Get Maintenance and care -> Cleaning and care Guide for Mercedes A Class 4 Door Third Generation (2018-2026)

Maintenance and care

264

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Keepiing the air-waterr duct free

Bring the vehicle and wheels into a suitable

position so that you can position the gauge.

To avoid an inaccurate measurement:

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Make sure the wheels are suitably posi-

tioned.

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Keep the area between the hood and the

windshield free of deposits, e.g. ice, snow and

leaves.

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The positioning of gauge 3 depends on the

vehicle equipment. The gauge is positioned at

point 3, which is located either in the center

of the brakepad or at the upper end to the

side, depending on the brake caliper.

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In the case of perforated brake discs, do

not put the measuring pin on one of the

bores in the brake disc.

Checking the brakeppad thickness

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Switch oꢀ the engine.

Cleaning and care

Secure the vehicle against rolling away.

Notes on washing thee vehiclee in a car wash

Take the gauge out of the vehicle document

wallet in the glove box.

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WARNING Risk of accident due to

reduced braking eꢀect aꢃer washing the

vehicle

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Place the gauge between the wheel's spokes

in position 3 on the brakepad.

The braking eꢀect is reduced aꢃer washing

the vehicle.

Hold the gauge vertically to the brake disc and

slide measuring pin 2 onto brake disc 1.

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Aꢃer the vehicle has been washed, brake

Check which color ꢁeld 4 the arrow on

measuring pin is pointing to.

Green: the brakepad thickness is suꢂcient.

carefully while paying attention to the

traꢂc conditions until the braking eꢀect

has been fully restored.

Red: the brakepad thickness is not suꢂcient.

Have the brakepads checked at a qualiꢁed

specialist workshop.

Maintenance and care

265

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neutral i is engaged.

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Ensure there is suꢂcient ground clear-

ance between the underbody and the

guide rails of the car wash.

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NOTE Damage from automatic braking

For vehicles with automatic transmission:

If you leave the vehicle while it is being

washed, make sure the SmartKey is loca-

ted in the vehicle. The park position j is

otherwise automatically engaged.

If one of the following functions is switched

on, the vehicle brakes automatically in certain

situations:

Ensure that the clearance width of the

car wash, in particular the width of the

guide rails, is suꢂcient.

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Active Brake Assist

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Active Distance Assist DISTRONIC

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If, aꢃer the car wash, you remove the wax

from the windshield and wiper rubbers, this

will prevent smearing and reduce wiper noise.

To avoid damage to your vehicle when using a car

wash, ensure the following beforehand:

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HOLD function

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Active Parking Assist

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Active Distance Assist DISTRONIC is deactiva-

ted.

Automatic car wash mode

To avoid damage to the vehicle, deactivate

these systems in the following or similar situa-

tions:

In car wash mode, the vehicle is prepared for driv-

ing into the automatic car wash. Car wash mode

can be activated at a speed of up to 12 mph

(20 km/h) Activate (/ page 266) .

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The HOLD function is switched oꢀ.

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The surround view camera or the rear view

camera is switched oꢀ.

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During towing

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In a car wash

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The side windows and sliding sunroof are com-

pletely closed.

The following settings are made when car wash

mode is activated:

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NOTE Damage due to unsuitable car wash

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The blower for the ventilation and heating is

switched oꢀ.

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The outside mirrors are folded in.

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Before driving into a car wash make sure

that the car wash is suitable for the vehi-

cle dimensions.

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To prevent the windshield washer system from

starting up automatically, the rain sensor is

deactivated.

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The windshield wiper switch is in position g.

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The SmartKey is at a minimum distance of

10 ꢃ (3 m) away from the vehicle. Otherwise,

the trunk lid could open unintentionally.

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The rear window wiper is deactivated.

The air conditioning system is set to air-recir-

culation mode.

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For car washes with a conveyor system:

Maintenance and care

266

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Parking Assist PARKTRONIC is deactivated.

Activatting/deactivating automatic car wash mode

Requirements:

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The vehicle is stationary.

The automatic car wash mode is automatically

deactivated as soon as a speed of 12 mph

(20 km/h) is exceeded.

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Vehicless with surround view camera: The front

image is activated aꢃer approx. eight seconds.

If one of the settings cannot be selected, this is

displayed by a % behind the respective set-

ting.

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The engine is running.

Notes on using a power washer

Multimedia system:

4

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WARNING Risk of an accident when using

power washers with round-spray nozzles

5

©

Settings

Quick Access

Above a speed of 12 mph (20 km/h) car wash

mode is automatically deactivated.

Activating automatiic carr wwash mode

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The water jet can cause externally invisible

damage.

The following settings are reset when car wash

mode is deactivated:

Select Automatic Car Wash Mode.

Select Start.

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Components damaged in this way may unex-

pectedly fail.

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The outside mirrors are folded out.

If one of the settings cannot be selected, this is

displayed by a % behind the respective set-

ting.

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The rain sensor is activated.

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Do not use a power washer with round-

spray nozzles.

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The rear window wiper is activated.

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The air conditioning system is set to fresh air

mode.

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Have damaged tires or chassis parts

replaced immediately.

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For an overview of the settings made when

activating automatic car wash mode

(/ page 264).

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Parking Assist PARKTRONIC is reset to the

previously selected setting.

To avoid damage to your vehicle, observe the fol-

lowing when using a power washer:

Deactivating automatic car wash mode

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Vehicles with surround view camera: The front

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Select Stop.

The automatic car wash settings are reset.

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The SmartKey is at a minimum distance of

10 ꢃ (3 m) away from the vehicle. Otherwise,

the trunk lid could open unintentionally.

image is deactivated at speeds above 11 mph

(18 km/h).

Maintenance and care

267

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Maintain a distance of at least 11.8 in (30 cm) Washing the vehicle by hand

to the vehicle.

Paint

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Insect remains: soak with insect remover and

rinse oꢀ the treated areas aꢃerwards.

*

NOTE Engine damage due to water ingress

Vehicles with decorative foil: Parts of your

vehicle are covered with a decorative foil.

Maintain a distance of at least 27.6 in (70 cm)

between the foil-covered parts of the vehicle

and the nozzle of the power washer. Move the

power washer nozzle around whilst cleaning.

The water temperature of the power washer

must not exceed 140°F (60°C).

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Bird droppings: soak with water and rinse oꢀ

aꢃerwards.

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Take care not to point the water jet

directly towards the air inlet grille below

the hood.

Tree resin, oils, fuels and greases: remove by

rubbing gently with a cloth soaked in petro-

leum ether or lighter ꢄuid.

Observe the legal requirements, e.g. in a number

of countries, washing by hand is only permitted in

specially designated wash bays.

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Coolant and brake ꢄuid: remove with a damp

cloth and clean water.

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Observe the information on the correct dis-

tance in the equipment manufacturer's oper-

ating instructions.

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Use a mild cleaning agent, e.g. car shampoo.

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Tar stains: use tar remover.

Wax: use silicone remover.

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Wash the vehicle with lukewarm water using a

soꢃ car sponge. When doing so, do not

expose the vehicle to direct sunlight.

Do not attach stickers, ꢁlms or similar materi-

als. Only have ꢁlm attached to the bumper at

a qualiꢁed specialist workshop.

Do not direct the nozzle of the power washer

directly at sensitive parts, such as tires, gaps,

electrical components, batteries, light sources

and ventilation slits.

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Carefully hose the vehicle oꢀ with water and

dry using a chamois.

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Remove dirt immediately, where possible.

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Observe the notes on the care of vehicle

parts (/ page 269).

Matte ꢁnish

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Only use care products approved for

Mercedes-Benz.

Notes on paintwork/matte ꢁnish paintwork care

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Do not attach stickers, ꢁlms or similar materi-

als. Only have ꢁlm attached to the bumper at

a qualiꢁed specialist workshop.

To avoid damaging the paintwork and interfering

with the driving assistance systems, please

observe the following notes:

Maintenance and care

268

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Do not polish the vehicle and alloy wheels.

Cleaning

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For cleaning, use plenty of water and a mild

Temperature, e.g. hot air blower

Weather conditions

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Only use car washes that correspond to the

latest engineering standards.

cleaning agent without additives or abrasive

substances, e.g. a car shampoo approved for

Mercedes-Benz.

Stone chippings and dirt

Chemical cleaning agents

Oily products

Do not use car wash program with a ꢁnal hot

wax treatment.

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Remove dirt immediately, where possible,

whilst avoiding rubbing too hard. There is oth-

erwise a risk of damaging the decorative foil

irreparably.

Do not use paint cleaners, buꢂng or polishing

products, gloss preservers, e.g. wax.

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Do not use polish on matte decorative foil.

Polishing will have the eꢀect of shining the

foil-wrapped surface.

In the event of paintwork damage:

If there is dirt on the ꢁnish or if the decorative

foil is dull: Use the Paint Cleaner recommen-

ded and approved for Mercedes-Benz.

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Always have paintwork repairs carried out at a

qualiꢁed specialist workshop.

Do not treat matte or structured decorative

foils with wax. Permanent stains may occur.

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Make sure the radar sensors function

(/ page 155).

Scratches, corrosive deposits, areas aꢀected by

corrosion and damage caused by incorrect care

cannot always be completely repaired. In such

cases, visit a qualiꢁed specialist workshop.

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Insect remains: Soak with insect remover and

rinse oꢀ the treated areas aꢃerwards.

Bird droppings: Soak with water and rinse oꢀ

aꢃerwards.

Notes on cleaning decorative foils

You can obtain more information on care and

cleaning products from the manufacturer.

Observe the notes on matte ꢁnish care in the

chapter "Notes on paintwork/matte ꢁnish paint-

work care" (/ page 267). They also apply to

matte decorative foils.

To prevent water stains, dry a foil-wrapped

vehicle with a soꢃ, absorbent cloth aꢃer every

car wash.

In the case of foil-wrapped surfaces, optical diꢀer-

ences may occur between the surfaces that were

not protected by a decorative foil aꢃer removing a

decorative foil.

Avoiding damage to the decorative foil

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The service life and color of decorative foils

Observe the notes on cleaning decorative foils to

avoid vehicle damage.

are impaired by:

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Sunlight

Maintenance and care

269

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Have work or repairs to decorative foils car-

ried out at a qualiꢁed specialist workshop,

e.g. in an authorized Mercedes-Benz Center.

Do not use dry cloths or abrasive or solvent-

based cleaning agents to clean the inside of

windows.

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Always be particularly careful around the

tailpipe and the tailpipe trims and super-

vise children especially closely in this

area.

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Aꢃer changing the wiper blades or treating

the vehicle with wax, clean the windshield

thoroughly with cleaning agents recommen-

ded for Mercedes-Benz. Failure to observe the

application instructions may result in damage,

smear marks or blinding spots.

Notes on care of vehicle parts

Allow vehicle parts to cool down before

touching them.

&

WARNING Risk of entrapment if the wind-

shield wipers are switched on while the

windshield is being cleaned

To avoid damage to the vehicle, observe the notes

on cleaning and care of the following vehicle

parts:

%

Remove external fogging or dirt on the wind-

shield in front of the multifunction camera.

Otherwise, driving systems and driving safety

systems may be impaired or not available

(/ page 155).

If the windshield wipers are set in motion

while you are cleaning the windshield or wiper

blades, you can be trapped by the wiper arm.

Wheels and rims

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Use water and acid-free alloy wheel cleaners.

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Always switch oꢀ the windshield wipers

and the vehicle before cleaning the wind-

shield or wiper blades.

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Do not use acidic alloy wheel cleaners to

remove brake dust. This could damage wheel

bolts and brake components.

Wiper blades

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Move the wiper arms into the replacement

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To avoid corrosion of the brake discs and

position (/ page 119).

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WARNING Risk of burns from the tailpipe

and tailpipe trims

brakepads, drive the vehicle for a few minutes

aꢃer cleaning before parking it. The brake

discs and brakepads warm up and dry out.

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With the wiper arms folded out, clean the

wiper blades with a damp cloth.

The exhaust tailpipe and tailpipe trims can

become very hot. If you come into contact

with these parts of the vehicle, you could burn

yourself.

Windows

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Clean the windows inside and outside with a

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Make sure that the wiper blades are coated.

The coating can leave residues on a cloth. Do

not rub the wiper blades excessively or clean

them too oꢃen.

damp cloth and with a cleaning agent recom-

mended for Mercedes-Benz.

Maintenance and care -> Cleaning and care for Your Mercedes A Class 4 Door Third Generation (2018-2026)

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