Mercedes-Benz E-Class Cabriolet 2018 Owner's Manual page 164

& WARNING Risk of accident when switch‐
ing off the ignition when driving
If you switch off the ignition while driving,
safety functions are restricted or no longer
available. This may affect the power steering
system and the brake force boosting, for
example.
You will then need to use considerably more
force to steer and brake.
Do not switch off the ignition while driv‐
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ing.
& DANGER Risk of fatal injuries due to
exhaust gases
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases is hazardous to health
and can lead to poisoning.
Never leave the engine running in an
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enclosed space without sufficient venti‐
lation.
& WARNING Risk of skidding and of an
accident due to shifting down on slippery
road surfaces
If you shift down on slippery road surfaces to
increase the engine braking effect, the drive
wheels may lose traction.
Do not shift down on slippery road sur‐
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faces to increase the engine braking
effect.
& DANGER Risk of fatal injuries due to poi‐
sonous exhaust gases
If the tailpipe is blocked or sufficient ventila‐
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter the vehi‐
cle. This is the case, for example, if the vehi‐
cle is stuck in snow.
When the engine or the stationary
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heater are running, keep the tailpipe
and the area around the vehicle clear of
snow.
Driving and parking 161
Open a window on the side of the vehi‐
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cle facing the wind to ensure an ade‐
quate supply of fresh air.
& WARNING Risk of accident due to the
brake system overheating
If you leave your foot on the brake pedal
when driving, the brake system may over‐
heat.
This increases the braking distance and the
brake system may even fail.
Never use the brake pedal as a footrest.
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Do not depress the brake pedal and the
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accelerator pedal at the same time
while driving.
* NOTE Causing wear to the brake linings
by permanently depressing the brake
pedal
Do not permanently depress the brake
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pedal while driving.