SmartKey
See also:
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 ...
Problems with the transmission
Problem
Possible causes/consequences and - Solutions
The transmission has
problems shifting gear.
The transmission is losing oil.
•► Have the transmission checked at ...
Tire pressure monitor warning
messages
If the tire pressure monitor detects a
significant pressure loss on one or more tires,
a warning message is shown in the
multifunction display. A warning tone also
sounds and the tire pressure ...
