See also:

Checking the battery
Press the or button. The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, the battery is dischar ...

KEYLESS-GO
General information Vehicles with KEYLESS-GO are equipped with a SmartKey featuring an integrated KEYLESSGO function and a detachable Start/Stop button. The Start/Stop button must be inserted ...

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 ...