See also:

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Clearing the memory of the integratedgarage door opener on the rear-viewmirror
► Turn the SmartKey to position 2 in the ignition lock. ► Press transmitter buttons 2 and 4. The indicator lamp lights up yellow. ► Press and hold transmitter buttons 2 and 4 ...

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 wh ...