Resetting
Reset the sliding sunroof if it does not move smoothly.
Turn the SmartKey to position 2 in the
ignition lock.
Raise the sliding sunroof fully at the rear.
Keep the 
switch pressed for
another
second.
Make sure that the sliding sunroof can be
fully opened and closed again.
If this is not the case, repeat the steps
above again.
If the sliding sunroof still cannot be
opened or closed fully after resetting,
contact a qualified specialist workshop.
See also:
Floormat on the driver's side
WARNING
Whenever you are using a floormat, make sure there is enough clearance and that
the floormat is securely fastened.
The floormat should always be securely fastened using the fastening ...
Problems with your vehicle
If you should experience a problem with your
vehicle, particularly one that you believe may
affect its safe operation, we urge you to
contact an authorized Mercedes-Benz Center
immediately to ...
Problems with the seat heating
The seat heating has switched off prematurely or cannot be switched on. The vehicle's
electrical system voltage is too low because too many electrical consumers are switched
on.
X Switch off ...