See also:

Checking the oil level using the oil dipstick
Park the vehicle on a level surface. To check the oil level with the engine at normal operating temperature, switch the engine off and wait for approximately five minutes. Pull oil dipst ...

Transfer case
This section is only valid for vehicles with 4-wheel drive (4MATIC). Power is always transmitted to both axles. Performance tests may only be carried out on a 2-axle dynamometer. The brake ...

Important safety notes
WARNING If you tow the vehicle, you must use a rigid towing bar if: - the engine is not running. - there is a brake system malfunction. - there is a malfunction in the power supply or the veh ...