Mercedes-Benz 2013 GLS Class - Manual (Page 212)

One or more segments light up as the vehicle
approaches an obstacle, depending on the
vehicle's distance from the obstacle.
From the:
R
sixth segment onwards, you will hear an
intermittent warning tone for approx-
imately two seconds
R
seventh segment onwards, you will hear a
warning tone for approximately two sec-
onds. This indicates that you have now
reached the minimum distance.
Deactivating/activating PARKTRONIC
:
Indicator lamp
;
To deactivate/activate PARKTRONIC
If indicator lamp : lights up, PARKTRONIC is
deactivated. Active Park Assist is then also
deactivated.
i PARKTRONIC is automatically activated
when you turn the key to position 2 in the
ignition lock.
Towing a trailer
!
Fold in the ball coupling if the trailer tow
hitch is not required. PARKTRONIC meas-
ures the minimum detection range to an
obstacle from the bumper, not the ball cou-
pling.
PARKTRONIC is deactivated for the rear area
when you establish an electrical connection
between your vehicle and a trailer.
210
Driving systems
Driving and parking