See also:

Deactivating
- Press and hold the closing button in the tailgate until you hear two short tones. ...

Activating/deactivating the residual heat function
The residual heat function is only available in vehicles for Canada with automatic climate control. It is possible to make use of the residual heat of the engine to continue heating the stati ...

MB Info call button
– Press and hold MB Info call button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in MB Info call button 1 flashes ...