General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.
Check the battery in the SmartKey and
replace it if necessary.
Unlock the driver's door using the
mechanical key.
Lock the vehicle.
Have the starter battery and the battery
contacts checked at a qualified specialist
workshop.
If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.
See also:
Snow chains
For safety reasons, Mercedes-Benz
recommends that you only use snow chains
which have been specially approved for your
vehicle by Mercedes-Benz, or are of a
corresponding standard of quality.
...
Calling up a stored setting
•► Press and hold the relevant storage
position button 1, 2 or 3 until the seat,
steering wheel and exterior mirrors are in
the stored position.
The setting procedure is interrupted as
...
Engine
Display messages
Possible causes/consequences and
Solutions
The coolant level is too low.
Add coolant, observing the warning notes when doing so.
If coolant nee ...
