NHTSA ID Number: 10167558
Manufacturer Communication Number: LI82 95-P-056655
TSB/Document Date: 2019-11-12
Summary
Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
Battery drain bus keepawake detected mbrace control unit causes bus keepawake
Topic number
LI82.95-P-056655
Version
4
Design group
82.95 Emergency call systems
Date
07-23-2013
Validity
All vehicles with option code 348 except model 222
Reason for change
Reason for block
Complaint:
Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
Cause:
PASS (mbrace) is programmed to update its Preferred Roaming List (PRL) every 90 days. If the unit is deactivated,
the update is not possible.
If a Diagnostic Service (ex: Quicktest) is performed on a vehicle with a deactivated PASS unit, the PASS unit will start
attempting to update, even though no network is detected. PASS will keep the CAN Bus awake, and in time will drain
the battery.
Preconditions:
1. Must be equipped with PASS
2. IMX software level in mbrace will be 2319028401 (see attachment)
3. Vehicle must be at least 90 days old
4. Mbrace must be deactivated in any of the following scenarios:
· Customer did not purchase mbrace at point of sale
· Cancel of mbrace subscription at any time
· Free trial expires
5. A Diagnostic Service (ex: Quicktest) is performed on a vehicle with a PASS unit with the above preconditions met
Attachments
File
Designation
IMX Location.jpg
Location of the IMX part number in the quick test
Remedy:
Update the mbrace control unit software. The IMX software in the mbrace control unit (see attachment) should change
to either
2319023902
or
2319027002
If Xentry does not specify newer software, please create an SDS User Help Desk case via PTSS, and include the following:
-Event log (initial startup)
-mbrace control unit log
07-23-2013 8:19 PM
© Copyright Daimler AG
KLISEWS
Page 1/17
-Initial quick test
Once completed, the event code “B15CE00 Registration with TOC has failed” may be visible. Please disregard this
event code.
Symptoms
Communication/information / Communication / Telematics service / TELEAID emergency call system / TELEAID function / Backup battery discharges
Overall vehicle / Power supply / Battery/On-board electrical system / Battery/on-board electrical system indicator
lamp / Battery charge indicator/consumer shutoff / Illuminates red
Overall vehicle / Power supply / Battery/On-board electrical system / Battery/on-board electrical system indicator
lamp / Battery charge indicator/consumer shutoff / Illuminates white
Overall vehicle / Power supply / Battery/On-board electrical system / Battery function / Battery discharges
Overall vehicle / Power supply / Battery/On-board electrical system / Battery/on-board electrical system display message / Low voltage Switch off consumers
Overall vehicle / Power supply / Battery/On-board electrical system / Battery/on-board electrical system display message / Low voltage Charge battery
Overall vehicle / Power supply / Battery/On-board electrical system / Battery/on-board electrical system display message / Charging
Work units
Op. no.
Operation text
Time
Damage
code
Note
82876 54
Validity
Vehicle
Engine
C (204)
*
*
CLS (218)
*
*
E (207)
*
*
E (212)
*
*
G (463)
*
*
GL (166)
*
*
GLK (204)
*
*
M (166)
*
*
SL (231)
*
*
SLK (172)
*
*
Vehicle
Engine
166.003
651.960
722.908
166.004
651.960
722.908
166.023
642.826
722.903
Full model designation breakdown
07-23-2013 8:19 PM
© Copyright Daimler AG
KLISEWS
Page 2/17
166.023
642.826
725.031
166.024
642.826
722.903
166.024
642.826
725.031
166.055
276.955
722.906
166.056
276.821
722.904
166.056
276.925
722.904
166.057
276.955
722.906
166.058
276.955
722.906
166.062
276.821
722.904
166.073
278.928
722.909
166.073
278.928
725.031
166.073
278.928
725.032
166.074
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
166.872
278.928
722.909
166.872
278.928
725.031
166.872
278.928
725.032
166.873
278.928
722.909
166.873
278.928
725.031
166.873
278.928
725.032
166.874
157.982
722.905
166.874
157.982
722.931
172.403
651.980
711.670
172.403
651.980
722.908
172.447
271.861
711.653
172.447
271.861
711.654
172.447
271.861
722.997
172.448
271.861
711.655
172.448
271.861
722.997
172.457
276.956
722.906
172.475
152.980
722.909
204.000
651.913
711.653
204.000
651.913
716.656
204.000
651.913
722.694
204.000
651.913
722.996
204.001
651.913
711.653
204.001
651.913
716.656
204.001
651.913
722.694
07-23-2013 8:19 PM
© Copyright Daimler AG
KLISEWS
Page 3/17
204.001
651.913
722.996
204.002
651.911
711.653
204.002
651.911
716.656
204.002
651.911
722.646
204.002
651.911
722.908
204.003
651.911
711.670
204.003
651.911
722.646
204.003
651.911
722.908
204.006
646.812
711.655
204.006
646.812
716.608
204.006
646.812
722.699
204.007
646.811
711.655
204.007
646.811
716.608
204.007
646.811
716.655
204.007
646.811
722.699
204.008
646.811
716.657
204.008
646.811
722.640
204.022
642.960
711.670
204.022
642.960
722.902
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TSB/Document ID: LI82 95-P-056655
Replacement Service Bulletin Number:
MFR Communication Date: 2013-07-23
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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