NHTSA ID Number: 10135631
Manufacturer Communication Number: LI54.10-P-058943
TSB/Document Date: 2018-05-07
Summary
Fault message in instrument cluster "Additional Battery - Service Required" - FC B11C11B
Fault message in instrument cluster "Additional Battery - Service Required" - FC B11C11B
Topic number
LI54.10-P-058943
Version
5
Design group
54.10 Battery, voltage supply, voltage converter
Date
10-15-2014
Validity
W166 with SA code "B03" ECO start/stop up to VIN end
no. A486472
X166 with SA code "B03" ECO start/stop up to VIN end
no. A486532
BR463 with SA code "MJ7" ECO start/stop as of XZ2
(Model year 2013) up to VIN end no. X228261
Reason for change
Validity for W/X 166 adjusted; W166 with SA code "B03"
ECO start/stop up to VIN end no. A486472; X166 with SA
code "B03" ECO start/stop up to VIN end no. A486532
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 (N10) contains the fault code "B11C11B - 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 WMR/EWMR 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 WMR/EWMR article 04-02-020 applies without qualification and therefore a Midtronics test is absolutely essential!
When installing object number A0009829308 on BR166, 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!
10-15-2014 3:47 PM
© Copyright Daimler AG
PLUBONS
Page 1/4
Symptoms
Power generation / Engine management / Engine start/stop / Does not start
Power generation / Engine management / Engine start/stop / No automatic engine start
Power generation / Engine management / Engine start/stop / Engine does not turn off
Control unit/fault code
Control unit
Fault code
SAM - Signal acquisition and B11C11B
actuation module (N10) (CBC)
Fault text
The additional battery has a malfunction. The limit value for resistance has been exceeded.
Parts
Part number
ES1 ES2 Designation
A 000 982 93 08
Quantity Note
EPC
1
X
Work units
Op. no.
Operation text
Time
Damage
code
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
Note
Validity
Vehicle
463.272
*
*
463.273
*
*
463.274
*
*
GL (166)
*
*
M (166)
*
*
Vehicle
166.003
651.960
722.908
166.004
651.960
722.908
166.023
642.826
722.903
166.023
642.826
725.031
166.024
642.826
722.903
166.024
642.826
725.031
Full model designation breakdown
10-15-2014 3:47 PM
© Copyright Daimler AG
PLUBONS
Page 2/4
166.055
276.955
722.906
166.056
276.821
722.904
166.056
276.821
725.031
166.057
276.955
722.906
166.057
276.955
725.031
166.058
276.955
722.906
166.058
276.955
725.031
166.062
276.821
722.904
166.073
278.928
722.909
166.073
278.928
725.031
166.073
278.928
725.032
166.073
278.928
725.033
166.074
157.982
722.905
166.074
157.982
722.931
166.823
642.826
722.903
166.823
642.826
725.031
166.824
642.826
722.903
166.824
642.826
725.031
166.856
276.821
722.904
166.856
276.821
725.031
166.864
276.821
722.904
166.864
276.821
725.031
166.872
278.928
722.909
166.872
278.928
725.031
166.872
278.928
725.032
166.872
278.928
725.033
166.873
278.928
722.909
166.873
278.928
725.031
166.873
278.928
725.032
166.873
278.928
725.033
166.874
157.982
722.905
166.874
157.982
722.931
463.272
157.984
722.905
463.273
157.984
722.905
463.274
279.982
722.932
Attachments
10-15-2014 3:47 PM
© Copyright Daimler AG
PLUBONS
Page 3/4
holder_backup_battery_
01.jpg:
holder_backup_battery_
02.jpg:
10-15-2014 3:47 PM
© Copyright Daimler AG
PLUBONS
Page 4/4
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TSB/Document ID: LI54.10-P-058943
Replacement Service Bulletin Number:
MFR Communication Date: 2014-10-15
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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