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:
Important safety notes
In order for the battery to achieve the
maximum possible service life, it must always
be sufficiently charged.
Have the battery checked regularly at a
qualified specialist workshop, such as an ...
Pelvis air bags
WARNING
Only use seat covers which have been tested and approved by Mercedes-Benz for
your vehicle model. Using seat covers or other seat coverings can cause a malfunction
of the side impact ...
Adjusting the lumbar support
You can adjust the contour of the front seats
so as to provide optimum support for your
back.
Move adjustment lever 1 in the
direction
of the arrow until the desired backrest
contour is ...
