Unlocking the driver's door (mechanical key)
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered.
Take the mechanical key out of the
SmartKey.
Insert the mechanical key into the lock of
the driver's door as far as it will go.
Firmly turn the mechanical key
counterclockwise as far as it will go to
position 1 and hold it in this position.
Pull the door handle quickly.
The locking knob pops up.
The door is unlocked.
Turn the mechanical key back and remove
it.
Pull the door handle again.
Insert the mechanical key into the
SmartKey.
See also:
Prerequisite
The SatRadio mode described below
requires optional satellite radio equipment
and a subscription to SIRIUS XM Satellite
Radio Traffic Message Service. Further
details on SatRadio are availabl ...
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 ...
Stowage compartments in the rear
Stowage compartment in the rear
Do not sit or lean your bodyweight on the armrests when they are folded out
as you could damage them.
Close the cover of the stowage compartment before foldin ...