Mercedes-Benz S-Class Owners Manual

See also:

Fuel grade
You should only refuel with premiumgrade unleaded gasoline, as this avoids damaging the catalytic converter. Flexible fuel vehicles, identifiable from the label inside the fuel filler flap, ...

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. ...

Direction of rotation
Tires with a specified direction of rotation have additional benefits, e.g. if there is a risk of hydroplaning. You will only gain these benefits if the correct direction of rotation is maintained ...