NHTSA ID Number: 10063557
Manufacturer Communication Number: LI54.10-P-058943
TSB/Document Date: 2016-05-09
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
EN R
Fault message in instrument cluster "Additional Battery - Service Required" - FC B11C11 B
Topic number
Ll54.1 O-P-058943
Version
2
Design group
54.10 Battery, voltage supply, voltage converter
Date
07-24-2014
Validity
W166 with SA code "B03" ECO start/stop
X166 with SA code "B03" ECO start/stop
Model series 463 with SA code "MJ7" ECO start/stop as
ofXZ2 (YoM 2013) as of VIN end no. X200802
Reason for change
Validity extended to include model series 463 with SA code MJ7 ECO start/stop, as of XZ2 (YoM 2013) as of VIN
end no. X200802; model designation 272, 273 and 274
Reason for block
Complaint:
Fault message in instrument cluster "Additional Battery - Service Required"
Cause:
Electrical fault in ECO start/stop function additional battery.
Remedy:
If the SAM (N 10) contains the fault code "B11 C11 B - The additional battery has a malfunction. The limit value for the
resistance is exceeded", then the ECO start/stop backup battery must be replaced.
In this special case, the Midtronics test must not be performed because the Midtronics test result cannot indicate the
cause of the fault.
This case is an absolute special case with these specific vehicles and is only to be handled with this fault code with
regard to the Midtronics test: it is not applicable to other damage profiles or other vehicles. The WMRIEWMR article
04-02-020 continues to apply for all other damage types and vehicles.
The initial quick test log with corresponding fault code is to be filed in a tamperproof manner, and the fault code must
be noted in the message field of the warranty claim.
Note: If, in the vehicles defined here, a problem arises with the ECO start/stop function additional battery with the part
number A0009829308 currently in use, then the WMRIEWMR article 04-02-020 applies without qualification and therefore a Midtronics test is absolutely essential!
When installing object number A0009829308 in model series 166 , the retaining lug on the battery bracket must be
bent upwards by 90° as described in attachment "2"
Attachments
File
Description
holder_backup_battery_01.jpg
Backup battery bracket
holder_backup_battery_02.jpg
Backup battery bracket modified for installation of replacement part A0009829308!
Isymptoms
07-24-2014 8:52 PM
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EN R
Power generation I Engine management I Engine starVstop I Does not start
Power generation I Engine management I Engine start/stop I No automatic engine start
Power generation I Engine management I Engine starVstop I Engine does not turn off
Control unit/fault code
Control unit
Fault code
SAM - Signal acquisition and
B11C11B
actuation module (N 10) (CBC)
Fault text
The additional battery has a malfunction. The limit value for resistance has been exceeded.
Parts
Part number
ES1 ES2
A 000 982 93 08
Designation
Quantity Note
Backup battery
1
EPC Other
make
part
x
Work units
Op. no.
Operation text
54-1011
PERFORM QUICK TEST
54027 73
54-1138
REMOVE/INSTALL ADDITIONAL BATTERY FOR ECO START/STOP FUNCTION
54027 73
54-1150
REPLACE BATTERY (BATTERY REMOVED)
54027 73
Time
Damage
code
Note
Validity
Vehicle
Engine
463.272
•
•
•
•
•
•
•
•
•
Vehicle
Engine
166.003
651.960
722.908
463.273
463.274
GL (166)
M (166)
.
Full model designation breakdown
166.004
651.960
722.908
166.023
642.826
722.903
166.023
642.826
725.031
166.024
642.826
722.903
07-24-2014 8:52 PM
© Copyright Daimler AG
TI
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Page 214
ENT RV
166.024
166.055
166.056
166.057
166.058
166.062
166.073
166.073
166.073
166.074
166.074
166.823
166.823
166.824
166.824
166.856
166.864
166.872
166.872
166.872
166.872
166.873
166.873
J
725.031
276.955
276.821
722.906
722.904
276.955
276.955
276.821
278.928
278.928
278.928
722.906
722.906
722.904
157.982
157.982
642.826
642.826
642.826
642.826
276.821
276.821
722.909
725.031
725.032
722.905
722.931
722.903
725.031
722.903
725.031
722.904
722.904
278.928
722.909
278.928
278.928
725.031
725.032
278.928
278.928
725.033
166.873
166.873
166.874
166.874
463.272
278.928
278.928
278.928
157.982
157.982
157.984
722.909
725.031
725.032
725.033
722.905
722.931
722.905
463.273
463.274
157.984
279.982
722.905
722.932
Attachments
07-24-2014 8:52 PM
©Copyright Daimler AG
TI
642.826
PLUBONS
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holder_backup_battery_
01.jpg:
holder_backup_battery_
02.jpg:
07-24-2014 8:52 PM
©Copyright Daimler AG
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TSB/Document ID: LI54.10-P-058943
Replacement Service Bulletin Number:
MFR Communication Date: 2014-07-24
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
MFR Component System:
MFR Component Subsystem:
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