Range Of The Sensors - Mercedes-Benz GLA 250 2019 Operator's Manual

Driving systems
172
objects when they are in the immediate
vicinity of the vehicle. You could damage the
vehicle or the objects.
The sensors may not detect snow and other
objects that absorb ultrasonic waves.
Ultrasonic sources such as an automatic car
wash, the compressed-air brakes of a truck
or a pneumatic drill could cause Parking
Assist PARKTRONIC to malfunction.
Parking Assist PARKTRONIC may not func-
tion correctly on uneven terrain.
Parking Assist PARKTRONIC is activated auto-
matically when you:
switch on the ignition
R
shift the transmission to position h, k or
R
i
Parking Assist PARKTRONIC is deactivated at
speeds above 11 mph (18 km/h). It is reacti-
vated at lower speeds.

Range of the sensors

General notes
Parking Assist PARKTRONIC does not take into
account obstacles located:
below the detection range, such as persons,
R
animals or objects
above the detection range, e.g. overhanging
R
loads, tail sections or loading ramps of
trucks
Sensors in the front bumper, left-hand side
:
(example)
The sensors must be free from dirt, ice or
slush. They can otherwise not function cor-
rectly. Clean the sensors regularly, taking care
not to scratch or damage them (
Range
Detection range of front sensors
:
Detection range of rear sensors
;
Front sensors
Center
Corners
Rear sensors
Center
Corners
Minimum distance
Center
Corners
If an obstacle is detected within this range, the
relevant warning displays light up and a warn-
ing tone sounds. If the distance falls below the
page 282).
Y
minimum, the distance may no longer be
shown.
Approx. 40 in (approx.
100 cm)
Approx. 24 in (approx.
60 cm)
Approx. 48 in (approx.
120 cm)
Approx. 32 in (approx.
80 cm)
Approx. 8 in (approx.
20 cm)
Approx. 6 in (approx.
15 cm)