See also:

Checking tire pressure manually
To determine and set the correct tire pressure, proceed as follows: Remove the valve cap of the tire that is to be checked. Press the tire pressure gauge securely onto the valve. Read the tire ...

Removing the towing eye
  Loosen the towing eye and unscrew it.   Attach cover 1 to the bumper and press until it engages.   Place the towing eye in the vehicle tool kit. ...

Please bear the following in mind
Resetting the service interval display A qualified specialist workshop, e.g. an authorized Mercedes-Benz Center, will reset the service interval display after the necessary service work has bee ...