Mercedes-Benz CLA 2020 Operator's Manual page 139

To remove salt build-up:
Brake occasionally while paying attention to
R
the traffic conditions
Carefully depress the brake pedal at the end
R
of the journey and when starting the next
journey
Notes on hydroplaning
Hydroplaning can take place once a certain
amount of water has accumulated on the road
surface.
Observe the following notes during heavy precip‐
itation or in conditions in which hydroplaning
may occur:
Reduce speed
R
Avoid tire ruts
R
Avoid sudden steering movements
R
Brake carefully
R
% Also observe the notes on regularly checking
wheels and tires ( page 422).
/
Notes on driving through water on the road
surface
Water which has entered into the vehicle 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 must drive through
water:
The water, when calm, may only reach the
R
lower edge of the vehicle body
Drive at walking pace at most, otherwise
R
water can enter the vehicle interior or engine
compartment
Vehicles traveling in front, or oncoming vehi‐
R
cles, can create waves which may exceed the
maximum permissible height of the water
The braking effect of the brakes is reduced after
fording. Brake carefully while paying attention to
the traffic conditions until braking power has
been fully restored.
Driving and parking 137
ECO start/stop function
Operation of the ECO start/stop function
Mercedes-AMG vehicles: observe the notes in
the Supplement. Otherwise, you may fail to rec‐
ognize dangers.
The engine is switched off automatically in the
following situations if all vehicle conditions for
an automatic engine stop are met:
Vehicles with automatic transmission:
R
You brake the vehicle to a standstill in trans‐
mission position h or i.
Vehicles with automatic transmission:
If you switch on the HOLD function in transmis‐
sion position h or i, the engine will automati‐
cally stop in the following situations:
You stop behind a vehicle that is pulling
R
away.
You stop at a stop sign when there is no vehi‐
R
cle in front of you.
You turn the steering wheel hard at a low
R
speed.