General notes
You can make a connection to the 13-pin socket on the ball coupling using an adapter or, if necessary, an adapter cable. Both can be obtained in a qualified specialist workshop.
Installing the adapter
Make sure that there is enough slack in the cable for cornering so that the cable cannot become detached.

► Open the socket cover.
► Insert the connector with lug 1 into groove 2 on the socket and turn the connector clockwise to the stop.
► Make the cover engage.
► If you are using an adapter cable, secure the cable to the trailer with cable ties.
When the socket is connected, the ultrasonic backing up aid is deactivated.
Driving safety systems overview
In this section, you will find information about
the following driving safety systems:
• ABS (Anti-lock Braking System)
• BAS (Brake Assist System)
• Adaptive brake lamps
• ESP® (Electro ...
Electric parking brake
General notes
WARNING
If you leave children unsupervised in the
vehicle, they could set it in motion by, for
example:
• releasing the parking brake
• shifting the automatic transmission out of
...
Adjusting the multicontour seat
1 To adjust the thigh cushion
2 To adjust the backrest contour in the
lumbar region
3 To adjust the backrest contour in the
upper back region
4 To adjust the side bolsters of the seat
backrest ...