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:
Extending and retracting the cargo
compartment cover
– To extend: pull the cargo compartment
cover back by grab handle 1 and clip it
into retainers 2 on the left and right.
– To retract: unhook the cargo compartment
cover from retainers 2 on ...
Defrosting the windshield
You can use this function to defrost the windshield or to defrost the inside
of the windshield and the side windows.
You should only select the defrosting function until the windshield is clear ...
Cleaning genuine wood and trim
elements
– Wipe the wooden trim and trim pieces with
a damp, lint-free cloth, e.g. a microfiber
cloth.
– Heavy soiling: use car care and cleaning
products recommended and approved by
Mercedes-Benz.
...
