See also:

Engine oil
Notes on the oil level Depending on the driving style, the vehicle consumes up to 0.9 US qts. (0.8 l) of oil over a distance of 600 miles (1000 km). The oil consumption may be higher than this ...

General notes
WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes- ...

Centrally locking and unlocking thevehicle from the inside
You can centrally lock or unlock the vehicle from the inside. The central locking/unlocking button does not lock or unlock the fuel filler flap. The buttons are located on both front doors. ...