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 wit ...

Driving tips
Observe the information on ESP® trailer stabilization (Y page 64) and on pulling away with a trailer. The maximum permissible speed for vehicle/ trailer combinations depends on the type of ...

Problems with the rear window defroster
The rear window defroster has deactivated itself prematurely or cannot be activated. •► Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the ...