See also:

Vehicles with manual transmission
•► Shift to either first gear or reverse gear R.•► Turn the SmartKey to position 0 in the ignition lock and remove it. The immobilizer is activated.•► Apply the parking brake f ...

Locking the vehicle
If the vehicle can no longer be locked with the SmartKey, you can lock it by taking the following steps. If the central locking in the vehicle is malfunctioning, you cannot lock the trunk. P ...

Snow chains
For safety reasons, Mercedes-Benz recommends that you only use snow chains which have been specially approved for your vehicle by Mercedes-Benz, or are of a corresponding standard of quality. ...