Mercedes-Benz C-Class Saloon 2022 Owner's Manual page 182

Advice on driving on salt-strewn roads
The braking effect is limited on salt-strewn road
surfaces.
Therefore, observe the following notes:
Due to salt build-up on the brake disks and
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brake pads, the braking distance can increase
considerably or result in one-sided braking.
Maintain a much greater safety distance to the
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vehicle travelling ahead.
Remove salt build-up as follows:
Brake occasionally, paying attention to the
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traffic conditions
Carefully depress the brake pedal at the end
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of the journey and when starting the next jour-
ney
Notes on aquaplaning
Aquaplaning can take place if a certain depth of
water has built up on the road surface.
Observe the following notes during heavy precipi-
tation or in conditions in which aquaplaning may
occur:
Reduce speed
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Avoid tyre ruts
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Avoid sudden steering movements
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Brake carefully
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Also observe the notes on regularly checking
wheels and tyres ( page 421).
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Notes on driving through water on the road
Water ingress can damage the engine, electrics
and transmission.
Water can also enter the air intake of the engine
and cause engine damage.
Observe the following if you have to drive through
water:
The water, when calm, may reach no higher
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than the lower edge of the vehicle body.
Drive at walking speed at most; water can oth-
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erwise enter the vehicle interior or the engine
compartment.
Vehicles travelling ahead, or oncoming vehi-
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cles, can create waves which may exceed the
maximum permissible depth of the water.
The braking effect of the brakes is reduced after
fording. Brake carefully, paying attention to the
Driving and parking 179
traffic conditions until braking power has been
fully restored.
Function of rear axle steering
The rear axle steering is an electromechanical
auxiliary steering on the rear axle which adjusts
the steering of the rear wheels according to the
position of the front wheels, depending on the
speed. This results in greater manoeuvrability and
improved driving stability, e.g. when cornering.
ECO start/stop function
▌ECO start/stop function
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Plug-in hybrid: this function is not available.
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Depending on the engine, the ECO start/stop
function is not available in all drive programs.
Observe the status display on the driver's dis-
play concerning this.