Mercedes-Benz B-Class 2011 Owner's Manual page 168

The gear lever position or the transmission
position of the automatic transmission and
the direction in which the vehicle is rolling
determine which warning display is active
when the engine is running.
Manual transmission:
Gear lever posi-
tion
Forwards gear
or
Neutral
Reverse gear, or
the vehicle is rolling
backwards
Automatic transmission:
Transmission
position
D
R, N or the vehicle
is rolling back-
wards
P
One or more segments light up as the vehicle
approaches an obstacle, depending on the
vehicle's distance from the obstacle.
From the:
sixth segment onwards, you will hear an
R
intermittent warning tone for approx-
imately two seconds.
seventh segment onwards, you will hear a
R
warning tone for approximately two sec-
onds. This indicates that you have now
reached the minimum distance.
Warning display
Front area activated
Rear and front areas
activated
Warning display
Front area activated
Rear and front areas
activated
No areas activated
Deactivating/activating PARKTRONIC
Indicator lamp
:
To deactivate/activate PARKTRONIC
;
If indicator lamp : lights up, PARKTRONIC is
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.
Driving systems
165
Z