See also:

Fuel requirements
Gasoline engines Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Researc ...

Unlocking and opening doors from the inside
You can open a door from inside the vehicle even if it has been locked. You can only open the rear doors from inside the vehicle if they are not secured by the child-proof locks. Only open the ...

Cleaning the headliner and carpets
Roof lining: use soft brushes or dry shampoo if it is particularly dirty. Carpets: use carpet and textile cleaners that have been approved and recommended by Mercedes-Benz. ...