LI54.71-P-072473

X247 code 233 - Blind Spot Assist inoperative (fault message in IC) - Fault code C110178
Topic number
LI54.71-P-072473
Version
3
Function group
54.71 - Camera and radar-assisted assistance systems
Date
3/29/21
Validity
X247 with code 233
Reason for change
Added instructions
Complaint
Only vehicles X247 with code 233
Messages in instrument cluster:
Blind Spot Assist inoperative and
Lane Keeping Assist inoperative and
Active Brake Assist inoperative
Fault code: C110178 (Malfunction in radar sensor. Incorrect adjustment or calibration.) logged in control unit B92/10.
Cause
Positioning of rear left radar sensor
Remedy
1.
2.
3.
4.
5.
6.
7.
8.
Remove rear bumper and check installation position of radar sensors
Remove cover of sensors (A2478856502, A2478856702)
Follow repair instructions in attachment (remove sensor, modify rear left sensor bracket, install sensor rotated by
180°, use foam to secure sensor in place)
Fit rear bumper. Do not reinstall covers (A2478856502, A2478856702)
Add AO code o54 with XENTRY
Perform SCN coding for rear left sensor
Reset learned values of rear left sensor
Perform calibration drive for rear radar sensors
Attachments
File
Description
Arbeitsanleitung_Reparatur_Radarsensor_X247.pdf
Instructions_Repair_Radar_Sensor_Bracket_X247_ENG.pdf
29.03.2021 20:51:50
© Copyright Mercedes-Benz AG
EDWMARK
Page 1 / 2
Symptoms
Lighting > Exterior lights > Driving lights > Adaptive Highbeam Assist > Warning message in instrument cluster
Communication/information > Assistance and warning systems > Blind spot assist > Warning message in instrument
cluster
Communication/information > Assistance and warning systems > Blind spot assist > Malfunction
Control unit/fault code
Control unit
Fault text
B92/10 - Left rear outer short range radar (NBR-LR)
C110178 - The radar sensor 1 has a malfunction. The adaptation or adjustment is incorrect.
Operation numbers/damage codes
Op. no.
Operation text
29.03.2021 20:51:50
© Copyright Mercedes-Benz AG
Time
EDWMARK
Damage
code
Note
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