See also:

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 ...

Setting the time/date format
Select Vehicle in the main function bar by turning the COMAND controller and press to confirm. Select System by turning the COMAND controller and press to confirm. Select Time b ...

General notes
If the vehicle can no longer be locked or unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door or the trunk lid, the anti-the ...