X Remove the spring cotter.
■ Remove the bolt from the ball coupling recess.
■ Remove the ball coupling from the ball coupling recess.
■ Clean the ball coupling if it is dirty.
Information on cleaning and care of the trailer tow hitch can be found at .
Program selector button
General notes
■ Briefly press program selector button 1.
The letter M appears in the multifunction
display. The manual drive program M is
activated.
Program selector button on AMG veh ...
Overview of driving safety systems
...
Setting the center air vents
1 Center air vent, left
2 Center air vent, right
3 Center vent thumbwheel, right
4 Center vent thumbwheel, left
■ To open/close: turn thumbwheels 3
and 4 to the right or left. ...