General information
The program selector button allows you to choose between different driving characteristics.

Program selector button

For further information on the automatic drive program, see ().
- Press program selector button : repeatedly until the letter for the desired gearshift program appears in the multifunction display.
See also:
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.
- ...
Important safety notes
WARNING
When leaving the vehicle, always remove the SmartKey from the ignition lock.
Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised
in the vehicle ...
Safety
The 2012 M-Class was deemed a Top Safety Pick by the Insurance Institute for
Highway Safety, meaning it received the top score of Good in front- and
side-impact crash tests, as well as for roof st ...
