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 .
Locking the vehicle
If the vehicle can no longer be centrally
locked with the SmartKey, use the
mechanical key.
► Close the front-passenger door, the rear
doors and the tailgate.
► Press the locking bu ...
Opening and closing the hinged side
windows
Important safety notes
WARNING
Make sure that nobody can become trapped
as you close the hinged side windows. If there
is a risk of somebody becoming trapped,
release the switch or push the switc ...
Brake fluid
WARNING
Over a period of time, the brake fluid absorbs
moisture from the air; this lowers its boiling
point.
If the boiling point of the brake fluid is too low,
vapor pockets may form in the br ...