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:
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.
...
Through-loading facility in the rear
compartment
WARNING
Do not transport any unsecured items in the
through-loading area.
The through-loading facility is opened from
the trunk.
•► Fold down the rear seat armrest.
•► Press ...
Tread wear
The tread wear grade is a comparative rating based on the wear rate of the tire
when tested under controlled conditions on a specified U.S. government course. For
example, a tire graded 150 would ...