See also:

Trailer power supply
The trailer socket of your vehicle is equipped at the factory with a permanent power supply. The permanent power supply is supplied via trailer socket pin 4. You can connect accessories with a m ...

Transfer case
The vehicle has permanent 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 system or transfer ca ...

Deactivating DISTRONIC PLUS
There are several ways to deactivate DISTRONIC PLUS: •► Briefly press the cruise control lever forwards 1. or•► Brake, unless the vehicle is stationary. When you deactivate DIS ...