LI63.20-P-076328

Noise From Area of B-pillar When Driving on Rough Terrain
Topic number
LI63.20-P-076328
Version
1
Function group
63.20 - Pillars
Date
7/11/23
Validity
Model series 118
Reason for change
Complaint
Cracking and creaking noise from area of inner B-pillar when driving on rough terrain.
Cause
Spot welds in the area of the inner B-pillar could cause noises due to tension or contact of the sheet metal.
Remedy
1.
2.
3.
4.
5.
6.
7.
8.
9.
Park vehicle in the sun/heat and allow it to warm up.
Then perform a test drive; the noise complaints must be reproducible.
Remove upper B-pillar trim.
Mark the position of the bore in the upper area of the B-pillar with the aid of the spacer disk.
Drill through the sheet metal.
Push the hexalobular bolt through the bore, attach the spacer disk and fasten it completely with the nut-and-washer assembly. The two sections of sheet metal are firmly pressed together during fastening.
Perform a test drive and check the effectiveness.
Reproduce the anticorrosion protection in the working area according to manufacturer specifications.
Install remaining parts.
Attachments
File
Description
Remedy for B-pillar noise complaint.pdf
Repair Instructions for B-Pillar Noise Complaint
WIS-References
Document number
Title
Note
AR68.30-P-4705MFA
Remove/install B-pillar trim
Repair B-pillar
Symptoms
Body > Body/Cab > Body noises > Cracking/creaking
Parts
Part number
ES1 ES2 Designation
12.07.2023 15:27:41
© Copyright Mercedes-Benz AG
Quantity Note
RROWELL
EPC
Page 1 / 2
A2103570152
Shim
1
X
N000000001478
Hexalobular bolt
1
X
Combined nut/washer
1
X
N9130230060
01
64
Operation numbers/damage codes
Op. no.
Operation text
631410
Damage
code
Note
Repair left B-pillar
63B2136
According to findings
631411
Repair right B-pillar
63P2136
According to findings
681082
Remove/install vehicle interior trim at
upper B-pillar
12.07.2023 15:27:41
© Copyright Mercedes-Benz AG
Time
According to findings
RROWELL
Page 2 / 2