See also:

Switching on the manual drive program
The manual drive program is only available for AMG vehicles. Manual drive program M is different from drive program S with regard to spontaneity, responsiveness and smoothness of gear changes ...

Changing the settings of the locking system
You can change the setting of the locking system in such a way that only the driver's door and the fuel filler flap are unlocked. This is useful if you frequently travel on your own. To change ...

Problems with the SmartKey
Problem Possible causes/consequences and Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged. - ...