Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 197

Open a window on the side of the vehicle
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facing away from the wind to ensure an
adequate 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 overheat.
This increases the braking distance and the
brake system may even cause the brake sys-
tem failure.
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 Engine damage due to excessively
high engine speeds
The engine will be damaged if you drive with
the engine in the overrevving range.
Do not drive with the engine in the over-
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revving range.
* 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.
To use braking effect of the engine, shift
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to a lower gear in good time.
* NOTE Damage to the drivetrain and
engine when pulling away
Do not warm up the engine while the
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vehicle is stationary. Pull away immedi-
ately.
Avoid high engine speeds and driving at
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full throttle until the engine has reached
its operating temperature.
* NOTE Damage to the catalytic converter
due to non-combusted fuel
The engine is not running smoothly and is mis-
firing.
Non-combusted fuel may get into the catalytic
converter.
P223 0288 02
Driving and parking 195
Only depress the accelerator pedal
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slightly.
Have the cause rectified immediately at
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a qualified specialist workshop.
* NOTE Reduced battery life due to frequent
short-distance trips
The 12 V battery may not be sufficiently
charged when the vehicle is used only for
short-distance trips. This reduces the life of
the battery.
Drive longer distances regularly to
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charge the battery.
Notes on driving with a roof load, trailer or fully
laden vehicle
When driving with a loaded roof luggage rack or
trailer as well as with a fully laden or fully occu-
pied vehicle, the vehicle's driving and steering
characteristics change.