First read and observe the introductory information
and safety warnings 
Trailer stabilisation is a subsidiary function of the electronic stabilisation programme (ESC). The trailer stabilisation function can detect if an attached trailer is starting to lurch from side to side.
If a lurching motion is detected, the trailer stabilisation function automatically helps to reduce the trailer's rocking motion using counter steering assistance.
Requirements for trailer stabilisation
or
in the instrument cluster is not lit up.

WARNING

WARNING
Towing a trailer
Retrofitting a towing bracketRefrigerant circuit with expansion valve and evaporator
1 -
Evaporator
2 -
Expansion valve
3 -
Valve for extracting, charging and measuring
4 -
Receiver with dessicant bag or cartridge
...
Removing and installing washer fluid reservoir, »R«
Special tools and workshop equipment
required
Drip tray
Removing
–
Remove front right wheel
→ Running gear, axles, steering; Rep. gr.44.
â ...
Removing and installing control unit and hydraulic unit, RHD vehicles
Special tools and workshop equipment required
Torque wrench -V.A.G 1331-
Torque wrench -V.A.G 1410-
Brake pedal depressor -V.A.G 1869/2-
Sealing plugs, assemb ...