LI54.65-P-068092

Warnings without obvious cause from
front parking sensors in AMG vehicles
Topic number
LI54.65-P-068092
Version
1
Function group
54.65 Parking assist
Date
05-14-2018
Validity
166, 292 with AMG model designation
Reason for change
Reason for block
Complaint:
In AMG vehicles warnings may be issued without obvious cause (optical and acoustic) from the front parking sensors,
mainly on the right-hand side.
Cause:
Possibly SCN coding in control unit of "N62" parking system relative to sensor sensitivity.
The reasons stated below may lead to problems that must be noted:
1. Accessories license plate number frame mounted to front bumper.
2. Front license plate number incorrectly aligned.
3. Furthermore, removable accessories that are located in the range of the PARKTRONIC sensors.
4. Reduced vehicle driving height, which results in echoes from the ground.
5. Snow, slush, hailstones, sleet, heavy rain.
6. A gush of water that runs over the vehicle hood and down the parking sensors when braking.
7. Sensors badly soiled.
8. External ultrasonic sources such as air brake systems, compressed-air hammer, brake squeals from a vehicle in
the immediate vicinity, etc.
9. In underground electric induction loops, at traffic lights or in parking garages.
10. Waste heat from overheated engines (exhaust) form in front of vehicle when it is at a standstill.
Remedy:
Perform SCN coding again in the "N62" parking system control unit (optimized sensor thresholds).
The workshop technician should examine the PARKTRONIC sensors thoroughly for malfunctions, cleanliness and
correct orientation.
If the problem is not solved by the SCN coding and no other cause is determined, please create a PTSS case including quick test, printout of actual value indicating which sensor is reading in an object, control units log from N62 control unit, and picture of the sensor installation.
05-14-2018 3:21 PM
© Copyright Daimler AG
JCAMARE
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Symptoms
Communication/information / Warning and control system / Parking assist / PARKTRONIC / Malfunction of displays /
Operates without obvious cause
Communication/information / Warning and control system / Parking assist / PARKTRONIC / Acoustic warning malfunction / Operates without obvious cause
Operation numbers/damage codes
Op. no.
Operation text
54-0650
ON-BOARD POWER SUPPLY MAINTAIN
54-1011
PERFORM QUICK TEST
54-0992
PERFORM SCN CODING OF CONTROL UNIT N62
05-14-2018 3:21 PM
© Copyright Daimler AG
Time
Damage
code
Note
54687 90
JCAMARE
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