Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected.
If the battery voltage is too low, the seat ventilation may switch off.

•► Make sure that the SmartKey is in position 2 in the ignition lock.
•► To switch on: press button 1 repeatedly until the desired ventilation level is set.
You can open the side windows and the sliding sunroof using the "Convenience opening" feature. The seat ventilation of the driver's seat automatically switches to the highest level.
To switch off: press button 1 repeatedly until all the indicator lamps go out.
See also:
Stowing a used collapsible spare wheel
Take the following steps to stow a used
collapsible spare wheel. It will otherwise not
fit in the spare wheel well. Mercedes-Benz
recommends that you have this work carried
out at a qualified ...
Trailer power supply
The trailer socket of your vehicle is equipped at the factory with a permanent
power supply. The permanent power supply is supplied via trailer socket pin 4.
You can connect accessories with a m ...
General information
If you cannot lock or unlock the vehicle with
the SmartKey, either the battery in the
SmartKey is discharged, the SmartKey is
faulty or the starter battery is discharged.
► Check the battery ...
