Mercedes-Benz M-Class Owner's Manual page 195

Driving systems
192
vehicle. You could damage the vehicle or
the objects.
The sensors may not detect snow and
objects which absorb ultrasonic sources.
Ultrasonic sources, such as an automatic
car wash, a lorry's compressed-air brakes
or a pneumatic drill, could cause PARK-
TRONIC to malfunction.
PARKTRONIC may not function correctly on
uneven terrain.
Minimum distance
Centre
Corners
If there is an obstacle within this range, the
relevant warning displays light up and a warn-
ing tone sounds. If the distance falls below
the minimum, the distance may no longer be
shown.
Warning displays
The warning displays show the distance
between the sensors and the obstacle. The
warning display for the front area is located
on the dashboard above the centre air vents.
The warning display for the rear area is in the
roof lamp in the rear compartment.
Warning display for the front area
Segments on the left-hand side of the
:
vehicle
Segments on the right-hand side of the
;
vehicle
Segments showing operational readiness
=
approximately 20 cm
approximately 15 cm
The warning display for each side of the vehi-
cle is divided into five yellow and two red seg-
ments. PARKTRONIC is operational if yellow
segments showing operational readiness =
light up.
The selected transmission position and the
direction in which the vehicle is rolling deter-
mine which warning display is active when the
engine is running.
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.
Deactivating/activating PARKTRONIC
Indicator lamp
:
To deactivate/activate PARKTRONIC
;
Warning display
Front area activated
Rear and front areas
activated
No areas activated