Checking The Brakepad Thickness; Cleaning And Care - Mercedes-Benz A-Class 2021 Operator's Manual

Checking the brakepad thickness

Bring the vehicle and wheels into a suitable
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position so that you can position the gauge.
% The position to place gauge 3
the equipment. Depending on the brake cali‐
per used, correct point 3 is either in the
middle or at the side on the upper end of the
brakepad.
Switch off the engine.
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Secure the vehicle against rolling away.
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Take the gauge out of the vehicle document
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wallet in the glove box.
Place the gauge between the wheel's spokes
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in position 3 on the brakepad.
Hold the gauge vertically to the brake disc
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and slide measuring pin
1.
Check which color field
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measuring pin is pointing to.
Green: the brakepad thickness is sufficient.
Red: the brakepad thickness is not sufficient.
Have the brakepads checked at a qualified
specialist workshop.
% To avoid an inaccurate measurement:
Make sure the wheels are suitably posi‐
R
tioned.
depends on
In the case of perforated brake discs, do
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not put the measuring pin on one of the
bores in the brake disc.

Cleaning and care

Notes on washing the vehicle in a car wash
& WARNING Risk of accident due to
reduced braking effect after washing the
vehicle
The braking effect is reduced after washing
the vehicle.
2 onto brake disc
After the vehicle has been washed,
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brake carefully while paying attention to
4 the arrow on
the traffic conditions until the braking
effect has been fully restored.
* NOTE Damage from automatic braking
If one of the following functions is switched
on, the vehicle brakes automatically in cer‐
tain situations:
Active Brake Assist
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Active Distance Assist DISTRONIC
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HOLD function
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Active Parking Assist
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Maintenance and care 257