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.

Turn the mechanical key
counterclockwise to position 1.
The door is unlocked.
Turn the mechanical key back and
remove it.
Insert the mechanical key into the
SmartKey.
See also:
Vehicles with a TIREFIT kit
► Lift the cargo compartment floor up.
1 Jack
2 Towing eye
3 Ratchet wrench
4 Alignment bolt
5 Fuse allocation chart
6 Folding wheel chock
7 Lug wrench ...
Activating the rear view camera
•► Make sure that the SmartKey is in position
2 in the ignition lock.
•► Make sure that the "rear view camera"
function is selected in COMAND (see the
separate operating i ...
Styling
Like the ML350, the silver ML550 I tested had a big, bold grille with a large
three-pointed star in it. This predominant feature lets everyone on the road
know some money was spent on this SUV. I' ...
