Get Breakdown assistance Guide for Mercedes A Class 4 Door Third Generation (2018-2026)

Maintenance and care

270

Exterior lighting

R

Clean the lenses with a wet sponge and mild

Notes on care of the interior

Seat belts

R

Clean with lukewarm and soapy water.

&

cleaning agent, e.g. car shampoo.

WARNING Risk of injury from plastic parts

breaking oꢁ aꢀer the use of solvent-based

care products

R

Do not use chemical cleaning agents.

R

Only use cleaning agents or cleaning cloths

that are suitable for plastic lenses.

Do not dry by heating them to over 176°F

(80°C) or exposing them to direct sunlight.

Care and cleaning products containing sol-

vents can cause surfaces in the cockpit to

become porous. When the airbags are

deployed, plastic parts may break away.

Sensors

R

Clean the sensors in the front and rear bump-

Display

R

Switch oꢁ the display and let it cool down.

ers with a soꢀ cloth and car shampoo

(/ page 155).

R

Clean the surface carefully with a microꢂber

cloth and a suitable display care product (TFT-

LCD).

#

Do not use any care or cleaning products

containing solvents to clean the cockpit.

R

When using a power washer, maintain a mini-

mum distance of 11.8 in (30 cm).

R

Do not use any other agents.

Rear view camera and surround view camera

R

Open the camera cover with the multimedia

&

WARNING Risk of injury or fatal injuries

from bleached seat belts

Head-up Display

R

Clean with a soꢀ, non-static, lint-free cloth.

system (/ page 194).

Bleaching or dyeing seat belts can severely

weaken them.

R

Do not use cleaning agents.

R

Use clean water and a soꢀ cloth to clean the

camera lens.

Plastic trim

R

Clean with a damp microꢂber cloth.

This can, for example, cause seat belts to tear

or fail in an accident.

R

Do not use a power washer.

R

For heavy soiling: Use a cleaner recommen-

ded for Mercedes-Benz.

Tailpipes

R

Clean with a cleaning agent recommended for

#

Never bleach or dye seat belts.

R

Do not attach stickers, ꢂlms or similar materi-

als.

Mercedes-Benz, especially in the winter and

aꢀer washing the vehicle.

To avoid damage to the vehicle, observe the fol-

lowing notes on cleaning and care:

R

Do not use acidic cleaning agents.

Maintenance and care

271

R

Do not allow cosmetics, insect repellent or

sun cream to come in contact with the plastic

trim.

Leather care: Use a leather care agent that

has been recommended for Mercedes-Benz.

cleaner; neither should you use polishes

or waxes. Otherwise you may damage

the ꢂnish.

R

Do not allow the leather to become too damp.

Do not use a microꢂber cloth.

Real wood and trim elements

R

Clean with a microꢂber cloth.

R

Clean with a damp cloth and 1% soapy water

solution and then wipe with a dry cloth.

%

Regular cleaning and care of the leather

reduces soiling, wear marks and aging dam-

age and thus signiꢂcantly extends its life

span. Clothing that can leave stains, e.g.

jeans, can leave discoloration on the leather.

R

Black piano-lacquer look: Clean with a damp

cloth and soapy water.

For heavy soiling: Use a cleaner recommen-

ded for Mercedes-Benz.

R

For heavy soiling: Use a cleaner recommen-

ded for Mercedes-Benz.

Leather care: Use a leather care agent that

has been recommended for Mercedes-Benz.

R

Do not use solvent-based cleaning agents, pol-

ishes or waxes.

DINAMICA seat covers

R

Clean with a damp cloth.

R

Do not allow the leather to become too damp.

Do not use a microꢂber cloth.

R

Headliner

R

Clean with a brush or dry shampoo.

Do not use a microꢂber cloth.

%

Leather is a natural product. It has natural

surface properties, such as diꢁerences in

structure, marks caused by growth and injury

or subtle color diꢁerences. These surface

properties are characteristics of leather and

not material faults. What's more, leather is

subject to a natural aging process during

which the surface properties change.

Imitation leather seat covers

R

Clean with a damp cloth and 1% soapy water.

Carpet

R

Use a carpet and textile cleaning agent recom-

R

Do not use a microꢂber cloth.

mended for Mercedes-Benz.

Fabric seat covers

R

Clean with a damp microꢂber cloth and 1%

Steering wheel made of genuine leather or DINA-

MICA

soapy water and allow to dry.

*

NOTE Damage caused by wrong cleaners

Genuine leather seat covers

R

Clean with a damp cloth and then wipe with a

#

Do not use solvent-based cleaning

agents such as tar remover or wheel

dry cloth.

Breakdown assistance

272

Warning triiangle

3

4

5

6

7

Do not bleach

Do not iron

Do not tumble dry

Do not dry clean

Class 2 safety vest

Emergency

Removing the warning triangle

Removing the safety vest

The safety vests are located in the storage com-

partments in the driver's and front passenger

door.

#

The requirements deꢂned by the legal standard

are only fulꢂlled if the safety vest is the correct

size and is fully closed.

Pull out the safety vest bag by the loop.

Open the safety vest bag and pull out the

safety vest.

#

%

Replace the safety vest in the following cases:

There are also safety vest compartments in

the rear door storage compartments in which

safety vests can be stored.

R

The reꢃective strips are damaged or dirty

R

The maximum permissible number of washes

is exceeded

R

The ꢃuorescence has faded

#

Push both sides of warning triangle holder 1

in the direction of the arrow and open it.

#

Remove warning triangle 2.

1

2

Maximum number of washes

Maximum wash temperature

Breakdown assistance

273

Setting up the warning triangle

First-aid kit (soꢀ--sidedd)) overview

Flat tire

Notes on ꢃaat tires

&

WARNING Risk of accident due to a ꢃat

tire

A ꢃat tire severely aꢁects the driving charac-

teristics as well as the steering and braking of

the vehicle.

Tires without run-ꢃat characteristics:

#

Do not drive with a ꢃat tire.

#

Fold side reꢃectors 1 upwards to form a tri-

angle and attach at the top using upper press-

stud 2.

Change the ꢃat tire immediately with an

emergency spare wheel or spare wheel.

Alternatively, consult a qualiꢂed special-

ist workshop.

#

Fold legs 3 down and out to the side.

Tires with run-ꢃat characteristics:

First-aid kit (soꢀ sided) 1 is on the leꢀ or right in

the trunk, depending on the vehicle version.

#

Observe the information and warning

notes on MOExtended tires (run-ꢃat

tires).

%

Depending on the vehicle's equipment, the

ꢂrst-aid kit (soꢀ-sided) is in the recess in the

side trim.

Breakdown assistance

274

In the event of a ꢃat tire, the following options are Notes on MOExtended tires (run-ꢃat tires)

available depending on your vehicle's equipment:

workshop with regard to their further

use.

&

WARNING Risk of accident when driving in

limp-home mode

R

Vehicles with MOExtended tires: it is possible

to continue the journey for a short period of

time. Make sure you observe the notes on

MOExtended tires (run-ꢃat tires)

#

The defective tire must be replaced in

every case.

When driving in emergency mode the handling

characteristics are impaired.

With MOExtended tires (run-ꢃat tires), you can

continue to drive your vehicle even if there is a

total loss of pressure in one or more tires. How-

ever, the tire aꢁected must not show any clearly

visible damage.

(/ page 274).

#

Do not exceed the speciꢂed maximum

speed of the MOExtended tires.

R

Vehicles with a TIREFIT kit: you can repair the

tire so that it is possible to continue the jour-

ney for a short period of time. To do this, use

the TIREFIT kit (/ page 275).

#

Avoid any abrupt steering and driving

maneuvers as well as driving over obsta-

cles (curbs, pot holes, oꢁ-road). This

applies, in particular, to a loaded vehicle.

You can recognize MOExtended tires by the

MOExtended marking which appears on the side

wall of the tire.

Vehicles with Mercedes me connect: you can

make a call for breakdown assistance via the

overhead control panel in the case of a break-

down (/ page 239).

#

Stop driving in the emergency mode if

you notice:

Vehicles with tire pressure loss warning system:

MOExtended tires may only be used in conjunc-

tion with an activated tire pressure loss warning

system.

R

Banging noise

R

All vehicles: change the wheel (/ page 316).

R

Vehicle vibration

%

The emergency spare wheel is only available

in certain countries.

R

Smoke which smells like rubber

Continuous ESP^®intervention

Vehicles with tire pressure monitoring system:

MOExtended tires may only be used in conjunc-

tion with an activated tire pressure monitoring

system.

R

Cracks in the tire side walls

#

Aꢀer driving in emergency mode, have

the rims checked by a qualiꢂed specialist

If a pressure loss warning message appears in the

driver's display, proceed as follows:

R

Check the tire for damage.

Breakdown assistance

275

R

If driving on, observe the following notes.

Gloves

Driving distance possible in emergency mode

aꢀer the pressure loss warning:

TIREFIT kit storage location: (/ page 275)

You can use TIREFIT tire sealant to seal perfora-

tion damage of up to 0.16 in (4 mm), particularly

those in the tire contact surface. You can use

TIREFIT in outside temperatures down to -4°F

(-20°C).

Load condition

Driving distance possi-

ble in emergency mode

Partially laden

Fully laden

50 miles (80 km)

19 miles (30 km)

&

WARNING Risk of accident when using

tire sealant

The driving distance possible in emergency mode

may vary depending on the driving style. Observe

the maximum permissible speed of 50 mph

(80 km/h).

1

2

Tire sealant bottle

Tire inꢃation compressor

The tire sealant may be unable to seal the tire

properly, especially in the following cases:

Depending on the model, the TIREFIT kit may also

be located in other places under the trunk ꢃoor.

R

There are large cuts or punctures in the

tire (larger than damage previously men-

tioned)

If a tire has gone ꢃat and cannot be replaced with

an MOExtended tire, you can use a standard tire

as a temporary measure.

Using thee TIREFIT kit

Required tools:

R

Tire sealant bottle

R

The wheel rims have been damaged

R

Aꢀer journeys with very low tire pressure

or with ꢃat tires

Storage location of thee TIREFIT kit (not plug-in

hybrid)

R

#

TIREFIT sticker

Do not continue driving.

The TIREFIT kit is located under the trunk ꢃoor.

R

#

Sticker with details of the maximum permissi-

ble speed

Consult a qualiꢂed specialist workshop.

R

Tire inꢃation compressor

Breakdown assistance

276

#

Remove sticker 1 from the tire inꢃation com-

pressor housing and aꢄx it to the instrument

cluster within the driver's ꢂeld of vision.

&

*

WARNING Risk of injury and poisoning

from tire sealant

NOTE Overheating due to the tire inꢃation

compressor running too long

#

The tire sealant is harmful and causes irrita-

tion. Do not allow it to come into contact with

the skin, eyes or clothing, and do not swallow

it. Do not inhale tire sealant fumes. Keep the

tire sealant away from children.

Do not run the tire inꢃation compressor

for longer than ten minutes without inter-

ruption.

Comply with the manufacturer's safety notes on

the sticker on the tire sealant bottle.

If you come into contact with the tire sealant,

observe the following:

Have the tire sealant bottle replaced in a qualiꢂed

specialist workshop every ꢂve years.

#

Rinse oꢁ the tire sealant from your skin

immediately using water.

#

Do not remove any foreign objects which have

entered the tire.

#

If tire sealant gets into your eyes, thor-

oughly rinse out the eyes using clean

water.

#

Remove sticker 2 from the tire sealant bottle

and aꢄx it near the valve on the wheel with

the faulty tire.

#

If tire sealant has been swallowed, imme-

diately rinse out the mouth thoroughly

and drink plenty of water. Do not induce

vomiting and seek medical attention

immediately.

#

Change out of any clothes contaminated

with tire sealant immediately.

#

If allergic reactions occur, seek medical

attention immediately.

Breakdown assistance

277

#

Turn tire sealant bottle 9 a quarter turn

clockwise.

Press on and oꢁ switch 8 on the tire inꢃation

compressor.

The tire inꢃation compressor is switched on.

The tire is inꢃated. First, tire sealant is pum-

ped into the tire. The pressure may brieꢃy rise

to approximately 500 kPa (5 bar/73 psi).

Insert the plug of ꢂller hose 3 in socket 5

of tire sealant bottle 9.

Turn ꢂller hose 3 a quarter turn clockwise.

Do not switch oꢁ the tire inꢃationn compressor

during this phase!

#

Let the tire inꢃation compressor run for a max-

imum of ten minutes.

The tire should then have attained a tire pres-

sure of at least 200 kPa (2.0 bar/29 psi).

If tire sealant leaks out, make sure you clean the

aꢁected area as quickly as possible. It is prefera-

ble to use clean water.

#

Pull plug 7 with the cable and ꢂller hose 3

out of the tire inꢃation compressor housing.

#

Remove the valve cap from valve A on the

faulty tire.

If you get tire sealant on your clothing, have it

cleaned as soon as possible with perchloroethy-

lene.

Insert tire sealant bottle 9 in socket 6 of

the tire inꢃation compressor in such a way

that the red arrow on tire sealant bottle 9

matches the red arrow on the tire inꢃation

compressor.

Screw union nut 4 of ꢂller hose 3 onto

valve A.

If, aꢀer ten minutes, a tire pressure of 200 kPa

(2.0 bar/29 psi) has not been attained:

Insert plug 7 into a 12 V socket in your vehi-

cle.

#

Switch oꢁ the tire inꢃation compressor.

Turn the key to position 1 in the ignition lock.

Breakdown assistance

278

#

Unscrew the ꢂlling hose from the valve of the

faulty tire.

#

Adapt your driving style accordingly and

drive carefully.

*

NOTE Staining caused by leaking tire seal-

ant

Do not exceed the maximum speed limit

with a tire that has been repaired using

tire sealant.

Please note that tire sealant may leak out when

unscrewing the ꢂlling hose.

Aꢀer use, excess tire sealant may leak out

from the ꢂlling hose.

#

Drive forwards or in reverse very slowly for

approximately 33 ꢀ (10 m).

Therefore, place the ꢂlling hose in the

plastic bag that contained the TIREFIT

kit.

#

Observe the maximum permissible speed for a

tire sealed with tire sealant 50 mph

(80 km/h).

#

Pump up the tire again.

Aꢀer a maximum of ten minutes the tire pres-

sure must be at least 200 kPa (2.0 bar/

29 psi).

If, aꢀer ten minutes, a tire pressure of 200 kPa

(2.0 bar/29 psi) has been attained:

The sticker with details of the maximum per-

missible speed must be aꢄxed to the instru-

ment cluster where it can be easily seen by

the driver.

#

Switch oꢁ the tire inꢃation compressor.

&

WARNING Risk of accident due to the

speciꢂed tire pressure not being achieved

#

Unscrew the ꢂlling hose from the valve of the

faulty tire.

If the speciꢂed tire pressure is not achieved

aꢀer the speciꢂed time, the tire is too badly

damaged. The tire sealant cannot repair the

tire in this instance.

*

NOTE Staining caused by leaking tire seal-

ant

Please note that tire sealant may leak out when

unscrewing the ꢂlling hose.

Aꢀer use, excess tire sealant may leak out

from the ꢂlling hose.

&

WARNING Risk of accident from driving

with sealed tires

The braking characteristics as well as the driv-

ing characteristics may be greatly impaired.

#

Therefore, place the ꢂlling hose in the

plastic bag that contained the TIREFIT

kit.

A tire temporarily sealed with tire sealant

impairs the handling characteristics and is not

suitable for higher speeds.

#

Do not continue driving.

#

Consult a qualiꢂed specialist workshop.

Breakdown assistance

279

The braking and driving characteristics may be

greatly impaired.

+

ENVIRONMENTAL NOTE Environmental

pollution caused by environmentally irre-

sponsible disposal

#

Do not continue driving.

#

Tire sealant contains pollutants.

#

Consult a qualiꢂed specialist workshop.

Have the tire sealant bottle disposed of

professionally, e.g. at an authorized

Mercedes-Benz Center.

In cases such as the one mentioned above, con-

tact an authorized Mercedes-Benz Center. Or call

1-800-FOR-MERCedes (in the USA) or

1-800-387-0100 (in Canada).

#

Store the tire sealant bottle and the tire inꢃa-

tion compressor.

#

Correct the tire pressure if it is still at least

#

Press pressure release button C next to

manometer B.

130 kPa (1.3 bar/19 psi). See the Tire and

Loading Information placard on the B‑pillar on

the driver's side or the tire pressure table in

the fuel ꢂller ꢃap for values.

#

Pull away immediately.

Stop driving aꢀer approximately ten minutes

and check the tire pressure using the tire

inꢃation compressor.

The tire pressure must now be at least

130 kPa (1.3 bar/19 psi).

When the tire pressure is correct

#

Unscrew the ꢂlling hose from the valve of the

sealed tire.

Increasing the tire pressure

#

Screw the valve cap onto the valve of the

sealed tire.

#

Switch on the tire inꢃation compressor.

Decreasing the tire pressure

&

Store the tire sealant bottle and the tire inꢃa-

tion compressor.

WARNING Risk of accident due to the

speciꢂed tire pressure not being attained

#

Remove the tire sealant bottle from the tire

inꢃation compressor.

Drive to the nearest qualiꢂed specialist work-

shop and have the tire, tire sealant bottle and

ꢂlling hose replaced there.

If the speciꢂed tire pressure is not reached,

the tire is too badly damaged. The tire sealant

cannot repair the tire in this instance.

#

Insert the ꢂller hose in the socket of the tire

inꢃation compressor and turn it a quarter turn

clockwise.

Breakdown assistance

280

If you have to disconnect the 12 V battery, con-

tact a qualiꢂed specialist workshop.

#

Battery (veehicle)

Keep children away from the battery.

Notes on thee 12 V battery

Immediately rinse battery acid oꢁ thor-

oughly with plenty of clean water and

seek medical attention immediately.

Comply with safety notes and take protective

measures when handling batteries.

&

WARNING Risk of explosion due to elec-

trostatic charge

Risk of explosion.

+

ENVIRRONMENTAL NOTE Environmental

damage due to improper disposal of bat-

teries

Electrostatic charge can ignite the highly

explosive gas mixture in the battery.

#

To discharge any electrostatic charge

that may have built up, touch the metal

vehicle body before handling the battery.

Fire, open ꢃames and smoking are

prohibited when handling the battery.

Avoid creating sparks.

Batteries contain pollutants. It is

illegal to dispose of them with the household

rubbish.

The highly ꢃammable gas mixture is created while

the battery is charging and during starting assis-

tance.

Electrolyte or battery acid is corrosive.

Avoid contact with the skin, eyes or

clothing. Wear suitable protective

clothing, in particular gloves, an apron

and a face mask. Immediately rinse

electrolyte or acid splashes oꢁ with

clean water. Consult a doctor if neces-

sary.

#

&

WARNING Danger of chemical burns from

the battery acid

Dispose of batteries in an

environmentally responsible manner.

Take discharged batteries to a qualiꢂed

specialist workshop or to a collection

point for used batteries.

Battery acid is caustic.

#

Avoid contact with the skin, eyes or

clothing.

Wear safety glasses.

#

Do not lean over the battery.

#

Do not inhale battery gases.

Breakdown assistance

281

Keep children away.

#

Always take care to connect only battery

terminals of identical polarity when jump

starting a vehicle.

*

NOTE Damage to the battery from over-

voltage

When charging using a battery charger without

a maximum charging voltage, the battery or

the on-board electronics may be damaged.

During starting assistance, it is essential

to observe the sequence described for

connecting and disconnecting the

jumper cables.

Observe this Operator's Manual.

#

Only use battery chargers with a maxi-

mum charging voltage of 14.8 V.

#

Do not connect or disconnect the bat-

tery terminals while the engine is run-

ning.

If you do not intend to use the vehicle over an

extended period of time:

&

WARNINGG Risk of explosion due to igniting

hydrogen gas

R

Activate standby mode, or

If there is a short circuit or sparks start to

form when charging a battery, there is a dan-

ger of the hydrogen gas igniting.

R

Connect the battery to a battery charger

approved by Mercedes-Benz, or

&

WARNINGG Risk of explosion due to a mix-

ture of explosive gases

R

Consult a qualiꢂed specialist workshop to dis-

connect the battery

A mixture of explosive gases can escape from

the battery during charging and jump starting.

#

Take care that the positive terminal of a

connected battery does not come into

contact with vehicle parts.

#

Fire, open ꢃames, smoking and creating

sparks must be avoided.

Notes on startting assistaance and chaarging the 12

V battery

#

Never place metal objects or tools on a

battery.

#

Make sure that there is suꢄcient ventila-

tion.

When charging the battery and during starting

assistance, always use the jump-start connection

point in the engine compartment.

#

When connecting and disconnecting the

battery, always observe the sequence of

battery terminals described.

#

Do not stand over the battery.

Breakdown assistance

282

R

Keep away from ꢂre and open ꢃames.

Do not lean over the battery.

&

*

WARNING Risk of explosion from a frozen

battery

NOTE Damage caused by numerous or

extended attempts to start the engine

A discharged battery may freeze at tempera-

tures slightly above or below freezing point.

Numerous or extended attempts to start the

engine may damage the catalytic converter

due to non-combusted fuel.

Observe the additional following points when

charging the battery:

During starting assistance or battery charging,

battery gas can be released.

R

Only use battery chargers tested and

approved for Mercedes-Benz.

#

Avoid numerous and extended attempts

to start the engine.

#

Always allow a battery to thaw before

charging it or performing starting assis-

tance.

R

Read the battery charger's operating instruc-

tions before charging the battery.

Observe the following points during starting assis-

tance and when charging the battery:

Observe the additional following points during

starting assistance:

If the indicator/warning lamps in the instrument

cluster do not light up at low temperatures, it is

very likely that the discharged battery has frozen.

In this case you may neither jump-start the vehi-

cle nor charge the battery.

R

Only use undamaged jumper cable/charging

cables with a suꢄcient cross-section and

insulated terminal clamps.

R

For starting assistance, only use batteries with

a nominal voltage of 12 V.

R

The vehicles must not touch.

Non-insulated parts of the terminal clamps

must not come into contact with other metal

parts while the jumper cable/charging cable

is connected to the battery/jump-start con-

nection point.

R

Gasoline engine: Only accept starting assis-

The service life of a battery that has been thawed

may be dramatically shortened. The starting char-

acteristics may be impaired, especially at low

temperatures.

tance if the engine and exhaust system are

cold.

R

The jumper cable/charging cable must not

come into contact with any parts which may

move when the engine is running.

Starting assistance and chharging thee 12 V batterry

Requirements:

R

The vehicle is secured with the electric park-

It is recommended that you have a thawed battery

checked at a qualiꢂed specialist workshop.

Always make sure that neither you nor the bat-

tery is electrostatically charged.

ing brake.

Breakdown assistance

283

#

R

Automatic transmission: The transmission is in

position j.

Connect positive clamp 2 on your vehicle to

the positive pole of the donor battery using

the jumper cable/charging cable. Always

begin with positive clamp 2 on your own

vehicle ꢂrst.

First, remove the jumper cable/charging cable

from ground point 3 and the negative pole of

the donor battery, then from positive clamp

2 and the positive pole of the donor battery.

Begin each time with the contacts on your

own vehicle ꢂrst.

The vehicle and all electrical consumers are

switched oꢁ.

The hood is open.

#

During starting assistance: start the engine of

the donor vehicle and run at idle speed.

Aꢀer removing the jumper cable/charging

cable, close cover 1 of positive clamp 2.

Connect the negative pole of the donor bat-

tery and ground point 3 of your own vehicle

by using the jumper cable/charging cable.

Begin with the donor battery ꢂrst.

Further information can be obtained at a qualiꢂed

specialist workshop.

#

During starting assistance: start the engine of

your own vehicle.

Replacing thee 12 V battery

#

Observe the notes on the 12 V battery

(/ page 280).

During the charging process: start the charg-

ing process.

During starting assistance: let the engines run

for several minutes.

Mercedes-Benz recommends that you have the

12 V battery replaced at a qualiꢂed specialist

workshop, e.g. at an authorized Mercedes-Benz

Center.

During starting assistance: before disconnect-

ing the jumper cable, switch on an electrical

consumer on your own vehicle, e.g. the rear

window heater or lighting.

#

Slide cover 1 of positive clamp 2 on the

jump-starting connection point in the direction

of the arrow.

When the starting assistance/charging process is

complete:

Breakdown assistance

284

Observe the following notes if you want to replace

the battery yourself:

Install any existing or supplied cell caps.

&

WARNING Risk of accident when towing

with steering wheel locking

Otherwise, gases or battery acid could

escape.

R

Always replace a faulty battery with a battery

which meets the speciꢂc vehicle require-

ments.

When the steering wheel locking is engaged,

you can no longer steer the vehicle.

R

Make sure that detachable parts are recon-

nected in the same way.

#

Always switch on the vehicle when tow-

ing with a tow rope or tow bar.

The vehicle is equipped with a ꢃeece battery.

Full vehicle functionality is only guaranteed

with a ꢃeece battery. For safety reasons,

Mercedes-Benz recommends that you only

use batteries which have been tested and

approved for your vehicle by Mercedes-Benz.

Tow starting or towing away

*

NOTE Damage to the vehicle due to tow-

ing away incorrectly

Permitted towwing methoods (non plug-in hybrid)

Mercedes-Benz recommends transporting your

vehicle in the case of a breakdown, rather than

towing it away.

#

Observe the instructions and notes on

towing away.

R

Use detachable parts such as vent hoses,

elbow ꢂttings or terminal covers from the bat-

tery which is to be replaced.

For towing, use a tow rope or tow bar with both

axles on the ground. Do not use tow bar systems.

R

Make sure that the vent hose is always con-

nected to the original opening on the side of

the battery.

Breakdown assistance

285

Permitted toowing methods

Vehicle equipment/towing method

Both axles on the ground

Front axle raised

Rear axle raised

Vehicles with automatic transmis-

sion

Yes, maximum 31 miles (50 km) at

31 mph (50 km/h)

Yes, maximum 31 miles (50 km) at

31 mph (50 km/h)

Yes, maximum 31 miles (50 km) at

31 mph (50 km/h)

4MATIC vehicles

Yes, maximum 31 miles (50 km) at

31 mph (50 km/h)

No

To tow with a raised axle: towing should be per-

formed by a towing company.

Observe the following points when the battery is

discharged:

or if the display does not show anything,

transport the vehicle (/ page 287). A towing

vehicle with liꢀing equipment is required for

vehicle transportation.

R

The vehicle cannot be started

Towing thhe vehicle with both axles on thhe ground

R

The electric parking brake cannot be released

or applied

#

*

NOTE Damage due to towing away at

excessively high speeds or over long dis-

tances

Observe the notes on the permitted towing

methods (/ page 284).

R

Vehicles with automatic transmission: The

transmission cannot be shiꢀed to position i

or j.

#

Make sure that the battery is connected and

charged.

The drivetrain could be damaged when towing

at excessively high speeds or over long distan-

ces.

%

Vehicles wwith automatic transmission: If the

transmission cannot be shiꢀed to position i

Breakdown assistance

286

#

Information on the permissible gross mass of

the vehicle can be found on the vehicle identi-

ꢂcation plate (/ page 327).

Release the electric parking brake.

A towing speed of 30 mph (50 km/h)

must not be exceeded.

Switch on the vehicle; the steering wheel lock-

ing may otherwise engage.

#

A towing distance of 30 miles (50 km)

must not be exceeded.

Vehicles with automatic transmission: Do not

open the driver's door or front passenger

door; the transmission otherwise automati-

cally shiꢀs to position j.

&

WARNING Risk of accident due to limited

safety-related functions during the towing

process

&

WARNING Risk of accident when towing a

vehicle which is too heavy

#

Install the towing eye (/ page 288).

Safety-related functions are limited or no lon-

ger available in the following situations:

If the vehicle to be tow-started or towed away

is heavier than the permissible gross mass of

your vehicle, the following situations can

occur:

Fasten the towing device.

R

The vehicle is switched oꢁ.

*

NOTE Damage due to incorrect connec-

tion of the tow bar

R

The brake system or power steering sys-

tem is malfunctioning.

R

The towing eye may become detached.

#

Only connect the tow rope or tow bar to

the towing eyes.

R

The energy supply or the on-board electri-

cal system is malfunctioning.

R

The vehicle/trailer combination may

swerve or rollover.

When your vehicle is towed away, signiꢂcantly

more eꢁort may be required to steer and

brake than is normally required.

#

Deactivate the automatic locking mechanism

(/ page 72).

#

Before tow-starting or towing away,

check if the vehicle to be tow-started or

towed away exceeds the permissible

gross mass.

#

Do not activate the HOLD function.

#

Use a tow bar.

Deactivate the tow-away alarm (/ page 86).

Deactivate Active Brake Assist (/ page 179).

#

Make sure that the steering wheel can

move freely before towing the vehicle

away.

If a vehicle must be tow-started or towed away, its

permissible gross mass must not exceed the per-

missible gross mass of the towing vehicle.

Vehicles wiith automatiicc transmisssion: Shiꢀ to

position i.

Breakdown assistance

287

#

Vehicles with automatic transmission: Shiꢀ

the automatic transmission to position j.

*

NOTE Damage due to excessive tractive

power

NOTE Damage to the vehicle from secur-

ing it incorrectly

Use the electric parking brake to secure the

vehicle against rolling away.

#

If you pull away sharply, the tractive power

may be too high and the vehicles could be

damaged.

Aꢀer loading, the vehicle must be

secured on all four wheels. Otherwise,

the vehicle could be damaged.

Only secure the vehicle by the wheels.

#

Pull away slowly and smoothly.

A minimum distance of 8 in (20 cm)

upwards and 4 in (10 cm) downwards

must be kept to the transport platform.

Vehicles with adaptive damping adjustment

&

WARNING Risk of an accident when trans-

porting vehicles with adaptive damping

adjustment

Loading the vehiclle for traansport

#

Secure the vehicle on all four wheels aꢀer

loading.

#

Observe the notes on towing away

(/ page 285).

When transporting vehicles with adaptive

damping adjustment, the vehicle/trailer com-

bination may begin to rock and start to skid.

4MATIC vehicles/vehicles with automatic trans-

mission

#

Connect the towing device to the towing eye

in order to load the vehicle.

#

Load the vehicle correctly onto the

transporter.

#

Vehicles with automatic transmission: Shiꢀ

the automatic transmission to position i.

#

Secure the vehicle on all four wheels

with suitable tensioning straps.

%

Vehicles with automatic transmission: The

automatic transmission may be locked in posi-

tion j in the event of damage to the electri-

cal system. To shiꢀ to i, provide the on-

board electrical system with power

(/ page 282).

#

Do not exceed the maximum permissible

speed of 35 mph (60 km/h) when trans-

porting.

#

Load the vehicle onto the transporter.

Breakdown assistance

288

#

Make sure that the front and rear axles come

to rest on the same transportation vehicle.

Installing and removing the towiing eye

*

NOTE Damage to the vehicle due to incor-

rect use of the towing eye or trailer hitch

When a towing eye or trailer hitch is used to

recover a vehicle, the vehicle may be damaged

in the process.

*

NOTE Damage to the drive train due to

incorrect positioning of the vehicle

#

Do not position the vehicle above the

connection point of the transport vehi-

cle.

#

Only use the towing eye or trailer hitch to

tow away or tow start the vehicle.

#

Do not use the towing eye or trailer hitch

to tow the vehicle during recovery.

Towing eye stoorage location

The towing eye is located in the stowage space

under the trunk ꢃoor.

Tow-starting the vehhicle

Vehicles wwith automattic transmission

*

NOTE Damage to the automatic transmis-

sion due to tow starting

#

Press the mark on cover 1 inwards and

remove.

The automatic transmission may be damaged

in the process of tow starting vehicles with

automatic transmission.

#

Screw in the towing eye clockwise as far as it

will go and tighten.

#

Vehicles with automatic transmission

must not be tow started.

#

Make sure that cover 1 engages in the

bumper when you remove the towing eye.

Breakdown assistance

289

#

Vehicles with an automatic transmission must

not be tow-started.

If the newly inserted fuse also blows, have the

cause traced and rectiꢂed at a qualiꢂed specialist

workshop.

#

Only use fuses that have been approved

by Mercedes-Benz and which have the

correct fuse rating.

Ensure the following before replacing a fuse:

Electrical fuses

Blown fuses must be replaced with fuses of the

same rating, which you can recognize by the color

and the label. The fuse ratings and further infor-

mation to be observed can be found in the fuse

assignment diagram.

R

The vehicle is secured against rolling away.

Notes on electrical fuses

R

All electrical consumers are switched oꢁ.

&

R

WARNING Risk of accident and injury due

to overloaded lines

The vehicle is switched oꢁ.

The electrical fuses are located in various fuse

boxes:

Fuse assignment diagram: on the fuse box in the

engine compartment (/ page 289).

If you manipulate or bridge a faulty fuse or if

you replace it with a fuse with a higher amper-

age, the electric line could be overloaded.

R

Fuse box in the engine compartment on the

leꢀ-hand side of the vehicle, when viewed in

*

NOTE Damage or malfunctions caused by

moisture

This could result in a ꢂre.

#

the direction of travel (/ page 289)

Always replace faulty fuses with speci-

ꢂed new fuses containing the correct

amperage.

R

Fuse box in the front passenger footwell

(/ page 290)

Moisture may cause damage to the electrical

system or cause it to malfunction.

R

Fuse box in the center of the trunk

(/ page 291)

#

When the fuse box is open, make sure

that no moisture can enter the fuse box.

*

NOTE Damage due to incorrect fuses

#

When closing the fuse box, make sure

that the seal of the lid is positioned cor-

rectly on the fuse box.

Electrical components or systems may be

damaged by incorrect fuses, or their function-

ality may be signiꢂcantly impaired.

Opening and closing thee fuse box in the engine

compartment

Requirements:

R

A dry cloth and a screwdriver are available.

Breakdown assistance

290

Observe the notes on electrical fuses

(/ page 289).

Closing

#

Check whether the seal is positioned correctly

in the lid.

Opening

#

Place the lid on the fuse box.

Make sure that clamps 2 engage.

Tighten screws 1.

&

WARNING Risk of injury from using the

windshield wipers when the hood is open

If the windshield wipers start moving when the

hood is open, you could be trapped by the

wiper linkage.

Close the hood.

Opening and closing the fuse box in thhe front

passenger foootwell

#

Always switch oꢁ the windshield wipers

and vehicle before opening the hood.

Observe the notes on electrical fuses

(/ page 289).

#

Open the hood.

#

Remove any existing moisture from the fuse

box using a dry cloth.

#

Loosen screws 1.

Press clamps 2 and liꢀ the fuse box lid up

and out.

The fuse assignment diagram is in a recess on the

side of the fuse box.

Breakdown assistance

291

Opening

Opening and closing the fuse box in thhe trunk

Observe the notes on electrical fuses

(/ page 289).

#

Open the trunk ꢃoor .

#

Liꢀ carpet 1 in the direction of the arrow.

Fuse box 1 is located in the center underneath

the trunk ꢃoor.

#

Loosen screws 2 and remove the fuse box

lid from the top.

Closing

#

Place the lid on the fuse box.

#

Tighten screws 2.

Fold back the carpet.

Breakdown assistance for Your Mercedes A Class 4 Door Third Generation (2018-2026)

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