Connector Locations

Trailer Hitch Connector Assignment

Control unit connection
Trailer hitch control unit







A Slot for plug A, 16-pin
B Slot for plug B, 12-pin
C Slot for plug C, 12-pin (only optional feature)

Plug A, wiring harness of trailer hitch control unit

Pin 1 - 16:

Plug B, wiring harness of trailer hitch control unit

Pin 1 - 12:

Plug C, wiring harness of trailer hitch control unit (only for optional feature: Electrical folding/outwardly pivoting trailer hitch

Pin 1 - 12:

Hitch connection
Trailer socket, 13-pin

Pin 1 - 13:

Plug on wiring harness for (trailer) socket, 7-pin (North America only)

Pin 1 - 7:

Trailer socket, 7-pin (only in parts of North America)

Pin 1 - 7:

Plug on instrument panel wiring harness for trailer electrical brakes control unit (retrofit, only NAR, North America)

Pin 1 - 4: