Get On-board computer and displays -> Display messages Guide for Mercedes GLE SUV First Generation (2016-2019)

Display messages

258

This function is only available if you have stored

at least two laps and have stopped the RACE-

TIMER.

X Press the = or ; button on the steering

wheel to select the AMG menu.

On-board computer and displays

X Press the 9 button repeatedly until the lap

evaluation is shown.

Each lap is shown in a separate submenu. The

fastest lap is indicated by flashing symbol :.

X Press the 9 or : button to select a dif-

ferent lap evaluation.

Display messages

Introduction

General notes

Display messages appear in the multifunction display.

Display messages with graphic symbols are simplified in the Owner's Manual and may differ from

the symbols in the multifunction display.

Please respond in accordance with the display messages and follow the additional notes in this

Owner's Manual.

Certain display messages are accompanied by an audible warning tone or a continuous tone.

When you stop and park the vehicle, please observe the notes on:

R HOLD function ( Y page 193)

R Parking ( Y page 166)

Hiding display messages

X Press the a or % button on the steering wheel.

The multifunction display fades the display message out.

High-priority display messages are shown by the multifunction display in red. Some high-priority

display messages cannot be hidden.

The multifunction display shows these messages continuously until the causes for the messages

have been remedied.

Message memory

The on-board computer saves certain display messages in the message memory. You can call up

the display messages:

X Press = or ; on the steering wheel to select the Serv. menu.

If there are display messages, the multifunction display shows 2 messages , for example.

X Press the 9 or : button to select the entry, e.g. 2 messages .

X Press a to confirm.

X Press the 9 or : button to scroll through the display messages.

When the ignition is switched off, all display messages are deleted apart from some high-priority

display messages. Once the causes of the high-priority display messages have been rectified, these

display messages are deleted as well.

Display messages

259

Safety systems

Display messages

Possible causes/consequences and M Solutions

ABS (Anti-lock Braking System) and ESP ® (Electronic Stability Pro-

On-board computer and displays

!÷

gram) are temporarily unavailable.

currently unavaila‐ Other driving and driving safety systems may also be malfunctioning.

ble See Owner's Man‐

In addition, the ÷, å and ! warning lamps light up on the

ual

instrument cluster.

Possible causes:

R self-diagnosis is not yet complete

R the on-board voltage may be insufficient

G WARNING

The brake system continues to function normally, but without the

functions listed above. The wheels could therefore lock if you brake

hard, for example.

The steerability and braking characteristics may be severely affected.

The braking distance may increase in an emergency braking situation.

If ESP ® is not operational, ESP ® is unable to stabilise the vehicle.

There is an increased risk of skidding and/or accident.

X Carefully drive on a suitable stretch of road, making slight steering

movements at a speed above 20 km/h.

If the display message disappears, the functions mentioned above

are available again.

If the multifunction display still shows the display message:

X Drive on carefully.

X Consult a qualified specialist workshop immediately.

ABS and ESP ® are malfunctioning.

!÷

Other driving and driving safety systems may also be malfunctioning.

inoperative See Own‐

addition, the J, ÷, å and ! warning lamps light up on

er's Man.

the instrument cluster.

G WARNING

The brake system continues to function normally, but without the

functions listed above. The wheels could therefore lock if you brake

hard, for example.

The steerability and braking characteristics may be severely affected.

The braking distance may increase in an emergency braking situation.

If ESP ® is not operational, ESP ® is unable to stabilise the vehicle.

There is an increased risk of skidding and/or accident.

X Drive on carefully.

X Consult a qualified specialist workshop immediately.

Display messages

260

Display messages

Possible causes/consequences and M Solutions

ESP ® is temporarily unavailable.

Other driving and driving safety systems may also be malfunctioning.

currently unavaila‐

On-board computer and displays

ble See Owner's Man‐ In addition, the ÷ and å warning lamps light up on the instru-

ment cluster.

ual

The self-diagnosis function, for example, may not be complete.

ATTENTION ASSIST is deactivated.

G WARNING

The brake system continues to function normally, but without the

functions listed above. The wheels could therefore lock if you brake

hard, for example.

The braking distance may thus increase in an emergency braking sit-

uation.

If ESP ® is not operational, ESP ® is unable to stabilise the vehicle.

There is an increased risk of skidding and/or accident.

X Carefully drive on a suitable stretch of road, making slight steering

movements at a speed above 20 km/h.

If the display message disappears, the functions mentioned above

are available again.

If the multifunction display still shows the display message:

X Drive on carefully.

X Consult a qualified specialist workshop immediately.

ESP ® is malfunctioning.

Other driving and driving safety systems may also be malfunctioning.

inoperative See Own‐

In addition, the ÷ and å warning lamps light up on the instru-

er's Man.

ment cluster.

G WARNING

The brake system continues to function normally, but without the

functions listed above. The wheels could therefore lock if you brake

hard, for example.

The braking distance may thus increase in an emergency braking sit-

uation.

If ESP ® is not operational, ESP ® is unable to stabilise the vehicle.

There is an increased risk of skidding and/or accident.

X Drive on carefully.

X Consult a qualified specialist workshop immediately.

Display messages

261

Display messages

Possible causes/consequences and M Solutions

EBD (electronic brake force distribution), ABS and ESP ® are faulty.

T !

Other driving and driving safety systems may also be malfunctioning.

On-board computer and displays

In addition, the ÷, å and ! warning lamps light up on the

inoperative See Own‐ instrument cluster and a warning tone sounds.

er's Man.

G WARNING

The brake system continues to function normally, but without the

functions listed above. The wheels could therefore lock if you brake

hard, for example.

The steerability and braking characteristics may be severely affected.

The braking distance may increase in an emergency braking situation.

If ESP ® is not operational, ESP ® is unable to stabilise the vehicle.

There is an increased risk of skidding and/or accident.

X Drive on carefully.

X Consult a qualified specialist workshop immediately.

Red indicator lamp ! lights up.

You attempted to release the electric parking brake while the ignition

Turn on the igni‐

was switched off.

tion to release the

X Key: insert the key into the ignition lock and turn to position 1.

parking brake

X KEYLESS-GO: switch on the ignition.

Red indicator lamp ! flashes and a warning tone sounds. A con-

dition for automatic release of the electric parking brake is not fulfilled

Release parking

( Y page 167).

brake

You are driving with the electric parking brake applied.

X Release the electric parking brake manually.

Red indicator lamp ! flashes and a warning tone sounds.

You are initiating emergency braking using the electric parking brake

( Y page 167).

The yellow ! warning lamp lights up.

The electric parking brake is malfunctioning.

Parking brake See

To apply:

Owner's Manual

X Switch the ignition off.

X Press the electric parking brake handle for at least ten seconds.

X Shift the transmission to position j .

X Consult a qualified specialist workshop.

Display messages

262

Display messages

Possible causes/consequences and M Solutions

The yellow ! warning lamp and the red ! indicator lamp are lit.

The electric parking brake is malfunctioning.

On-board computer and displays

To release:

X Switch the ignition off and then on again.

X Release the electric parking brake manually.

X Release the electric parking brake automatically ( Y page 167).

If the electric parking brake still cannot be released:

X Do not drive on.

X Consult a qualified specialist workshop.

The red ! indicator lamp flashes and the yellow ! warning lamp

is lit.

The electric parking brake is malfunctioning.

To release:

X Switch the ignition off and then on again.

X Release the electric parking brake manually.

To apply:

X Switch the ignition off and then on again.

X Apply the electric parking brake manually.

If the red ! indicator lamp continues to flash:

X Do not drive on.

X Secure the vehicle against rolling away ( Y page 376).

X Shift the transmission to position j .

X Turn the front wheels towards the kerb.

X Consult a qualified specialist workshop.

The yellow ! warning lamp lights up. The red ! indicator lamp

flashes for about ten seconds after the electric parking brake has been

applied or released. It then goes out or remains lit.

The electric parking brake is malfunctioning.

X Switch the ignition off and then on again.

X Apply the electric parking brake.

If you cannot apply the electric parking brake:

X Shift the transmission to position j .

X Consult a qualified specialist workshop.

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

X Release the electric parking brake automatically ( Y page 167).

If the electric parking brake still cannot be released:

X Consult a qualified specialist workshop.

Display messages

263

Display messages

Possible causes/consequences and M Solutions

The yellow ! warning lamp lights up. If you manually apply or

release the electric parking brake, the red ! indicator lamp

On-board computer and displays

flashes.

The electric parking brake is malfunctioning. The electric parking

brake cannot be applied manually.

X Shift the transmission to position j .

X Consult a qualified specialist workshop.

The yellow ! warning lamp lights up. The red ! indicator lamp

flashes for about ten seconds after the electric parking brake has been

Parking brake inop‐

applied or released. It then goes out or remains lit.

erative

The electric parking brake is malfunctioning, e.g. because of over-

voltage or undervoltage.

X Rectify the cause of the overvoltage or undervoltage, e.g. by charg-

ing the battery or restarting the engine.

X Apply or release the electric parking brake.

If the electric parking brake still cannot be applied or released:

X Switch the ignition off and then on again.

X Apply or release the electric parking brake.

If the electric parking brake still cannot be released:

X Consult a qualified specialist workshop.

If the electric parking brake still cannot be applied:

X Consult a qualified specialist workshop.

The yellow ! warning lamp lights up and the red ! indicator

lamp flashes.

The electric parking brake cannot be applied manually.

X Shift the transmission to position j .

X Consult a qualified specialist workshop.

There is insufficient brake fluid in the brake fluid reservoir. In addition,

the J warning lamp on the instrument cluster lights up and a

Check brake fluid

warning tone sounds.

level

G WARNING

Braking efficiency may be impaired.

There is a risk of an accident.

X Stop the vehicle safely as soon as possible, paying attention to road

and traffic conditions. Do not drive on.

X Secure the vehicle against rolling away ( Y page 166).

X Consult a qualified specialist workshop.

X Do not top up the brake fluid. This does not correct the fault.

The brake pads/linings have reached their wear limit.

X Consult a qualified specialist workshop.

Check brake pad wear

Display messages

264

Display messages

Possible causes/consequences and M Solutions

Vehicles with Audio 20 multimedia system:

One or more main features of the Mercedes-Benz Contact system is/

Inoperative

On-board computer and displays

are malfunctioning.

X Consult a qualified specialist workshop.

Vehicles with COMAND Online multimedia system:

One or more main functions of the Mercedes me connect system is/

Inoperative

are malfunctioning.

X Consult a qualified specialist workshop.

Active Brake Assist

Active Brake Assist with cross-traffic function is temporarily inopera-

Functions currently

tive.

limited See Owner's

Possible causes:

Manual

R the radar sensor system is temporarily inoperative, e.g. due to elec-

tromagnetic radiation emitted by nearby TV or radio stations or

other sources of electromagnetic radiation

R the system is outside the operating temperature range

R the on-board voltage is too low

Once the causes listed above no longer apply, the display message

disappears.

Active Brake Assist with cross-traffic function or PRE‑SAFE ® PLUS is

functional again.

If the display message does not disappear:

X Stop the vehicle, paying attention to road and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Restart the engine.

Active Brake Assist

Active Brake Assist is unavailable due to a malfunction. Adaptive

Functions limited

Brake Assist may also have failed.

See Owner's Manual

X Consult a qualified specialist workshop immediately.

PRE-SAFE inopera‐

Important functions of PRE-SAFE ® have failed. All other vehicle occu-

tive see Owner's

pant safety systems, e.g. airbags, remain available.

Manual

X Consult a qualified specialist workshop immediately.

Display messages

265

Display messages

Possible causes/consequences and M Solutions

Active Brake Assist

Active Brake Assist or PRE‑SAFE ® PLUS is temporarily inoperative.

Functions currently

Possible causes:

limited See Owner's

On-board computer and displays

Manual

R the function is impaired due to heavy rain or snow

R the radar sensor system is temporarily inoperative, e.g. due to elec-

tromagnetic radiation emitted by nearby TV or radio stations or

other sources of electromagnetic radiation

R Mercedes-AMG vehicles: ESP ® is deactivated

R the system is outside the operating temperature range

R the on-board voltage is too low

Once the causes listed above no longer apply, the display message

disappears.

Active Brake Assist or PRE‑SAFE ® PLUS is operative again.

If the display message does not disappear:

X Stop the vehicle, paying attention to road and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Restart the engine.

X Mercedes-AMG vehicles: reactivate ESP ® ( Y page 75).

Act. Brake Assist

Active Brake Assist with cross-traffic function or PRE‑SAFE ® PLUS is

Functions limited

not available due to a fault.

See Owner's Manual

X Consult a qualified specialist workshop immediately.

Display messages

266

Display messages

Possible causes/consequences and M Solutions

Radar sensors dirty

The radar sensor system is malfunctioning.

See Owner's Manual

Possible causes:

On-board computer and displays

R dirt on sensors

R heavy rain or snow

R driving on inter-urban roads without traffic or infrastructure, e.g. in

desert-like areas

At least one driving system or driving safety system is malfunctioning

or is temporarily unavailable:

R PRE-SAFE ® PLUS

R Active Brake Assist

R Active Lane Keeping Assist

R Active Blind Spot Assist

R Distance Pilot DISTRONIC

If the front radar system sensor is dirty, Active Blind Spot Assist will

not perform a course-correcting brake application.

A warning tone also sounds.

Once the cause of the problem is no longer present, the driving and

driving safety systems will be available again. The display message

disappears.

If the display message does not disappear:

X Stop the vehicle, paying attention to road and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Switch off the engine.

X Clean all sensors ( Y page 345).

X Restart the engine.

The display message disappears.

Mercedes-AMG vehicles only:

If this symbol appears on the multifunction display, a seat belt tongue

has been inserted into a rear seat belt buckle.

Further information on the status indicator for the rear seat belts

( Y page 49).

Mercedes-AMG vehicles only:

If this symbol appears on the multifunction display, a seat belt tongue

has not been inserted in a rear seat belt buckle.

G WARNING

A seat belt which is not worn correctly, or which has not been engaged

in the seat belt buckle correctly, cannot provide the intended level of

protection.

This poses an increased risk of injury.

X If necessary, ask the vehicle occupants in the rear to fasten their

seat belts ( Y page 48).

Further information on the status indicator for the rear seat belts

( Y page 49).

Display messages

267

Display messages

Possible causes/consequences and M Solutions

The restraint system is malfunctioning.

The 6 warning lamp also lights up on the instrument cluster.

Restraint sys. mal‐

On-board computer and displays

function Consult

G WARNING

workshop

The airbags or belt tensioners may either be triggered unintentionally

or, in the event of an accident, may not be triggered.

This poses an increased risk of injury.

X Consult a qualified specialist workshop immediately.

Further information on the restraint system ( Y page 44).

The restraint system is malfunctioning at the front on the left or right.

The 6 warning lamp also lights up on the instrument cluster.

Front left malfunc‐

G WARNING

tion Consult work‐

shop or Front right

The airbags or belt tensioners may either be triggered unintentionally

malfunction Consult

or, in the event of an accident, may not be triggered.

workshop

This poses an increased risk of injury.

X Consult a qualified specialist workshop immediately.

The rear left or right restraint system is malfunctioning. The 6

warning lamp also lights up on the instrument cluster.

Rear left malfunc‐

G WARNING

tion Consult work‐

shop or Rear right

The airbags or belt tensioners may either be triggered unintentionally

malfunction Consult

or, in the event of an accident, may not be triggered.

workshop

This poses an increased risk of injury.

X Consult a qualified specialist workshop immediately.

The rear centre restraint system is malfunctioning. The 6 warning

lamp also lights up on the instrument cluster.

Rear centre malfunc‐

G WARNING

tion Consult work‐

shop

The airbags or belt tensioners may either be triggered unintentionally

or, in the event of an accident, may not be triggered.

This poses an increased risk of injury.

X Consult a qualified specialist workshop immediately.

The left-hand or right-hand windowbag is malfunctioning. The 6

warning lamp also lights up on the instrument cluster.

Left windowbag mal‐

G WARNING

function Consult

workshop or Right

The left-hand or right-hand windowbag may either be triggered unin-

windowbag malfunc‐

tentionally or, in the event of an accident, not triggered at all.

tion Consult work‐

This poses an increased risk of injury.

shop

X Consult a qualified specialist workshop immediately.

Display messages

268

Display messages

Possible causes/consequences and M Solutions

Front-passenger

The front-passenger front airbag is disabled during the journey

airbag disabled See

although:

Owner's Manual

On-board computer and displays

R an adult

R a person of the corresponding stature is on the front-passenger seat

If additional forces are applied to the seat, the weight the system

detects may be too low.

G WARNING

The front-passenger front airbag does not deploy during an accident.

This poses an increased risk of injury.

X Stop the vehicle safely as soon as possible, paying attention to road

and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Switch the ignition off.

X Have the vehicle occupant on the front-passenger seat step out of

the vehicle.

X Make sure that the seat is unoccupied, close the front-passenger

door and switch on the ignition.

X Observe the PASSENGER AIR BAG indicator lamps on the centre

console and the multifunction display and check the following:

Seat unoccupied and ignition switched on:

R a self-diagnosis is carried out. The PASSENGER AIR BAG OFF and

PASSENGER AIR BAG ON indicator lamps must light up simulta-

neously for approximately six seconds.

R the PASSENGER AIR BAG OFF indicator lamp must then light up

and remain lit after the self-diagnosis. If the indicator lamp is on,

the automatic front-passenger front airbag deactivation system

has disabled the front-passenger front airbag. ( Y page 52)

R the Front-passenger airbag enabled See Owner's Manual

or Front-passenger airbag disabled See Owner's Manual

display messages must not be shown on the multifunction display

X Wait for a period of at least 60 seconds until the necessary system

checks have been completed.

X Make sure that the display messages do not appear on the multi-

function display.

If these conditions are met, the front-passenger seat can be occupied

again. Whether the PASSENGER AIR BAG OFF or ON indicator lamp

remains lit or goes out depends on how the automatic front-passenger

front airbag deactivation system classifies the vehicle occupant.

If the conditions are not met, the system is not operating correctly.

X Consult a qualified specialist workshop immediately.

Further information on the automatic front-passenger front airbag

deactivation system ( Y page 52).

Display messages

269

Display messages

Possible causes/consequences and M Solutions

Front-passenger

The front-passenger front airbag is enabled during the journey

airbag enabled See

although:

Owner's Manual

On-board computer and displays

R a child, a small adult or an object weighing less than the system

weight threshold is located on the front-passenger seat

R the front-passenger seat is not occupied

The system may detect objects or forces that are placing additional

weight on the seat.

G WARNING

The front-passenger front airbag may deploy unintentionally.

This poses an increased risk of injury.

X Stop the vehicle safely as soon as possible, paying attention to road

and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Switch the ignition off.

X Open the front-passenger door.

X Remove the child and child seat from the front-passenger seat.

X Make sure that no objects are present that are applying additional

weight to the seat.

The system might otherwise detect the additional weight and inter-

pret the vehicle seat occupant's weight as greater than it actually is.

X Make sure that the seat is unoccupied, close the front-passenger

door and switch on the ignition.

X Observe the PASSENGER AIR BAG indicator lamps on the centre

console and the multifunction display and check the following:

Seat unoccupied and ignition switched on:

R a self-diagnosis is carried out. The PASSENGER AIR BAG OFF and

PASSENGER AIR BAG ON indicator lamps must light up simulta-

neously for approximately six seconds.

R the PASSENGER AIR BAG OFF indicator lamp must then light up

and remain lit after the self-diagnosis. If the indicator lamp is on,

the automatic front-passenger front airbag deactivation system

has disabled the front-passenger front airbag. ( Y page 52)

R the Front-passenger airbag enabled See Owner's Manual

or Front-passenger airbag disabled See Owner's Manual

display messages must not be shown on the multifunction display

X Wait for a period of at least 60 seconds until the necessary system

checks have been completed.

X Make sure that the display messages do not appear on the multi-

function display.

If these conditions are met, the front-passenger seat can be occupied

again. Whether the PASSENGER AIR BAG OFF or ON indicator lamp

remains lit or goes out depends on how the automatic front-passenger

front airbag deactivation system classifies the vehicle occupant.

If the conditions are not met, the system is not operating correctly.

X Consult a qualified specialist workshop immediately.

Display messages

270

Display messages

Possible causes/consequences and M Solutions

Further information on the automatic front-passenger front airbag

deactivation system ( Y page 52).

On-board computer and displays

Lights

i Vehicles with LED light bulbs in the light clusters:

the display message for the corresponding lamp only appears when all the LEDs in the lamp have

failed.

Display messages

Possible causes/consequences and M Solutions

The bulb in question is faulty.

X Consult a qualified specialist workshop.

Left dipped beam

(Example)

X Check whether you are permitted to replace the bulb yourself

( Y page 123).

The Intelligent Light System is faulty. The lights remain available with-

out the Intelligent Light System.

Intell. Light Sys‐

X Consult a qualified specialist workshop.

tem inoperative

The exterior lighting is faulty.

X Consult a qualified specialist workshop.

Malfunction See Own‐

er's Manual

Vehicles with trailer tow hitch: a fuse may have blown.

X Stop the vehicle, paying attention to road and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Check the fuses ( Y page 364).

X If necessary, replace the blown fuse. Observe the warning notes as

you do so.

If the multifunction display still shows the display message:

X Consult a qualified specialist workshop.

The exterior lighting is faulty.

X Consult a qualified specialist workshop.

Malfunction See Own‐

er's Manual

The light sensor is faulty.

X Consult a qualified specialist workshop.

AUTO lights inoper‐

ative

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

warning tone also sounds.

Switch off lights

X Turn the light switch to the Ã position.

Display messages

271

Display messages

Possible causes/consequences and M Solutions

You are driving without dipped-beam headlamps.

X Turn the light switch to the L or Ã position.

Switch on headlamps

On-board computer and displays

Adaptive Highbeam

Adaptive Highbeam Assist Plus is deactivated and temporarily inop-

Assist Plus cur‐

erative.

rently unavailable

Possible causes:

See Owner's Manual

R the windscreen is dirty in the camera's field of vision

R visibility is impaired due to heavy rain, snow or fog

X Clean the windscreen.

If the system detects that the camera is fully operational again, the

Adaptive Highbeam Assist Plus available again message is

displayed.

Adaptive Highbeam Assist Plus is operational again.

Adaptive Highbeam

Adaptive Highbeam Assist Plus is faulty.

Assist Plus inoper‐

X Consult a qualified specialist workshop.

ative

Engine

Display messages

Possible causes/consequences and M Solutions

The coolant level is too low.

Top up coolant See

! Avoid making long journeys with too little coolant in the engine

Owner's Manual

cooling system. The engine will otherwise be damaged.

X Top up the coolant, making sure to observe the warning notes

( Y page 340).

If you have to top up the coolant frequently:

X Consult a qualified specialist workshop and have the engine cooling

system checked.

The fan motor is faulty.

X If the coolant temperature is below 120 †, drive on to the nearest

qualified specialist workshop.

X Avoid heavy loads on the engine as you do so, e.g. driving in moun-

tainous terrain and stop-start traffic.

Display messages

272

Display messages

Possible causes/consequences and M Solutions

The coolant is too hot.

A warning tone also sounds.

Coolant Stop vehi‐

On-board computer and displays

cle Switch engine

G WARNING

off

Never drive with an overheated engine. Driving when your engine has

overheated can cause any fluids that may have leaked into the engine

compartment to catch fire.

In addition, steam from an overheated engine can cause serious

burns, which can occur just by opening the bonnet.

There is a risk of injury.

X Stop the vehicle immediately, paying attention to road and traffic

conditions, and switch off the engine.

X Secure the vehicle against rolling away ( Y page 166).

X Wait until the engine has cooled down.

X Make sure that the air supply to the engine radiator is not blocked,

e.g. by frozen slush.

X Do not start the engine again until the display message disappears

and the coolant temperature is below 120 †. The engine may oth-

erwise be damaged.

X Pay attention to the coolant temperature gauge.

If the temperature increases again:

X Consult a qualified specialist workshop immediately.

Under normal operating conditions and with the specified coolant

level, the coolant temperature may rise to 120 †.

The battery is no longer being charged.

A warning tone also sounds.

See Owner's Manual

Possible causes:

R faulty alternator

R torn poly-V-belt

R a malfunction in the electronics

! Do not continue driving. The engine could otherwise overheat.

X Stop the vehicle immediately, paying attention to road and traffic

conditions, and switch off the engine.

X Secure the vehicle against rolling away ( Y page 166).

X Consult a qualified specialist workshop.

Display messages

273

Display messages

Possible causes/consequences and M Solutions

The battery is no longer being charged and the charge status is too

low.

Stop vehicle See

On-board computer and displays

A warning tone also sounds.

Owner's Manual

X Stop the vehicle immediately, paying attention to road and traffic

conditions, and switch off the engine.

X Secure the vehicle against rolling away ( Y page 166).

X Observe the instructions in the # See Owner's Manual display

message.

X Consult a qualified specialist workshop.

The engine oil level has dropped to the minimum level.

A warning tone also sounds.

Check eng. oil lev.

when next refuelling ! Avoid long journeys when there is too little coolant in the cooling

system. Otherwise the engine will be damaged.

X Check the oil level when next refuelling, at the latest ( Y page 338).

X If necessary, top up the engine oil ( Y page 339).

If you have to top up the engine oil frequently:

X Consult a qualified specialist workshop and have the engine

checked.

Information on approved engine oils can be obtained from any quali-

fied specialist workshop or on the internet at

Mercedes-AMG vehicles: the engine oil level is too low.

Add 1 litre engine

! Avoid long journeys when there is too little coolant in the cooling

oil when next refu‐

system. Otherwise the engine will be damaged.

elling

X Check the oil level when next refuelling, at the latest ( Y page 338).

X If necessary, top up the engine oil ( Y page 339).

If you have to top up the engine oil frequently:

X Consult a qualified specialist workshop and have the engine

checked.

Information on approved engine oils can be obtained from any quali-

fied specialist workshop or on the internet at

Mercedes-AMG vehicles: the engine oil level is too low.

There is a risk of engine damage.

Engine oil level

X Stop the vehicle immediately, paying attention to road and traffic

Stop vehicle Switch

conditions, and switch off the engine.

engine off

X Secure the vehicle against rolling away ( Y page 166).

X Check the engine oil level ( Y page 338).

X If necessary, top up the engine oil ( Y page 339).

Display messages

274

Display messages

Possible causes/consequences and M Solutions

The fuel level has dropped into the reserve range.

Operation of the auxiliary heating is deactivated if the fuel level drops

Reserve fuel level

On-board computer and displays

into the reserve range.

X Refuel at the nearest filling station.

There is very little fuel in the fuel tank.

Operation of the auxiliary heating is deactivated.

X You must refuel at the nearest filling station.

Vehicles with a diesel engine: the engine air filter is dirty and must be

replaced.

Replace air cleaner

X Consult a qualified specialist workshop.

Vehicles with a diesel engine: there is water in the fuel filter. The water

must be drained off.

Clean the fuel fil‐

X Consult a qualified specialist workshop.

ter

BlueTEC vehicles:

The AdBlue ® level has fallen below the reserve range. A warning tone

Refill AdBlue See

also sounds.

Owner's Manual

X Have AdBlue ® refilled as soon as possible at a qualified specialist

workshop.

X Add at least 7.5 l of AdBlue ® immediately ( Y page 163).

BlueTEC vehicles:

The AdBlue ® level is only sufficient for the indicated distance. A warn-

Refill AdBlue No

ing tone also sounds.

start in .. km

X Have AdBlue ® refilled as soon as possible at a qualified specialist

workshop.

X Add at least 7.5 l of AdBlue ® immediately ( Y page 163).

BlueTEC vehicles:

The AdBlue ® tank is empty. A warning tone also sounds. You can no

Refill AdBlue Eng.

longer start the engine.

start not possible

X Consult a qualified specialist workshop immediately.

X Add at least 7.5 l of AdBlue ® immediately ( Y page 163).

BlueTEC vehicles:

The AdBlue ® system is malfunctioning. A warning tone also sounds.

Check AdBlue See

Owner's Manual

X Consult a qualified specialist workshop.

Display messages

275

Display messages

Possible causes/consequences and M Solutions

BlueTEC vehicles:

The AdBlue ® system is malfunctioning. A warning tone also sounds.

Eng. start not pos‐

On-board computer and displays

sible in ..km

X Consult a qualified specialist workshop immediately.

BlueTEC vehicles:

The AdBlue ® system is malfunctioning. A warning tone also sounds.

Eng. start not pos‐

You can no longer start the engine.

sible

X Consult a qualified specialist workshop immediately.

Driving systems

Display messages

Possible causes/consequences and M Solutions

Based on certain criteria, ATTENTION ASSIST has detected fatigue or

increasing lapses in concentration on the part of the driver. A warning

Attention Assist:

tone also sounds.

Take a break!

X If necessary, take a break.

During long journeys, take regular breaks in good time so that you get

enough rest.

ATTENTION ASSIST is inoperative.

X Consult a qualified specialist workshop.

Attention Assist

inoperative

You cannot change the vehicle level.

Possible causes:

Please reduce speed

R you are driving too quickly for the selected vehicle level

R you are driving too quickly with a trailer or the trailer tow hitch

socket is being used, e.g. for a rear-mounted cycle rack

X Drive more slowly and then select the desired vehicle level again:

R Vehicles with the Off-Road Engineering package ( Y page 190)

R Vehicles with the AIRMATIC package ( Y page 196)

X Observe the notes on towing a trailer ( Y page 232).

You have selected a higher vehicle level. The compressor first needs

to cool down because of frequent level changes within a short space

Compressor is cool‐

of time.

ing

X Drive in a manner appropriate for the current vehicle level.

X Ensure sufficient ground clearance.

X Allow the compressor to cool down.

When the compressor has cooled down, the display message dis-

appears. The vehicle then continues rising to the selected vehicle

level.

Display messages

276

Display messages

Possible causes/consequences and M Solutions

AIRMATIC is faulty.

X Drive as appropriate for the current vehicle level, but do not exceed

Malfunction

On-board computer and displays

80 km/h.

X Ensure sufficient ground clearance.

X Consult a qualified specialist workshop.

You are exceeding the speed permissible for the selected off-road

level.

Max. speed 20 km/h

In addition, the vehicle level display appears above the display mes-

sage, and a warning tone sounds.

G WARNING

The vehicle could tip and overturn.

There is a risk of an accident.

X Adjust your driving style to the altered handling characteristics.

X Only make slight steering movements and avoid fast steering move-

ments.

X Do not exceed 20 km/h until the vehicle has reached off-road

level 2.

The vehicle is being adjusted to off-road level 3.

In addition, the vehicle level display appears above the display mes-

Raising Max. speed

sage.

20 km/h

The display message refers to the maximum speed permissible

(depending on the model type) for off-road level 3.

X Do not drive at speeds above 20 km/h.

The vehicle is being lowered from off-road level 3 to off-road level 2.

In addition, the vehicle level display appears above the display mes-

Lowering Max.

sage.

speed 20 km/h

The display message refers to the maximum speed permissible

(depending on the model type) for off-road level 3.

X Do not exceed 20 km/h until the vehicle has reached off-road

level 2.

ACTIVE CURVE SYSTEM

The ACTIVE CURVE SYSTEM is faulty. The vehicle's handling charac-

malfunctioning

teristics may be impaired.

X Do not drive at speeds above 80 km/h.

X Consult a qualified specialist workshop.

Display messages

277

Display messages

Possible causes/consequences and M Solutions

ACTIVE CURVE SYSTEM

The ACTIVE CURVE SYSTEM is faulty. The vehicle's handling charac-

malfunctioning see

teristics are severely impaired. A warning tone also sounds.

Owner's Manual

On-board computer and displays

G WARNING

There is a risk of an accident.

X Drive on carefully.

X Adjust your driving style to the altered handling characteristics.

X Avoid sudden acceleration in tight corners and quick steering move-

ments.

X Do not drive at speeds above 80 km/h.

X Consult a qualified specialist workshop immediately.

The differential lock is faulty.

X Do not drive at speeds above 80 km/h.

Different. lock

X Consult a qualified specialist workshop.

sys. Malfunction

The differential lock is too hot and has been disengaged.

X Drive on carefully.

Different. locking

X Allow the differential lock to cool down.

sys. cooling down

The differential lock re-engages as soon as it has cooled down.

Please wait

LOW RANGE Stop

A gearshift process has been cancelled. LOW RANGE is in the neutral

Apply parking brake

position. There is no connection between the engine and the drive

wheels.

X Stop the vehicle safely as soon as possible, paying attention to road

and traffic conditions.

X Apply the electric parking brake. Do not drive on.

X Repeat the gearshift process.

LOW RANGE Malfunc‐

LOW RANGE is malfunctioning.

tion To park, apply

X Do not drive at speeds above 80 km/h.

parking brake

X When parking, safeguard the vehicle against rolling away

( Y page 166).

X Consult a qualified specialist workshop.

LOW RANGE max.

You have exceeded the maximum speed for the gearshift process.

speed 40 km/h

X Drive more slowly.

The gear change is made.

LOW RANGE max.

You have exceeded the maximum speed for the gearshift process.

speed 70 km/h

X Drive more slowly.

The gear change is made.

LOW RANGE Shift to

You have reduced the vehicle speed, but the automatic transmission

position N briefly

is not in position i.

X Briefly shift the automatic transmission to i.

Display messages

278

Display messages

Possible causes/consequences and M Solutions

LOW RANGE Shifting

The gearshift process has been cancelled.

cancelled Please

X Repeat the gearshift process.

reactivate

On-board computer and displays

DSR (Downhill Speed Regulation) is deactivated due to a fault.

X Have DSR checked at a qualified specialist workshop.

inoperative

Traffic Sign Assist Traffic Sign Assist is temporarily inoperative.

currently unavaila‐ Possible causes:

ble See Owner's Man‐

ual

R the windscreen is dirty in the camera's field of vision

R visibility is impaired due to heavy rain, snow or fog

X Clean the windscreen.

If the system detects that the camera is fully operational, the display

message disappears.

Traffic Sign Assist is operational again.

Traffic Sign Assist

Traffic Sign Assist is faulty.

inoperative

X Consult a qualified specialist workshop.

The HOLD function is deactivated. The vehicle has started to skid.

A warning tone also sounds.

off

X Reactivate the HOLD function later ( Y page 193).

Lane Keeping Assist Lane Keeping Assist or Active Lane Keeping Assist is deactivated and

currently unavaila‐ temporarily inoperative.

ble See Owner's Man‐ Possible causes:

ual or Active Lane

Keeping Assist cur‐ R the windscreen is dirty in the camera's field of vision

rently unavailable

R visibility is impaired due to heavy rain, snow or fog

See Owner's Manual

R there have been no lane markings for an extended period

R the lane markings are worn away, dark or covered up, e.g. by dirt or

snow

Once the causes listed above no longer apply, the display message

disappears.

Lane Keeping Assist or Active Lane Keeping Assist is operational

again.

If the display message does not disappear:

X Stop the vehicle, paying attention to road and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Clean the windscreen.

Lane Keeping Assist

Lane Keeping Assist or Active Lane Keeping Assist is faulty.

inoperative or

X Consult a qualified specialist workshop.

Active Lane Keeping

Assist inoperative

Display messages

279

Display messages

Possible causes/consequences and M Solutions

Blind Spot Assist

Blind Spot Assist or Active Blind Spot Assist is temporarily inoperative.

currently unavaila‐ Possible causes:

ble See Owner's Man‐

On-board computer and displays

ual or Active Blind

R the radar sensor system is outside the operating temperature range

Spot Assist cur‐

R the radar sensor system is temporarily inoperative, e.g. due to elec-

rently unavailable

tromagnetic radiation emitted by nearby TV or radio stations or

See Owner's Manual

other sources of electromagnetic radiation

The yellow 9 indicator lamps also light up in the exterior mirrors.

Once the causes listed above no longer apply, the display message

disappears.

Blind Spot Assist or Active Blind Spot Assist is operational again.

If the display message does not disappear:

X Stop the vehicle, paying attention to road and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Restart the engine.

Blind Spot Assist

Blind Spot Assist or Active Blind Spot Assist is deactivated during

not available when

trailer-towing.

towing a trailer

You have established the electrical connection between the trailer and

See Owner's Manual or

your vehicle.

Active Blind Spot

X Press a on the steering wheel to confirm the display message.

Assist not availa‐

ble when towing a

trailer See Owner's

Manual

Blind Spot Assist

Blind Spot Assist or Active Blind Spot Assist is faulty.

inoperative or

The yellow 9 indicator lamps also light up in the exterior mirrors.

Active Blind Spot

X Consult a qualified specialist workshop.

Assist inoperative

Parking Pilot can‐

The driver's door is open.

celled

X Repeat the parking space measurement and parking manoeuvre

with the driver's door closed.

You inadvertently touched the multifunction steering wheel while

steering intervention was active.

X While steering intervention is active, make sure not to touch the

multifunction steering wheel.

The vehicle has started to skid and ESP ® has intervened.

X Use Parking Pilot again later ( Y page 201).

Parking Pilot inop‐

Parking Assist PARKTRONIC is malfunctioning or faulty.

erative

X Follow the instructions and helpful hints in the "Problems with

Parking Assist PARKTRONIC" section ( Y page 201).

If the multifunction display still shows the display message:

X Consult a qualified specialist workshop.

Display messages

280

Display messages

Possible causes/consequences and M Solutions

Parking Pilot is unavailable or malfunctioning.

X Switch off the ignition and restart the engine.

On-board computer and displays

If the Parking Pilot continues to be unavailable (the j symbol does

not appear on the multifunction display):

X Consult a qualified specialist workshop.

Parking Pilot ended

The vehicle is parked. A warning tone also sounds.

The display message disappears automatically.

Distance Pilot off

Distance Pilot DISTRONIC is deactivated.

If a warning tone also sounds, Distance Pilot has deactivated auto-

matically ( Y page 181).

Distance Pilot

Distance Pilot DISTRONIC is operational again after having been tem-

available again

porarily unavailable. You can now reactivate Distance Pilot

DISTRONIC ( Y page 181).

Distance Pilot cur‐

Distance Pilot DISTRONIC is temporarily inoperative.

rently unavailable

Steering Pilot is also temporarily inoperative.

See Owner's Manual

Possible causes:

R the radar sensor system is temporarily inoperative, e.g. due to elec-

tromagnetic radiation emitted by nearby TV or radio stations or

other sources of electromagnetic radiation

R the system is outside the operating temperature range

R the on-board voltage is too low

A warning tone also sounds.

Once the causes listed above no longer apply, the display message

disappears.

Distance Pilot DISTRONIC is operational again.

If the display message does not disappear:

X Stop the vehicle, paying attention to road and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Restart the engine.

Distance Pilot inop‐ Distance Pilot DISTRONIC is faulty.

erative

The following may have also failed:

R Active Brake Assist

R Active Brake Assist with cross-traffic function

A warning tone also sounds.

X Consult a qualified specialist workshop.

Distance Pilot pas‐

You have depressed the accelerator pedal. Distance Pilot DISTRONIC

sive

is no longer controlling the speed of the vehicle.

X Remove your foot from the accelerator pedal.

Display messages

281

Display messages

Possible causes/consequences and M Solutions

Distance Pilot

A condition for activating Distance Pilot DISTRONIC has not been met.

- - - km/h

X Check the activation conditions for Distance Pilot DISTRONIC

On-board computer and displays

( Y page 181).

Distance Pilot and

Distance Pilot DISTRONIC and speed limiter are faulty.

Limiter inoperative

This means that Steering Pilot is also unavailable.

A warning tone also sounds.

X Consult a qualified specialist workshop.

Steering Pilot cur‐

Steering Pilot is temporarily inoperative.

rently unavailable

Possible causes:

See Owner's Manual

R the windscreen is dirty in the camera's field of vision

R visibility is impaired due to heavy rain, snow or fog

R there have been no lane markings for an extended period

R the lane markings are worn away, dark or covered up, e.g. by dirt or

snow

Once the causes listed above no longer apply, the display message

disappears.

Steering Pilot is operational again.

If the display message does not disappear:

X Stop the vehicle, paying attention to road and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Clean the windscreen.

Steering Pilot inop‐ Steering Pilot is malfunctioning.

erative

However, Distance Pilot DISTRONIC functions are still available.

A warning tone also sounds.

X Consult a qualified specialist workshop.

Cruise control and

Cruise control and speed limiter are faulty.

Limiter inoperative

X Consult a qualified specialist workshop.

Limiter passive

If you depress the accelerator pedal beyond the pressure point (kick-

down), the limiter is switched to passive mode.

The speed limitation is not active.

X Drive slower than the stored speed and without kickdown.

X Call up the last speed stored again.

X Set a new speed.

When the display message disappears, the speed limitation is active.

Speed limiter

The speed limiter cannot be activated, since not all the activation

--- km/h

conditions have been met.

X Check the activation conditions for the speed limiter ( Y page 193).

Display messages

282

Display messages

Possible causes/consequences and M Solutions

Speed limit (winter

You have reached the stored speed limit for winter tyres. It is not

tyres) - - - km/h

possible to exceed this speed. You can suppress this message by

On-board computer and displays

pressing the a button. The message will not reappear until the

ignition has been switched on again.

Cruise control

R A condition for activating cruise control has not been met

--- km/h

You have tried to store a speed below 30 km/h, for example.

R ESP ® is deactivated The yellow ESP ® OFF warning lamp is lit.

X If conditions permit, drive faster than 30 km/h and store the speed.

X Check the activation conditions for cruise control ( Y page 177).

X Reactivate ESP ® ( Y page 75).

Cruise control off

Cruise control has been deactivated.

If a warning tone also sounds, cruise control has deactivated auto-

matically ( Y page 177).

120 km/h!

For certain countries only: the maximum speed has been exceeded.

Maximum speed excee‐ In addition, the multifunction display shows 120 km/h!

ded

X Drive more slowly.

Display messages

283

Tyres

Display messages

Possible causes/consequences and M Solutions

Tyre pressure Check

The tyre pressure loss warning system has detected a significant loss

On-board computer and displays

tyres

in pressure.

A warning tone also sounds.

Possible causes:

R you have changed the positions of the wheels and tyres or fitted new

wheels and tyres

R the tyre pressure in one or more tyres has dropped

G WARNING

Underinflated tyres pose the following risks:

R the tyres may burst, especially as the load and vehicle speed

increase

R the tyres may wear excessively and/or unevenly, which may greatly

impair tyre traction

R the driving characteristics, as well as steering and braking, may be

greatly impaired

There is a risk of an accident.

X Stop the vehicle without making any sudden steering or braking

manoeuvres. Pay attention to the traffic conditions as you do so.

X Safeguard the vehicle against rolling away ( Y page 166).

X Check the tyres and, if necessary, follow the instructions for a flat

tyre ( Y page 351).

X Check the tyre pressures and, if necessary, correct the tyre pres-

sure.

X Restart the tyre pressure loss warning system when the tyre pres-

sure is correct ( Y page 372).

Check tyre pres‐

The tyre pressure loss warning system generated a display message

sures then restart

and has not been restarted since.

Run Flat Indicator

X Set the correct tyre pressure in all four tyres.

X Restart the tyre pressure loss warning system ( Y page 372).

Run Flat Indicator

The tyre pressure loss warning system is faulty.

inoperative

X Consult a qualified specialist workshop.

Rectify tyre pres‐

The tyre pressure is too low in at least one of the tyres, or the tyre

sure

pressure difference between the wheels is too great.

X Check the tyre pressures at the next opportunity ( Y page 373).

X If necessary, correct the tyre pressure.

X Restart the tyre pressure monitor ( Y page 374).

Display messages

284

Display messages

Possible causes/consequences and M Solutions

Check tyre(s)

The tyre pressure in one or more tyres has dropped significantly. The

wheel position is displayed in the multifunction display.

On-board computer and displays

A warning tone also sounds.

G WARNING

Underinflated tyres pose the following risks:

R the tyres may burst, especially as the load and vehicle speed

increase

R the tyres may wear excessively and/or unevenly, which may greatly

impair tyre traction

R the driving characteristics, as well as steering and braking, may be

greatly impaired

There is a risk of an accident.

X Stop the vehicle without making any sudden steering or braking

manoeuvres. Pay attention to the traffic conditions as you do so.

X Secure the vehicle against rolling away ( Y page 166).

X Check the tyres and, if necessary, follow the instructions for a flat

tyre ( Y page 351).

X Check the tyre pressure ( Y page 373).

X If necessary, correct the tyre pressure.

Warning tyre defect

The tyre pressure in one or more tyres has dropped suddenly. The

wheel position is displayed in the multifunction display.

G WARNING

If you drive with a flat tyre, there is a risk of the following hazards:

R a flat tyre affects the ability to steer or brake the vehicle

R you could lose control of the vehicle

R continued driving with a flat tyre will cause excessive heat build-up

and possibly a fire

There is a risk of an accident.

X Stop the vehicle without making any sudden steering or braking

manoeuvres. Pay attention to the traffic conditions as you do so.

X Secure the vehicle against rolling away ( Y page 166).

X Check the tyres and, if necessary, follow the instructions for a flat

tyre ( Y page 351).

Tyre press. monitor

No signals can be received from the tyre pressure sensors due to

currently unavaila‐

strong RF interference. The tyre pressure monitor is temporarily mal-

ble

functioning.

X Drive on.

The tyre pressure monitor restarts automatically as soon as the

cause has been rectified.

Display messages

285

Display messages

Possible causes/consequences and M Solutions

Wheel sensor(s)

There is no signal from the tyre pressure sensor of one or several

missing

wheels. The pressure of the affected tyre is not displayed in the mul-

On-board computer and displays

tifunction display.

X Have the faulty tyre pressure sensor replaced at a qualified spe-

cialist workshop.

Tyre press. monitor

The wheels fitted do not have suitable tyre pressure sensors. The tyre

inoperative No

pressure monitor is deactivated.

wheel sensors

X Fit wheels with suitable tyre pressure sensors.

The tyre pressure monitor is activated automatically after driving for

a few minutes.

Tyre press. monitor

The tyre pressure monitor is faulty.

inoperative

X Consult a qualified specialist workshop.

Vehicle

Display messages

Possible causes/consequences and M Solutions

To start engine,

You attempted to start the engine with the transmission in position k

shift to either P

or h.

or N

X Shift the transmission to position j or i.

Apply brake to dese‐ You attempted to shift the transmission to position h, k or i

lect Park (P) posi‐ without depressing the brake pedal.

tion

X Depress the brake pedal.

To shift out of P

You attempted to shift the transmission out of position j or i into

or N, depress brake

another transmission position with the engine switched off.

and start engine

X Depress the brake pedal.

X Start the engine.

Apply brake to

You have attempted to shift from position h to position k without

select R

applying the brakes.

X Depress the brake pedal.

X Shift the transmission to position k .

Risk of vehicle

The driver's door is open or not fully closed and the transmission is in

rolling Transmis‐

position k, i or h.

sion not in P

A warning tone also sounds.

G WARNING

The vehicle may roll away.

There is a risk of an accident.

X Shift the transmission to position j .

X Secure the vehicle against rolling away ( Y page 166).

X Close the driver's door fully.

Display messages

286

Display messages

Possible causes/consequences and M Solutions

Only select Park

The vehicle is moving.

(P) when vehicle is

X Stop the vehicle safely as soon as possible, paying attention to road

stationary

On-board computer and displays

and traffic conditions.

X Shift the transmission to position j .

Without changing

You cannot change the transmission position due to a malfunction.

gear, consult work‐

A warning tone also sounds.

shop

If transmission position h is selected:

X Drive to a qualified specialist workshop without shifting the trans-

mission from position h .

If position k, i or j is selected:

X Secure the vehicle against rolling away ( Y page 166).

X Consult a qualified specialist workshop.

Reversing not poss.

You can no longer shift to transmission position k due to a malfunc-

Consult workshop

tion.

Transmission positions j, i or h continue to be available.

A warning tone also sounds.

X Consult a qualified specialist workshop.

Transmission Mal‐

A malfunction has occurred in the mechanical transmission compo-

function Stop

nents.

A warning tone also sounds. The transmission shifts automatically to

position i.

X Stop the vehicle, paying attention to road and traffic conditions.

X Shift the transmission to position j .

X Secure the vehicle against rolling away ( Y page 166).

X Consult a qualified specialist workshop.

Auxiliary battery

The auxiliary battery for the automatic transmission is no longer being

malfunction

charged.

X Consult a qualified specialist workshop.

X Until then, always set the automatic transmission to position j

before switching off the engine.

X Before leaving the vehicle, apply the electric parking brake.

The tailgate is open

G WARNING

When the engine is running, exhaust gases can enter the vehicle inte-

rior if the tailgate is open.

There is a risk of poisoning.

X Close the tailgate.

Display messages

287

Display messages

Possible causes/consequences and M Solutions

The bonnet is open.

A warning tone also sounds.

On-board computer and displays

G WARNING

The open bonnet may then block your view when the vehicle is in

motion.

There is a risk of an accident.

X Stop the vehicle safely as soon as possible, paying attention to road

and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Close the bonnet.

Active bonnet mal‐

The active bonnet (pedestrian protection) is inoperative due to a mal-

function See Own‐

function or because it has already been triggered.

er's Manual

X Consult a qualified specialist workshop.

At least one door is open.

A warning tone also sounds.

X Close all doors.

The trailer tow hitch is not operational.

A warning tone also sounds.

Check trailer hitch

lock

G WARNING

If the ball coupling is not in the locked position, the trailer may come

loose. There is a risk of an accident.

X Stop the vehicle immediately, paying attention to road and traffic

conditions, and switch off the engine.

X Secure the vehicle against rolling away ( Y page 166).

X Uncouple the trailer and secure it against rolling away.

X Initiate a new swivelling procedure ( Y page 232).

X When the display message disappears, re-couple the trailer.

If the display message continues to be displayed:

X Do not re-couple the trailer.

X Check the ground clearance and drive on without the trailer.

X Consult a qualified specialist workshop.

The ball coupling is swivelling out or in.

Swivel the ball coupling in or out only when the vehicle is stationary.

Trailer coupling

No trailer may be coupled during the swivelling procedure. Do not

extending

attempt to speed up, slow down or initiate the swivelling process using

your hand, foot or other aids.

X Move the ball coupling of the trailer tow hitch to an operational

position ( Y page 232).

Display messages

288

Display messages

Possible causes/consequences and M Solutions

The on-board voltage is too low

The auxiliary heating has switched itself off or cannot be switched on

inoperative Battery

On-board computer and displays

( Y page 136).

low

X Drive for a considerable distance.

The battery charges. The auxiliary heating is operational again as

soon as the on-board electrical system voltage is sufficient.

There is too little fuel in the fuel tank. The auxiliary heating cannot be

switched on ( Y page 136).

inoperative Refuel

X Refuel at the nearest filling station.

vehicle

The auxiliary heating is temporarily malfunctioning or faulty.

X When the vehicle is on a level surface and the engine has cooled

inoperative See Own‐

down, make up to four attempts to switch on the auxiliary heating,

er's Man.

waiting several minutes between each attempt ( Y page 136).

If the auxiliary heating does not switch on:

X Consult a qualified specialist workshop.

The power steering assistance is faulty.

A warning tone also sounds.

Power steering mal‐

function See Own‐

G WARNING

er's Manual

You will need to use more force to steer.

There is a risk of an accident.

X Check whether you are able to apply the extra steering force

required.

If you are able to steer safely:

X Drive on carefully.

X Consult a qualified specialist workshop immediately.

If you are unable to steer safely:

X Do not drive on.

X Consult a qualified specialist workshop.

Telephone No service Your vehicle is outside the mobile phone network provider's trans-

mitter/receiver range.

X Wait until the mobile phone operational readiness symbol appears

on the multifunction display.

The washer fluid level in the washer fluid reservoir has dropped below

the minimum.

Top up washer fluid

X Top up the washer fluid ( Y page 340).

Display messages

289

Display messages

Possible causes/consequences and M Solutions

Wiper malfunction‐

The windscreen wipers are defective.

ing

X Consult a qualified specialist workshop.

On-board computer and displays

Hazard warning

The hazard warning lamps are faulty.

lamps malfunction‐

X Consult a qualified specialist workshop.

ing

Key

Display messages

Possible causes/consequences and M Solutions

You have put the wrong key in the ignition lock.

X Use the correct key.

Key does not belong

to vehicle

The key needs to be replaced.

X Consult a qualified specialist workshop.

Replace key

The key battery is discharged.

X Change the battery ( Y page 86).

Change key batteries

The key is currently undetected.

X Change the location of the key in the vehicle.

Key not detected

If the key still cannot be detected:

(white display message)

X Operate the vehicle with the key in the ignition lock if necessary.

The key is not in the vehicle.

A warning tone also sounds.

Key not detected

If the engine is switched off, you can no longer lock the vehicle cen-

(red display message)

trally or start the engine.

X Stop the vehicle safely as soon as possible, paying attention to road

and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Locate the key.

Warning and indicator lamps in the instrument cluster

290

Display messages

Possible causes/consequences and M Solutions

Because there is interference from a strong source of radio waves, the

key is not detected whilst the engine is running.

On-board computer and displays

A warning tone also sounds.

X Stop the vehicle safely as soon as possible, paying attention to road

and traffic conditions.

X Secure the vehicle against rolling away ( Y page 166).

X Insert the key into the ignition lock and bring into key mode.

R The key detection function has a temporary malfunction or is faulty.

R The key is continually undetected.

Remove starting but‐ A warning tone also sounds.

ton, then insert key

X Insert the key into the ignition lock and turn it to the desired posi-

tion.

X Consult a qualified specialist workshop.

Warning and indicator lamps in the instrument cluster

General notes

Some systems carry out a self-diagnosis when the ignition is switched on. Several warning and

indicator lamps can thereby temporarily light up or flash. This behaviour is non-critical. These

warning and indicator lamps only indicate a malfunction if they light up or flash after the engine is

started or during a journey.

Safety

Seat belts

Warning/

N Signal type

indicator

Possible causes/consequences and M Solutions

lamp

N Only for certain countries: the red seat belt warning lamp lights up for 6 seconds

after the engine starts.

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

seat belts.

X Fasten your seat belt ( Y page 48).

N Only for certain countries: the red seat belt warning lamp lights up after the

engine starts. In addition, a warning tone sounds for up to 6 seconds.

The driver's seat belt is not fastened.

X Fasten your seat belt ( Y page 48).

The warning tone ceases.

On-board computer and displays -> Display messages for Your Mercedes GLE SUV First Generation (2016-2019)

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