See also:

Socket in the rear-compartment center console
Example: vehicles with the smoker's package Lift up the cover of socket 1. ...

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

Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to ...