)

Check Brake Fluid Level

*There is insucient brake uid in the brake uid reservoir.

WARNINGARNING Risk of an accident due to low brake uid level

If the brake uid level is too low, the braking eect and the braking characteristics may be impaired.

Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions. Do

not continue driving under any circumstances.

Consult a qualied specialist workshop.

Do not add brake uid.

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Check Brake Pads See

Operator's Manual

*The brakepads have reached the wear limit.

Consult a qualied specialist workshop.

DrDriving systiving systemsems

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Off

*The HOLD function is deactivated because the vehicle is slipping or a condition for activation is not fullled.

Reactivate the HOLD function later or check the activation conditions for the HOLD function (/ page 161).

ATTENTION ASSIST Inoper-

ative

*ATTENTION ASSIST is malfunctioning.

Visit a qualied specialist workshop.

Display messages and warning/indicator lamps

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ATTENTION ASSIST: Take a

Break!

*ATTENTION ASSIST has detected fatigue or an increasing lack of concentration on the part of the driver

(/ page 163).

If necessary, take a break.

- - - mph

*Cruise control cannot be activated as not all activation conditions are fullled.

Observe the activation conditions for cruise control (/ page 166).

Cruise Control Inoperative

*Cruise control is malfunctioning.

Visit a qualied specialist workshop.

Cruise Control Off

*Cruise control has been deactivated.

If there is an additional warning tone, cruise control has been deactivated automatically (/ page 165).

- - - mph

*Active Distance Assist DISTRONIC cannot be activated as not all activation conditions are fullled.

Comply with the activation conditions of Active Distance Assist DISTRONIC (/ page 169).

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Suspended

*If you depress the accelerator pedal beyond the setting of Active Distance Assist DISTRONIC, the system will switch to

passive mode (/ page 167).

Off

*Active Distance Assist DISTRONIC was deactivated. If a warning tone also sounds, Active Distance Assist DISTRONIC

has deactivated automatically (/ page 169).

Active Distance Assist Cur-

rently Unavailable See

Operator's Manual

*Active Distance Assist DISTRONIC is temporarily unavailable.

The ambient conditions are outside the system limits (/ page 167).

As soon as the ambient conditions are within the system limits, the system will become available again.

Drive on.

If the display message does not disappear, stop the vehicle in accordance with the trac conditions and restart

the vehicle.

Active Distance Assist Inop-

erative

*Active Distance Assist DISTRONIC is malfunctioning.

Other driving systems and driving safety systems may also be malfunctioning.

Drive on.

Display messages and warning/indicator lamps

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Stop the vehicle in accordance with the trac conditions and restart the vehicle.

If the display message does not disappear: consult a qualied specialist workshop.

Active Distance Assist Now

Available

*Active Distance Assist DISTRONIC is operational again.

Switch on Active Distance Assist DISTRONIC (/ page 169).

Active Steering Assist Cur-

rently Unavailable See

Operator's Manual

*Active Steering Assist is temporarily unavailable.

The ambient conditions are outside the system limits (/ page 173).

As soon as the ambient conditions are within the system limits, the system will become available again.

Drive on

Check the tire pressure if necessary.

Active Steering Assist Inop-

erative

*Active Steering Assist is malfunctioning. Active Distance Assist DISTRONIC remains available.

Drive on

Stop the vehicle in accordance with the trac conditions and restart the vehicle.

If the display message does not disappear: consult a qualied specialist workshop.

Active Steering Asst. Cur-

rently Unavailable Due to

Multiple Emergency Stops

*Active Steering Assist is temporarily unavailable due to multiple emergency stops.

Take over the steering and stop in accordance with the trac conditions.

366366

Display messages and warning/indicator lamps

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Switch the vehicle o and switch it back on

Active Steering Assist is available once more.

Beginning Emergency Stop

*Your hands are not on the steering wheel. An emergency stop is being initiated (/ page 175).

Put your hands back on the steering wheel.

You can cancel the deceleration at any time by performing one of the following actions:

Steering

Braking or accelerating

Deactivating Active Distance Assist DISTRONIC

*Active Steering Assist has reached the system limits (/ page 173).

You have not steered independently for a considerable period of time.

Take over the steering and drive on in accordance with the trac conditions.

Traffic Sign Assist Cur-

rently Unavailable See

Operator's Manual

* Trac Sign Assist is temporarily unavailable.

Once the cause of the problem is no longer present, the system will be available again.

Drive on

Traffic Sign Assist Inopera-

tive

* Trac Sign Assist is malfunctioning.

Drive on

Stop the vehicle in accordance with the trac conditions and restart the vehicle.

Display messages and warning/indicator lamps

367

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

If the display message does not disappear: consult a qualied specialist workshop.

Blind Spot Assist Currently

Unavailable See Operator's

Manual

*Blind Spot Assist is temporarily unavailable.

The system limits have been reached (/ page 186).

Once the cause of the problem is no longer present, the system will be available again.

Drive on

If the display message does not disappear, stop the vehicle in accordance with the trac conditions and restart

the vehicle.

Blind Spot Assist Inopera-

tive

*Blind Spot Assist is malfunctioning.

Drive on

Stop the vehicle in accordance with the trac conditions and restart the vehicle.

If the display message does not disappear: consult a qualied specialist workshop.

Active Blind Spot Assist

Currently Unavailable See

Operator's Manual

*Active Blind Spot Assist is temporarily unavailable.

The system limits have been reached (/ page 186).

Once the cause of the problem is no longer present, the system will be available again.

Drive on

368368

Display messages and warning/indicator lamps

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

If the display message does not disappear, stop the vehicle in accordance with the trac conditions and restart

the vehicle.

Active Blind Spot Assist

Inoperative

*Active Blind Spot Assist is malfunctioning.

Drive on

Stop the vehicle in accordance with the trac conditions and restart the vehicle.

If the display message does not disappear: consult a qualied specialist workshop.

Active Lane Keeping Assist

Currently Unavailable See

Operator's Manual

*Active Lane Keeping Assist is temporarily unavailable.

The ambient conditions are outside the system limits (/ page 189).

As soon as the ambient conditions are within the system limits, the system will become available again.

Drive on

Active Lane Keeping Assist

Inoperative

*Active Lane Keeping Assist is malfunctioning.

Drive on

Stop the vehicle in accordance with the trac conditions and restart the vehicle.

If the display message does not disappear: consult a qualied specialist workshop.

Display messages and warning/indicator lamps

369

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Temporarily Unavailable

Sensors are Dirty

*Front and corner radar sensors (hereaer "sensors") are malfunctioning. Possible causes:

The sensors are dirty

Heavy rain or snow

Extended country driving without other trac, e.g. in the desert

Driving systems and driving safety systems may be malfunctioning or temporarily unavailable. The brake system, steer-

ing and drive system will continue to function normally.

Drive on.

Once the causes of the problem are no longer present, the driving systems and driving safety systems will be available

again and the corresponding symbols will be switched o.

If the display message does not disappear:

Stop the vehicle in accordance with the trac conditions.

Clean all sensor covers from outside (/ page 157).

Restart the vehicle.

370370

Display messages and warning/indicator lamps

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Temporarily Unavailable

Camera View Restricted

*The view of the multifunction camera is restricted. Possible causes:

Dirt on the windshield in the eld of vision of the multifunction camera

Heavy rain, snow or fog

Condensation on the inside of the windshield: in certain weather conditions, condensation can form on the inside

of the windshield during cold times of year in particular.

This condensation on the windshield will be removed automatically within a short time with the aid of a heater. The

restriction is temporary.

Driving systems and driving safety systems may be malfunctioning or temporarily unavailable. The brake system, steer-

ing and drive system will continue to function normally.

Drive on.

Once the causes of the problem are no longer present, the driving systems and driving safety systems will be available

again and the corresponding symbols will be switched o.

If the display message does not disappear:

Stop the vehicle in accordance with the trac conditions.

Clean the windshield, especially in the position of the multifunction camera (/ page 157).

Restart the vehicle.

Display messages and warning/indicator lamps

371

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Malfunction Drive at Max.

50 mph

*The adjustable damping is malfunctioning. The vehicle's handling characteristics may be aected.

Do not drive at speeds greater than 50 mph (80 km/h).

Visit a qualied specialist workshop.

Parking Assist and

PARKTRONIC Inoperative

See Operator's Manual

*VVehicles witehicles with Ah Activctive Pe Pararking Assistking Assist:: Active Parking Assist and Parking Assist PARKTRONIC are malfunctioning.

Vehicles witehicles without Ahout Activctive Pe Pararking Assistking Assist:: Parking Assist PARKTRONIC is malfunctioning.

Stop the vehicle in accordance with the trac conditions and restart the vehicle.

If the display message still appears, consult a qualied specialist workshop.

372372

Display messages and warning/indicator lamps

DrDriving safeiving safety systty systemsems

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Currently Unavailable See

Operator's Manual

ABS and ESP

are temporarily unavailable.

Other driving systems and driving safety systems (e.g. BAS) may also be temporarily unavailable.

The brake system will continue to operate normally. Braking distance may increase in an emergency braking situation.

WARNINGARNING Risk of skidding if ABS and ESP

are malfunctioning

The wheels may lock during braking and ESP

does not perform any vehicle stabilization.

The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-

tion, other driving safety systems are switched o.

Drive carefully on a suitable stretch of road, making slight steering movements at a speed above 19 mph

(30 km/h).

If the display message does not disappear, consult a qualied specialist workshop immediately. Drive care-

fully.

Display messages and warning/indicator lamps

373

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Inoperative See Operator's

Manual

ABS and ESP

are malfunctioning.

Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.

The brake system will continue to operate normally. Braking distance may increase in an emergency braking situation.

WARNINGARNING Risk of skidding if ABS and ESP

are malfunctioning

The wheels may block during braking and ESP

does not perform any vehicle stabilization.

The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-

tion, other driving safety systems are switched o.

Drive on carefully.

Have ABS and ESP

checked immediately at a qualied specialist workshop.

Currently Unavailable See

Operator's Manual

ESP

is temporarily unavailable.

Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.

WARNINGARNING Risk of skidding if ESP is malfunctioning

If ESP

is malfunctioning, ESP

cannot carry out vehicle stabilization. In addition, other driving safety systems are

switched o.

Drive carefully on a suitable stretch of road, making slight steering movements at a speed above 19 mph

(30 km/h).

374374

Display messages and warning/indicator lamps

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

If the display message does not disappear, consult a qualied specialist workshop immediately. Drive care-

fully.

Inoperative See Operator's

Manual

ESP

is malfunctioning.

Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.

The brake system will continue to operate normally. Braking distance may increase in an emergency braking situation.

WARNINGARNING Risk of skidding if ESP

is malfunctioning

If ESP

is malfunctioning, ESP

cannot carry out vehicle stabilization. In addition, other driving safety systems are

switched o.

Drive on carefully.

Have ESP

checked at a qualied specialist workshop.

Display messages and warning/indicator lamps

375

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Inoperative See Operator's

Manual

EBD, ABS and ESP

are malfunctioning.

Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.

WARNINGARNING Risk of skidding if EBD, ABS and ESP

are malfunctioning

The wheels may block during braking and ESP

does not perform any vehicle stabilization.

The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-

tion, other driving safety systems are switched o.

Drive on carefully.

Have the brake system checked immediately at a qualied specialist workshop.

Active Brake Assist Func-

tions Currently Limited See

Operator's Manual

*VVehicles witehicles with th the Drhe Driving Assistiving Assistance Pance Packackagage:e: Active Brake Assist with cross-trac function, Evasive Steering Assist or

PRE‑SAFE

PLUS are temporarily unavailable or only partially available.

Vehicles witehicles without thout the Drhe Driving Assistiving Assistance Pance Packackagage:e: Active Brake Assist is temporarily unavailable.

Drive on.

As soon as the ambient conditions are within the system limits, the system will become available again.

If the display message does not disappear, stop the vehicle in accordance with the trac conditions and restart

the vehicle.

376376

Display messages and warning/indicator lamps

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Active Brake Assist Func-

tions Limited See Opera-

tor's Manual

*For vehicles with the Driving Assistance Package, the following functions may be temporarily unavailable or only parti-

ally available:

Active Brake Assist with cross-trac function

Evasive Steering Assist

PRE‑SAFE

PLUS

Vehicles witehicles without thout the Drhe Driving Assistiving Assistance Pance Packackagage:e: Active Brake Assist is temporarily unavailable or only partially availa-

ble.

Drive on

Stop the vehicle in accordance with the trac conditions and restart the vehicle.

If the display message does not disappear: consult a qualied specialist workshop.

MerMercedes-Benz emergcedes-Benz emergency call systency call systemem

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Inoperative

*The Mercedes-Benz emergency call system is malfunctioning. The Mercedes me connect system is also malfunction-

ing.

Consult a qualied specialist workshop.

Display messages and warning/indicator lamps

377

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Device Detected at Diag-

nostics Connection See

Operator's Manual

*The vehicle functions for malfunction detection are restricted.

At least one of the main functions of the Mercedes me connect system is malfunctioning.

Observe the notes on the diagnostics connection (/ page 27).

Consult a qualied specialist workshop.

BattBatteryery

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

12 V Battery See Opera-

tor's Manual

*The vehicle is o and the condition of charge of the 12 V battery is too low.

Switch o electrical consumers that are not required.

Drive for 30–60 minutes.

Charge the 12 V battery when stationary (/ page 284).

*If the message appears while the vehicle is switched on, this indicates an on-board electrical system malfunction.

Visit a qualied specialist workshop.

See Operator's Manual

*The 12 V battery is not being charged.

378378

Display messages and warning/indicator lamps

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NOTETE Possible engine damage if you continue driving

Do not continue driving under any circumstances.

Consult a qualied specialist workshop.

Stop immediately in accordance with the trac conditions and switch o the vehicle.

Consult a qualied specialist workshop.

Stop Vehicle See Opera-

tor's Manual

*The 12 V battery is no longer being charged and the condition of charge is too low.

NOOTETE Possible engine damage if you continue driving

Do not continue driving under any circumstances.

Consult a qualied specialist workshop.

Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.

Switch o the vehicle.

Consult a qualied specialist workshop.

Display messages and warning/indicator lamps

379

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Stop Vehicle Leave Engine

Running

*The 12 V battery charge level is too low.

Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.

Leave the vehicle running

If the display message disappears: drive on.

If the display message does not disappear: consult a qualied specialist workshop.

TTirire pre pressuressure monite monitoror

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Tire Press. Monitor Cur-

rently Unavailable

*There is interference from a powerful radio signal source As a result, no signals from the tire pressure sensors are

being received. The tire pressure monitoring system is temporarily unavailable.

The tire pressure monitoring system will restart automatically as soon as the cause has been rectied.

Drive on.

Tire Press. Monitor Inopera-

tive

*The tire pressure monitoring system is malfunctioning.

WARNINGARNING There is a risk of an accident if the tire pressure monitoring system is malfunctioning

The tire pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tires.

Tires with insucient tire pressure may impair the driving characteristics as well as steering and braking.

Have the tire pressure monitoring system checked at a qualied specialist workshop.

380380

Display messages and warning/indicator lamps

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Tire Pressure Monitor Inop-

erative No Wheel Sensors

*The wheels installed do not have suitable tire pressure sensors. The tire pressure monitoring system is deactivated.

Install wheels with suitable tire pressure sensors.

Wheel Sensor(s) Missing

*There is no signal from the tire pressure sensor of one or more wheels. No pressure value is displayed for the aected

tire.

Have the faulty tire pressure sensor replaced at a qualied specialist workshop.

Check Tires

*The tire pressure in one or more tires has dropped signicantly.

The wheel position is displayed. A warning tone will also sound.

WARNINGARNING Risk of an accident due to insucient tire pressure

The tires can burst.

The tires can wear excessively and/or unevenly.

The driving characteristics as well as the steering and braking may be greatly impaired.

You could then lose control of the vehicle.

Observe the recommended tire pressures.

Adjust the tire pressure if necessary.

Stop the vehicle in accordance with the trac conditions.

Check the tire pressure (/ page 295) and the tires.

Display messages and warning/indicator lamps

381

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Please Correct Tire Pres-

sure

*The tire pressure is too low in at least one of the tires, or the dierence in tire pressure between the individual wheels

is too great.

Check the tire pressure and add air, if necessary.

When the tire pressure is correct, restart the tire pressure monitor (/ page 300).

Warning Tire Malfunction

*The tire pressure in one or more tires has dropped suddenly. The wheel position will be displayed.

WARNINGARNING Risk of an accident from driving with a at tire

The tires can overheat and be damaged.

The driving characteristics as well as the steering and braking characteristics may be greatly impaired.

You could then lose control of the vehicle.

Do not drive with a at tire.

Do not exceed the maximum permissible driving distance in emergency mode and the maximum permissible

speed with a at MOExtended tire.

Observe the notes on at tires.

Notes in the event of a at tire (/ page 275).

Stop the vehicle in accordance with the trac conditions.

Check the tires.

382382

Display messages and warning/indicator lamps

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Tires Overheated

*At least one tire is overheating. The aected tires are displayed in red. At temperatures close to the limit value, the

tires are displayed in yellow.

WARNINGARNING Risk of an accident from driving with overheated tires

Overheated tires can burst.

Reduce speed so that the tires cool down.

Decrease Speed

*At least one tire is overheating. The aected tires are displayed in red. At temperatures close to the limit value, the

tires are displayed in yellow.

WARNINGARNING Risk of an accident from driving with overheated tires

Overheated tires can burst.

Reduce speed so that the tires cool down.

TTirire pre pressuressure loss we loss wararning systning systemem

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Check Tire Pressure Soon

*Canada only:

The tire pressure loss warning system has detected a signicant loss of pressure.

Display messages and warning/indicator lamps

383

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

WARNINGARNING Risk of an accident due to insucient tire pressure

The tires can burst.

The tires can wear excessively and/or unevenly.

The driving characteristics as well as the steering and braking may be greatly impaired.

You could then lose control of the vehicle.

Observe the recommended tire pressures.

Adjust the tire pressure if necessary.

Stop the vehicle in accordance with the trac conditions.

Check the tire pressure (/ page 295) and the tires.

When the tire pressure is correct, restart the tire pressure loss warning system (/ page 300).

Check Tire Pressure Then

Restart Run Flat Indicator

*Canada only:

The tire pressure loss warning system generated a display message and has not been restarted since.

When the tire pressure is correct, restart the tire pressure loss warning system (/ page 300).

Run Flat Indicator Inopera-

tive

*Canada only:

The tire pressure loss warning system is malfunctioning.

Consult a qualied specialist workshop.

384384

Display messages and warning/indicator lamps

Engine oilEngine oil

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Check Engine Oil Level

(Add 1 quart)

*The engine oil level has dropped to the minimum level.

NOOTETE Engine damage caused by driving with insucient engine oil

Avoid long journeys with insucient engine oil.

When next refueling, add 1.1 US qt (1 l) of engine oil (/ page 263).

Notes on engine oil (/ page 333).

Engine Oil Reduce Oil Level

*The engine oil level is too high.

NOOTETE Engine damage caused by driving with excess engine oil

Avoid long journeys with excess engine oil.

Consult a qualied specialist workshop immediately and have the engine oil level reduced.

Engine Oil Level Low Stop

Vehicle Turn Engine Off

*The engine oil level is too low.

NOOTETE Engine damage caused by driving with insucient engine oil

Avoid long journeys with insucient engine oil.

Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.

Display messages and warning/indicator lamps

385

DisplaDisplay messagy messages Pes Possible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Switch o the vehicle.

Add 1.1 US qt (1 l) of engine oil (/ page 263).

Check the engine oil level.

Notes on engine oil (/ page 333).

Engine Oil Pressure Stop

Switch Off Engine

*The oil pressure is too low.

NOOTETE Engine damage caused by driving with insucient oil pressure

Avoid driving with insucient oil pressure.

Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.

Switch o the vehicle.

Consult a qualied specialist workshop.

Engine Oil Level Cannot Be

Measured

*The electrical connection to the oil level sensor has been interrupted or the oil level sensor is faulty.

Consult a qualied specialist workshop.

386386

Display messages and warning/indicator lamps

WWararning and indicatning and indicator lamor lampsps

OvOverervieview of indicatw of indicator and wor and wararning lamning lampsps

Some systems will perform a self-test when the

vehicle is switched on. Some indicator and warn-

ing lamps may briey light up or ash. This behav-

ior is non-critical. These indicator and warning

lamps indicate a malfunction only if they light up

or ashaer the vehicle has been started or dur-

ing a journey.

Sttandarandard insd instrtrument displayument display

WWidescridescreen coceen cockpit inskpit instrtrument displayument display

Depending on the display setting, the positions of

the indicator lamps on the instrument display may

dier from the example shown.

Indicat

Indicator and wor and wararning lamning lamps:ps:

Restraint system (/ page 388)

Seat belt (/ page 388)

Power steering (/ page 389)

Vehicles witehicles with a widescrh a widescreen coceen cockpitkpit::

coolant temperature (/ page 390)

;

Engine diagnostics (/ page 390)

Electrical malfunction (/ page 390)

Reserve fuel with fuel ller ap loca-

tion indicator (/ page 390)

USA: electric parking brake (red)

(/ page 394)

Canada: electric parking brake (red)

(/ page 394)

Electric parking brake (yellow)

(/ page 394)

USA: Recuperative Brake System

(/ page 394)

Canada: brakes (yellow)

(/ page 394)

USA: brakes (red) (/ page 394)

Canada: brakes (red) (/ page 394)

Distance warning (/ page 397)

Active Brake Assist (/ page 397)

ABS (/ page 398)

ESP

(/ page 398)

ESP

OFF (/ page 398)

Display messages and warning/indicator lamps

387

Tire pressure monitoring system

(/ page 400)

Parking lights (/ page 114)

Low beam (/ page 114)

High beam (/ page 115)

Turn signal lights (/ page 115)

Rear fog light (/ page 114)

Occupant safeOccupant safetyty

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Restraint system warning

lamp

*The restraint system red warning lamp is lit while the vehicle is on.

The restraint system is malfunctioning (/ page 38).

WARNINGARNING Risk of injury due to malfunctions in the restraint system

Components in the restraint system may be activated unintentionally or not deploy as planned in an accident.

Have the restraint system checked and repaired immediately at a qualied specialist workshop.

Drive on carefully.

Note the messages on the instrument display.

Consult a qualied specialist workshop immediately.

388388

Display messages and warning/indicator lamps

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Seat belt warning lamp

ashes

*The red seat belt warning lamp ashes and an intermittent warning tone sounds.

The driver or front passenger has not fastened his/her seat belt while the vehicle is in motion.

Fasten your seat belt (/ page 42).

There are objects on the front passenger seat.

Remove the objects from the front passenger seat.

Seat belt warning lamp

lights up

*The red seat belt warning lamp lights up for six seconds once the vehicle has started.

In addition, an intermittent warning tone may sound.

The red seat belt warning lamp reminds the driver and front passenger to fasten their seat belts.

Fasten your seat belt (/ page 42).

If you have placed objects on the front passenger seat, the red seat belt warning lamp may remain lit.

VVehicleehicle

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Power steering warning

lamp (red)

*The red power steering warning lamp is lit while the vehicle is running.

The power assistance or the steering itself is malfunctioning.

WARNINGARNING Risk of accident if steering capability is impaired

If the steering does not function as intended, the vehicle's operating safety is jeopardized.

Display messages and warning/indicator lamps

389

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions. Do not

continue driving under any circumstances.

Consult a qualied specialist workshop.

Note the messages on the instrument display.

EngineEngine

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Coolant warning lamp (red)

*The red coolant warning lamp is lit while the engine is running.

Possible causes:

The temperature sensor is malfunctioning

The coolant level is too low

The air supply to the radiator is obstructed

The radiator fan is faulty

The engine coolant pump is faulty

If there is an additional warning tone, the coolant temperature has exceeded the maximum permissible temperature.

390390

Display messages and warning/indicator lamps

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

WARNINGARNING Risk of burns when opening the hood

If you open the hood in the event of an overheated engine or re in the engine compartment, the following situations

may occur:

You may come into contact with hot gases.

You may come into contact with other escaping hot operating uids.

Before opening the hood, allow the engine to cool down.

In the event of a re in the engine compartment, keep the hood closed and call the re service.

Stop immediately in accordance with the trac conditions and switch o the vehicle. Do not continue driving.

Note the messages on the instrument display.

If t

If the coolant the coolant tememperperaturature displae display is at ty is at the lowhe lower end of ter end of the the tememperperaturature scale:e scale:

Consult a qualied specialist workshop.

If t

If the coolant the coolant tememperperaturature displae display is at ty is at the upper end of the upper end of the the tememperperaturature scale:e scale:

Exit the vehicle and keep a safe distance from it until the engine has cooled down.

Check the coolant level (/ page 264).

Make sure that the air supply to the radiator is not obstructed.

Avoiding high loads on the engine, drive to the nearest qualied specialist workshop. In doing so, ensure that the

coolant temperature display remains below the red area.

Display messages and warning/indicator lamps

391

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Coolant warning lamp (yel-

low)

*The yellow coolant warning lamp is lit while the engine is running.

Possible causes:

The temperature sensor is malfunctioning

The charge air, transmission oil or battery cooling is faulty

The radiator shutters are blocked or defective

Avoiding high loads on the engine, drive to the nearest qualied specialist workshop.

;

Engine diagnosis warning

lamp

*The yellow Check Engine warning lamp is lit while the engine is running.

A malfunction has occurred in the engine, the exhaust system or the fuel system.

The emission limit values may be exceeded and the engine may be in emergency mode.

In some states, legal requirements stipulate that you must immediately consult a qualied specialist workshop as soon

as the yellow Check Engine warning lamp lights up.

Have the vehicle checked as soon as possible at a qualied specialist workshop.

Electrical malfunction warn-

ing lamp

*The red electrical malfunction warning lamp is lit.

There is a malfunction in the electrics.

Note the messages on the instrument display.

392392

Display messages and warning/indicator lamps

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Fuel reserve warning lamp

ashes

*The yellow fuel reserve warning lamp lights up while you are driving.

There has been pressure loss in the fuel system. The fuel ller cap is not closed correctly or the fuel system is leaking.

Close the fuel ller cap.

If the fuel ller cap has already been closed correctly:

Consult a qualied specialist workshop.

Fuel reserve warning lamp

lights up

*The yellow fuel reserve warning lamp lights up while the engine is running.

The fuel supply has dropped into the reserve range.

Refuel.

Display messages and warning/indicator lamps

393

BrBrakakeses

WWararning/indicatning/indicator lamp Por lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Electric parking brake indi-

cator lamp (red) (USA only)

Electric parking brake indi-

cator lamp (red) (Canada

only)

The electric parking brake

(yellow) indicator lamp

*The red electric parking brake indicator lamp ashes or is lit.

The yellow electric parking brake indicator lamp is also lit in the event of a malfunction.

Note the messages on the instrument display.

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Display messages and warning/indicator lamps

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Recuperative Brake System

warning lamp (USA only)

Brakes warning lamp (yel-

low) (Canada only)

*The yellow é warning lamp (USA only) or the yellow J brake warning lamp (Canada only) is lit while the vehicle is

running.

WARNINGARNING Risk of an accident due to a brake system malfunction

If the brake system is malfunctioning, braking characteristics may be impaired.

Drive on carefully.

Have the brake system checked immediately at a qualied specialist workshop.

Adjust your speed and drive on carefully, leaving a suitable distance to the vehicle in front.

If the instrument display shows a display message, observe it.

Consult a qualied specialist workshop.

Display messages and warning/indicator lamps

395

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Brake warning lamp (USA

only)

Brake system warning lamp

(Canada only)

*The red brake warning lamp is lit while the vehicle is running.

Possible causes:

The brake force boosting is malfunctioning and the braking characteristics may be aected.

There is insucient brake uid in the brake uid reservoir.

Note the messages on the instrument display.

WARNINGARNING Risk of accident and injury if brake force boosting is malfunctioning

If brake force boosting is malfunctioning, increased brake pedal force may be necessary for braking. The braking

characteristics may be impaired. The braking distance can increase in emergency braking situations.

Stop in a safe location immediately. Do not continue driving.

Consult a qualied specialist workshop.

WARNINGARNING Risk of an accident due to low brake uid level

If the brake uid level is too low, the braking eect and the braking characteristics may be impaired.

Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions. Do not

continue driving under any circumstances.

Consult a qualied specialist workshop.

Do not add brake uid.

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Display messages and warning/indicator lamps

DrDriving systiving systemsems

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Warning lamp for distance

warning function

*The red distance warning lamp lights up while the vehicle is in motion.

The distance to the vehicle in front is too small for the speed selected.

If there is an additional warning tone, you are approaching an obstacle at too high a speed.

Be prepared to brake immediately.

Increase the distance.

Function of Active Brake Assist (/ page 177).

Active Brake Assist warning

lamp

*The Active Brake Assist warning lamp is on.

Due to dirty sensors or a malfunction, the system is not available or the range of functions is restricted.

Note the messages on the instrument display.

Active Brake Assist warning

lamp

*The Active Brake Assist warning lamp is on.

The system is switched o or the range of functions has been automatically restricted.

This may be the case if the driver is not wearing a seat belt or another driving system has been activated.

Observe the notes on Active Brake Assist (/ page 177).

Display messages and warning/indicator lamps

397

DrDriving safeiving safety systty systemsems

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

ABS warning lamp

*The yellow ABS warning lamp is lit while the vehicle is running.

ABS is malfunctioning.

If an additional warning tone sounds, EBD is malfunctioning.

Other driving systems and driving safety systems may also be malfunctioning.

Note the messages on the instrument display.

WARNINGARNING There is a risk of skidding if EBD or ABS is malfunctioning

The wheels may lock during braking.

The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addition,

other driving safety systems are switched o.

Drive on carefully.

Have the brake system checked immediately at a qualied specialist workshop.

ESP

warning lamp ashes

The yellow ESP

warning lamp ashes while the vehicle is in motion.

One or more wheels have reached their grip limit (/ page 159).

Adapt your driving style to suit the road and weather conditions.

398398

Display messages and warning/indicator lamps

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

ESP

warning lamp lights up

The yellow ESP

warning lamp is lit while the vehicle is running.

ESP

is malfunctioning.

Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.

Note the messages on the instrument display.

WARNINGARNING Risk of skidding if ESP

is malfunctioning

If ESP

is malfunctioning, ESP

cannot carry out vehicle stabilization. In addition, other driving safety systems are

switched o.

Drive on carefully.

Have ESP

checked at a qualied specialist workshop.

ESP

OFF warning lamp

The yellow ESP

OFF warning lamp is lit while the vehicle is running.

ESP

is deactivated.

Other driving systems and driving safety systems may also be inoperative.

WARNINGARNING Risk of skidding when driving with ESP

deactivated

ESP

does not act to stabilize the vehicle. The availability of further driving safety systems is also limited.

Drive on carefully.

Deactivate ESP

only for as long as the situation requires.

Display messages and warning/indicator lamps

399

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

If ESP

cannot be activated, ESP

is malfunctioning.

Have ESP

checked immediately at a qualied specialist workshop.

Observe the notes on deactivating ESP

(/ page 159).

TTirire pre pressuressure monite monitoror

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Tire pressure monitoring

system warning lamp ashes

*The yellow tire pressure monitor warning lamp (pressure loss/malfunction) ashes for approximately one minute and

then remains lit.

The tire pressure monitor is malfunctioning.

WARNINGARNING There is a risk of an accident if the tire pressure monitoring system is malfunctioning

The tire pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tires.

Tires with insucient tire pressure may impair the driving characteristics as well as steering and braking.

Have the tire pressure monitoring system checked at a qualied specialist workshop.

400400

Display messages and warning/indicator lamps

WWararning/indicatning/indicator lampPor lampPossible causes/conseqossible causes/consequences anduences and MM SolutionsSolutions

Tire pressure monitoring

system warning lamp lights

*The yellow tire pressure monitoring system warning lamp (pressure loss/malfunction) is lit.

The tire pressure monitoring system has detected tire pressure loss in at least one of the tires.

WARNINGARNING Risk of an accident due to insucient tire pressure

The tires can burst.

The tires can wear excessively and/or unevenly.

The driving characteristics as well as the steering and braking may be greatly impaired.

You could then lose control of the vehicle.

Observe the recommended tire pressures.

Adjust the tire pressure if necessary.

Stop the vehicle in accordance with the trac conditions.

Check the tire pressure and the tires.

Display messages and warning/indicator lamps

401

Display messages and warning/indicator lamps for Your Mercedes CLA 4 Door Second Generation (2019-2024)

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