See also:

System self-test
The 42 indicator lamp illuminates when you: • turn the SmartKey to position 1 or 2 in the ignition lock • on vehicles with KEYLESS-GO, press the Start/Stop button once or twice The indicator ...

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 ...

Shift ranges
WARNING   Always wait until the procedure of shifting from HIGH RANGE to LOW RANGE – and from LOW RANGE to HIGH RANGE – has been entirely completed. During this procedure do not turn o ...