Mercedes-Benz GLC 200 4MATIC Owner's Manual page 315

312 Driving and parking
Wait until the ball neck has reached the
#
swung-out position with a clear locking noise.
When indicator lamp 1 is continuously lit, the
ball neck is securely locked in place.
If the ball neck is not securely locked in place,
indicator lamp 1 will flash and the message
Trailer coupling Check lock
driver's display.
Retracting the ball neck fully electrically
Pull button 2.
#
Indicator lamp
Trailer coupling in motion
driver's display.
The ball neck will retract fully electrically.
will appear on the
Wait until the ball neck has reached the
#
swung-in locked position.
When indicator lamp
neck is securely locked in place.
If the ball neck is not securely locked in place,
indicator lamp
Trailer coupling Check lock
driver's display.
Observe the information about the displays on the
driver's display:
Indicator and warning lamps (
R
Display messages (
R
1 will flash and the message
will appear on the
1 goes out, the ball
1 will flash and the message
will appear on the
page 538)
/
page 458)
/
Coupling up/uncoupling a trailer
& WARNING Risk of injury due to a change
in vehicle level
Vehicles with level control system: the vehicle
level may be changed unintentionally, e.g. by
other persons. If you couple or uncouple the
trailer during this time, you may become trap-
ped. In addition, other people could become
trapped if their limbs are between the vehicle
body and the tyres or underneath the vehicle.
Observe the following when coupling or
uncoupling:
Do not open or close any doors or the
#
tailgate.
Do not initiate the level control system
#
and do not operate the DYNAMIC
SELECT switch.
Do not lock or unlock the vehicle.
#
Requirements:
The ball neck is extended and engaged in a
R
securely locked position.