Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the SmartKey, use the mechanical key.
Open the driver's door.
Close the front-passenger door, the
rear doors and the trunk lid.
Press the locking button.
Check whether the locking knobs on
the front-passenger door and the rear doors are still visible. Press down the
locking knobs by hand, if necessary.
Close the driver's door.
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
clockwise as far as it will go to position 1.
Turn the mechanical key back and
remove it.
Make sure that the doors and the
trunk lid are locked.
Insert the mechanical key into the
SmartKey.
If you lock the vehicle as
described above,
the fuel filler flap is not locked. The antitheft
alarm system is not armed.
See also:
Driving systems
Problem
Possible causes/consequences and
Solutions
The red
distance warning lamp lights up while the vehicle is in motion. A
warning tone also sounds.
Risk of accide ...
Fuel requirements
Use only premium-grade unleaded gasoline.
The octane number should be at least 91.
Details can be found on the gas pump. The
octane number is the average value of the
Research Octane Number (RON ...
Styling
Riding lower than a crossover but looking sleeker than a minivan, the R-Class
might best be described as a large wagon. It's nearly as long as Mercedes'
flagship S-Class full-size sedan, but wider ...