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:
SUV environment with the comfort of a luxury saloon
The modern Mercedes-Benz definition of the appropriate interior of an SUV
becomes evident as soon as the pleasantly high seating position is accessed via
the wide-opening doors. The spacious, brig ...
Brake fluid level
If you notice that the brake fluid level in
the brake fluid reservoir has fallen to the
MIN mark or less, check the brake system
immediately for leaks. Also check the
thickness of the bra ...
Points to observe before use
The sockets can be used for accessories, e.g.
lamps or mobile phone chargers with a
maximum current draw of 180 W (15 A).
If you use the sockets for long periods when
the engine is switched off, ...
