NHTSA ID Number: 10209878
Manufacturer Communication Number: LI65.10-P-074539
TSB/Document Date: 2022-04-05
Summary
Complaint It may not be possible to unlock the vehicle with the key. There may also be a complaint regarding water entry at the roof. Fault codes that concern the antenna module may be stored in the fault memory of the KEYLESS-GO control unit. Cause A crack may have developed in the roof panel at the rear left roof luggage carrier
pan (see picture 1) which may lead to water entry and a possible unexpected behavior of the radio remote control function of the central locking system. Remedy Follow prescribed procedures.
MY19+: Central locking system nonfunctional via key or water entry at roof
Topic number
LI65.10-P-074539
Version
1
Function group
65.10 - Roof paneling
Date
3/9/22
Validity
Model 463 facelift as of model year 2019 without sliding
sunroof (code F15) up to vehicle identification end number ...X362550
Reason for change
Complaint
It may not be possible to unlock the vehicle with the key. There may also be a complaint regarding water entry at the
roof.
Fault codes that concern the antenna module may be stored in the fault memory of the KEYLESS-GO control unit.
Cause
A crack may have developed in the roof panel at the rear left roof luggage carrier pan (see picture 1) which may lead
to water entry and a possible unexpected behavior of the radio remote control function of the central locking system.
Attachments
File
Description
Ziehriss Verortung.jpg
Picture 1
Remedy
Check whether a potential crack is present.
In the event of a crack, please proceed as follows:
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© Copyright Mercedes-Benz AG
ROTOOLE
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1.
2.
Expose the rear left roof luggage carrier pan from the inside (see picture 2)
Drill stop holes at each end of the indentation of the crack (see picture 3)
3.
4.
5.
Hole diameter: Ø3 mm
Clean surface to be sealed both on the inside and the outside (surface must be free of dust, grease and lint)
Seal the crack both on the inside and the outside with a seam seal
Touch up the area in which the work was carried out with a touch-up paint pen
Note: Seam seal is brushable and paintable.
Attachments
File
Description
Ziehriss freigelegt.jpg
Picture 2 (example picture with roof removed)
Ziehriss Stopbohrungen.jpg
Picture 3
WIS-References
Document number
Title
Note
AR68.30-P-4300XG
Remove/install headliner
-
Symptoms
Body > Interior equipment > Interior trim > Swelled
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© Copyright Mercedes-Benz AG
ROTOOLE
Page 2 / 3
Body > Interior equipment > Interior trim > Odor
Body > Body/Cab > Body sealing > Water entry
Overall vehicle > Safety and locking system > Comfort opening/closing system > Transmitter key cannot be operated
Overall vehicle > Safety and locking system > Locks/locking/Remote closing mechanism > Does not open
Overall vehicle > Safety and locking system > Locks/locking/Remote closing mechanism > Malfunction
Overall vehicle > Safety and locking system > Locks/locking/Remote closing mechanism > Discharged battery
Overall vehicle > Safety and locking system > Locks/locking/Remote closing mechanism > Range insufficient
Overall vehicle > Safety and locking system > Keyless go > Function > Vehicle does not open
Parts
Part number
ES1 ES2 Designation
Quantity Note
A 000 989 46 06
Gray seam seal
1
A 000 986 21 50
Touch-up paint pen
1
EPC
X
Always specify the color number
when making the purchase order
X
Control unit/fault code
Control unit
Fault text
N69/5 - KEYLESS GO (KG)
B154E13 - The antenna module has a malfunction. There
is an open circuit.
B154E12 - The antenna module has a malfunction. There
is a short circuit to positive.
B154E11 - The antenna module has a malfunction. There
is a short circuit to ground.
Operation numbers/damage codes
Op. no.
Operation text
09.03.2022 19:45:15
© Copyright Mercedes-Benz AG
Time
ROTOOLE
Damage
code
Note
6500107
Please LI Number document in message text field
Page 3 / 3
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TSB/Document ID: LI65.10-P-074539
Replacement Service Bulletin Number:
MFR Communication Date: 2022-03-09
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STRUCTURE
MFR Component System:
MFR Component Subsystem:
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