See also:

Removing the mechanical key
•► Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey. ...

Please bear the following in mind
For safety reasons, Mercedes-Benz recommends that you only use Tires and wheels which have been approved by Mercedes-Benz specifically for your vehicle. These tires have been specially a ...

Resetting
Reset the sliding sunroof if it does not move smoothly. - Turn the SmartKey to position 1 or 2 in the ignition lock. - Raise the sliding sunroof fully at the rear. - Keep the switch pressed ...