NHTSA ID Number: 10135837
Manufacturer Communication Number: LI42.20-P-061327
TSB/Document Date: 2018-05-07
Summary
Electric parking brake inoperative
Electric parking brake inoperative
Topic number
LI42.20-P-061327
Version
1
Design group
42.20 Parking brake
Date
04-21-2015
Validity
MFA model series, production as of approx. 05/2014 up
to 09/2014
Reason for change
Reason for block
Complaint:
The warning message "Parking brake, see owner's manual" is displayed in the instrument cluster.
The yellow EPB function indicator lamp lights up and the red EPB function indicator lamp flashes.
Cause:
Connections at separating points X62/32 Rear axle electrical connector, left distributor or X62/33 Rear axle electrical
connector, right distributor (see Annex "X62-32 Rear axle connector") not engaged correctly.
Attachments
File
Description
X62-32 Steckverbindung Hinterachse.pdf
Location / position of connector
Remedy:
Check that connector X62/33 and connector X62/32 of electric parking brake are engaged correctly (see attachment).
In the event of complaint: Engage connector properly.
Attachments
File
Description
Verrastung ok-not ok.pdf
ok or not ok
Symptoms
Chassis/suspension / Brake system / Parking brake / Parking brake indicator lamp / Parking brake / lit
Chassis/suspension / Brake system / Parking brake / Parking brake function / Does not open/trigger
Chassis/suspension / Brake system / Parking brake / Parking brake indicator lamp / Parking brake / Illuminates yellow
Chassis/suspension / Brake system / Parking brake / Parking brake indicator lamp / Parking brake / Flashes red
Chassis/suspension / Brake system / Parking brake / Parking brake display / Parking brake - apply brake
Chassis/suspension / Brake system / Parking brake / Parking brake display / Parking brake - release brake
Chassis/suspension / Brake system / Parking brake / Parking brake display / Parking brake - Parking brake see
Owner's Man.
Chassis/suspension / Brake system / Parking brake / Parking brake display / Parking brake - Parking brake inoperative Visit workshop
04-21-2015 4:19 PM
© Copyright Daimler AG
KOLESK
Page 1/5
Control unit/fault code
Control unit
Fault code
Fault text
EFB - Electric parking brake
(N128) (EPKB166)
B23AA09
The left brake caliper has a malfunction. There is a component
fault.
EFB - Electric parking brake
(N128) (EPKB166)
B23AB14
The right brake caliper has a malfunction. There is a short circuit
to ground or an open circuit.
EFB - Electric parking brake
(N128) (EPKB166)
B23AB11
The right brake caliper has a malfunction. There is a short circuit
to ground.
EFB - Electric parking brake
(N128) (EPKB166)
B23AB77
The right brake caliper has a malfunction. The commanded position cannot be reached.
EFB - Electric parking brake
(N128) (EPKB166)
B23AB15
The right brake caliper has a malfunction. There is a short circuit
to positive or an open circuit.
EFB - Electric parking brake
(N128) (EPKB166)
B23AB12
The right brake caliper has a malfunction. There is a short circuit
to positive.
EFB - Electric parking brake
(N128) (EPKB166)
B23AA12
The left brake caliper has a malfunction. There is a short circuit to
positive.
EFB - Electric parking brake
(N128) (EPKB166)
B23AA11
The left brake caliper has a malfunction. There is a short circuit to
ground.
EFB - Electric parking brake
(N128) (EPKB166)
B23AA13
The left brake caliper has a malfunction. There is an open circuit.
EFB - Electric parking brake
(N128) (EPKB166)
B23AA14
The left brake caliper has a malfunction. There is a short circuit to
ground or an open circuit.
EFB - Electric parking brake
(N128) (EPKB166)
B23AA15
The left brake caliper has a malfunction. There is a short circuit to
positive or an open circuit.
EFB - Electric parking brake
(N128) (EPKB166)
B23AA77
The left brake caliper has a malfunction. The commanded position cannot be reached.
EFB - Electric parking brake
(N128) (EPKB166)
B23AB09
The right brake caliper has a malfunction. There is a component
fault.
EFB - Electric parking brake
(N128) (EPKB166)
B23AB13
The right brake caliper has a malfunction. There is an open circuit.
Work units
Op. no.
Operation text
Time
Damage
code
Note
51135 74
Connector/line of electric parking
brake actuator has contact fault/
open circuit
WIS-References
Document number
Title
AR88.10-P-1400NKB
Remove/install fender liner
in rear fender
04-21-2015 4:19 PM
© Copyright Daimler AG
Note
KOLESK
Allocation
Remedy
Page 2/5
Validity
Vehicle
A (176)
*
*
B (242, 246)
*
*
CLA (117)
*
*
GLA (156)
*
*
Vehicle
117.301
651.901
711.642
117.301
651.901
724.003
117.302
651.930
724.011
117.303
651.930
724.003
117.305
651.930
724.011
117.308
651.930
711.645
117.308
651.930
724.003
117.312
607.951
711.632
117.312
607.951
724.020
117.342
270.910
711.632
117.342
270.910
711.643
117.342
270.910
724.002
117.343
270.910
711.643
117.343
270.910
724.002
117.344
270.920
724.003
117.345
270.920
724.003
117.346
270.920
724.011
117.347
270.910
724.011
117.347
270.920
724.011
117.350
270.920
724.003
117.351
270.920
724.011
117.352
133.980
724.015
117.352
133.980
724.016
117.902
651.930
724.011
117.903
651.930
724.003
117.905
651.930
724.011
117.908
651.930
724.003
117.912
607.951
711.632
117.912
607.951
724.020
117.942
270.910
711.643
117.942
270.910
724.002
117.943
270.910
711.643
117.943
270.910
724.002
Full model designation breakdown
04-21-2015 4:19 PM
© Copyright Daimler AG
KOLESK
Page 3/5
117.944
270.920
724.003
117.946
270.920
724.011
117.951
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
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TSB/Document ID: LI42.20-P-061327
Replacement Service Bulletin Number:
MFR Communication Date: 2015-04-21
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: PARKING BRAKE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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