2014 Mercedes-Benz CLS550
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2014 CLS550 are official communications between Mercedes-Benz & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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TSB #LI46.15-P-058505
Creaking noise when making vertical or longitudinal adjustment to electrical steering column Read More »
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TSB #LI46.10-P-057961
Surface damage on steering wheel trim Read More »
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TSB #LI32 25-P-066246
Thumping noises from rear axle shock absorber Read More »
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TSB #P-SC- 2014020004
This Service Campaign has been initiated because Daimler AG (DAG), manufacturer of Mercedes-Benz vehicles, has determined that the weld seams at the rear axle cross member may not be to specification. Read More »
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TSB #2014020004
SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »
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TSB #LI5418P067550
ESP, BAS, PRE-SAFE - Fault message in instrument cluster Read More »
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TSB #LI5418P067550v5
ESP, BAS, PRE-SAFE - Fault message in instrument cluster Read More »
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TSB #LI42.47-P-067502
If the customer brakes sharply from a speed of > 30mph, without ABS intervention, there is a single cracking noise from the area of the ESP hydraulic unit Read More »
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TSB #LI54 65-P-068316
Warnings without obvious cause from front parking sensors in vehicles with AMG Styling Package (SA code 772) Read More »
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TSB #SC-2019040001
Update engine electronics (ME-SFI) control unit software Read More »
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TSB #LI5418P067550
ESP, BAS, PRE-SAFE - Fault message in instrument cluster Read More »
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TSB #LI05 20-P-067123
Oil in engine wiring harness Read More »
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TSB #LI07-04-P061777
XENTRY (MERCEDES): STORED IN ENGINE CONTROL UNIT (ECU) IS FAULT TO EXHAUST BACK PRESSURE SENSOR CAUSING ENGINE TO BE IN LIMP HOME MODE AND DIAGNOSIS WARNING LAMP ACTIVATED. MODEL 176, 246, 204, 212, 166, 207, 218, 221, 251. Read More »
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TSB #LI54-18-P-057927
XENTRY (DAIMLER): STORED IN ENGINE CONTROL UNIT ARE FAULTS RELATING TO THROTTLE VALVE ACTUATOR AND/OR OXYGEN SENSOR DUE TO OCCASIONAL TRANSITION RESISTANCE AT CONTACTS, CAUSING ENGINE DIAGNOSIS WARNING LAMP TO BE INACTIVE. MODEL ALL. Read More »
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TSB #2014090005
MERCEDES BENZ SLS CLASS THIS SERVICE CAMPAIGN IS INITIATED DUE TO THE MANUFACTURER OF MERCEDES BENZ HAS DISCOVERED THE UPPER ENGINE BRACKET MAY CONTRIBUTE TO INCREASED NOISE IN THE ENGINE COMPARTMENT. Read More »
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TSB #ELW - M278 Cat
This NCU replaces the prior NCU issued on May 11, 2023, and clarifies replacement part information. In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, ... Read More »
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TSB #ELW-M278Catalyst
This extended warranty applies to the following condition that may necessitate the repair or replacement of the catalytic converter system and is related to: a?? A check engine Malfunction Indicator Lamp (a??MILa??) may illuminate due to ... Read More »
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TSB #CL-ELWExhaustVal
Why the warranty extension? On certain Model Year 2011-2016 CL/CLS/S/E/ML/SL/G/GL/GLE-Class vehicles with V8 engines, the exhaust valve assembly might not work properly and result in an engine misfire and potential illumination of the ... Read More »
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TSB #ELW-ExhaustValve
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (a??MBUSAa??) is extending the warranty coverage on the exhaust valve system in ... Read More »
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TSB #LI05.10-P-056435
Engine rattling noise after engine start for several seconds Read More »
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TSB #LI47.40-P-053871
Engine diagnosis warning lamp activated. Fault code P045600 "Very fine leak" or P044200 "Fine leak" stored in engine control unit. Read More »
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TSB #LI03.20-P-048278
Engine makes intermittent knocking noise, ticking/crackling Read More »
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TSB #LI07-04-P061777
XENTRY (MERCEDES): STORED IN ENGINE CONTROL UNIT (ECU) IS FAULT TO EXHAUST BACK PRESSURE SENSOR CAUSING ENGINE TO BE IN LIMP HOME MODE AND DIAGNOSIS WARNING LAMP ACTIVATED. MODEL 176, 246, 204, 212, 166, 207, 218, 221, 251. Read More »
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TSB #LI0702P0547173
Ticking or pulsing noise from high-pressure pump and/or fuel injectors. Read More »
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TSB #ELW - M278 Cat
This NCU replaces the prior NCU issued on May 11, 2023, and clarifies replacement part information. In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, ... Read More »
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TSB #ELW-M278Catalyst
This extended warranty applies to the following condition that may necessitate the repair or replacement of the catalytic converter system and is related to: a?? A check engine Malfunction Indicator Lamp (a??MILa??) may illuminate due to ... Read More »
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TSB #LI01.30-P-058630
Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2. Read More »
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TSB #LI54.15-P-057373
The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is displayed, but no gear is engaged. Read More »
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TSB #LI27.20-P-055758
FC 2783 (Friction power of torque converter lockup clutch is too high) or FC 0741 (Actuation of torque converter lockup clutch not possible) stored in transmission control unit. Read More »
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TSB #LI27.50-P-056467
Shift quality complaints and/or automatic transmission in limp-home mode in combination with one or more of the following fault codes: P060600, P072200, P072300, P072364, P072900, P073000, P073100, P073200, P073300, P073400, P073500, ... Read More »
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TSB #LI27.19-P-056610
SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »
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TSB #LI27-60P059296
XENTRY (MERCEDES): ALTHOUGH BRAKES ARE APPLIED, ELECTRONIC SELECTOR LEVER MODULE IS BLOCKED, IN POSITION P. *PE Read More »
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TSB #LI82.85-P-076799
The Mercedes me connect services cannot be activated. The remote status data does not update. Error in N112/9 - control unit for telematics services (HERMES). Read More »
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TSB #LI68.05-P-060306
Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. Read More »
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TSB #LI68.05-P-060307
Complaint The range of the integrated garage door opener (GTO) is too short. Cause 1. Vehicles equipped with infrared windows and/or a heated windshield may suffer from complaints involving low transmission power. 2. Read More »
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TSB #LI54.30-P-072145
NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock Read More »
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TSB #LI54-30-P-068844
Model series 257: In the Edition 1, the Welcome graphic is not displayed in the instrument cluster with the specific Edition animation. Read More »
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TSB #LI54 65-P-068316
Warnings without obvious cause from front parking sensors in vehicles with AMG Styling Package (SA code 772) Read More »
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TSB #LI01.30-P-058630
Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2. Read More »
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TSB #LI54.15-P-057373
The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is displayed, but no gear is engaged. Read More »
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TSB #LI49.20-P-056353
Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit. Read More »
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TSB #LI49.20-P-056353
Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit. Read More »
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TSB #LI54.25-P-056472
The key is not recognized in the electronic ignition switch, the vehicle cannot be started and/or the automatic transmission may perform an "Automatic P function" at speeds below 6 km/h. Read More »
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TSB #S-SC- 2013090008
This Service Campaign has been initiated because Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that the mbrace software does not correspond to current production configuration. Read More »
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TSB #LI8285P055695
The COMAND unit does not start or the display remains dark. Read More »
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TSB #LI82.95-P-056655
Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement. Read More »
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TSB #LI82.85-P-055695
The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after interrupting the power supply (circuit 30). Read More »
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TSB #LI54.30-P-072145
NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock Read More »
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TSB #Launch NCU - 202
Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2013-2017 B-Class, C-Class, CLA-Class, CLS-Class, E-Class, G-Class, GL-Class, GLA-Class, GLC-Class, GLE-Class, GLK-Class, ... Read More »
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TSB #SC-2019040001
Update engine electronics (ME-SFI) control unit software Read More »
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TSB #LI8270P056963
Software update of COMAND Online control unit. Read More »
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TSB #LI27.19-P-056610
SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »
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TSB #LI8285P053927
"Metadata loss- Please reimport all media data". Read More »
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TSB #LI82.10-P-064766
Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Read More »
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TSB #LI82.10-P-064766
Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Read More »
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TSB #LI72 40-P-069669
Window lifter inoperative Read More »
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TSB #LI8870P056690
Outside mirror fogged. Read More »
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TSB #LI91 45-P-066075
Seat belt extender toothed rack sluggish or makes noises Read More »
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TSB #LI91-00-P-061754
XENTRY (DAIMLER): SOME VEHICLES EXPERIENCE AN INCOMPLETE NORMALIZATION OF SEAT CUSHION AND BLOCKING BETWEEN SEAT BELT BUCKLE AND CONTROL UNIT DETECTS BLOCKAGE AND ABORTS NORMALIZATION SEQUENCE. MODEL 222 (CODE 232 + 224 +305). Read More »
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TSB #LI91-00-P-061754
XENTRY (DAIMLER): SOME VEHICLES EXPERIENCE AN INCOMPLETE NORMALIZATION OF SEAT CUSHION AND BLOCKING BETWEEN SEAT BELT BUCKLE AND CONTROL UNIT DETECTS BLOCKAGE AND ABORTS NORMALIZATION SEQUENCE. MODEL 222 (CODE 232 + 224 +305). Read More »
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TSB #ELW-RearSubframe
Mercedes-Benz USA, LLC (MBUSA) has extended the warranty for the rear subframe on the vehicles listed below, from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 20 years/unlimited miles, and applies to the vehicle ... Read More »
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TSB #ELW-RearSubframe
Mercedes-Benz USA, LLC (MBUSA) has extended the warranty for the rear subframe on the vehicles listed below, from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 20 years/unlimited miles, and applies to the vehicle ... Read More »
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TSB #LI32-25-P-066246
Thumping noises from rear axle damper Read More »
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TSB #LI98.00-P-058914
Clearcoat peeling / flaking / bubbling Read More »
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TSB #LI80.61-P-068096
Trunk lid cannot be closed Read More »
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TSB #LI91.18-P-077075
Crease formation on genuine leather seat covers in vehicles with low mileage ??A?A? Objects left on the seats for extended periods of time (pressure marks). ??A?A? Objects wedged between the seat backrest and seat cushion (e.g. Read More »
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TSB #LI91-00-P-061754
XENTRY (DAIMLER): SOME VEHICLES EXPERIENCE AN INCOMPLETE NORMALIZATION OF SEAT CUSHION AND BLOCKING BETWEEN SEAT BELT BUCKLE AND CONTROL UNIT DETECTS BLOCKAGE AND ABORTS NORMALIZATION SEQUENCE. MODEL 222 (CODE 232 + 224 +305). Read More »
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TSB #LI91.10-P-048411
The pneumatic 4-way lumbar support fails. Lumbar support pockets cannot be filled up or they drain. Read More »
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TSB #LI91.10-P-059386
Dynamic seat control is not functioning correctly and/or air cushions do not inflate fully. Read More »
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TSB #LI91.25-P-059380
Pneumatic comfort systems with insufficient performance, entirely inoperative or leaky. Read More »
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TSB #LI42.47-P-067502
If the customer brakes sharply from a speed of > 30mph, without ABS intervention, there is a single cracking noise from the area of the ESP hydraulic unit Read More »
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TSB #LI54 65-P-068316
Warnings without obvious cause from front parking sensors in vehicles with AMG Styling Package (SA code 772) Read More »
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TSB #LI82.85-P-071453
Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional Read More »
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TSB #LI82.85-P-076799
The Mercedes me connect services cannot be activated. The remote status data does not update. Error in N112/9 - control unit for telematics services (HERMES). Read More »
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TSB #LI82.10-P-064766
Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Read More »
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TSB #NCU - HVAC Warra
To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a settlement regarding claims relating to alleged mold and mildew ... Read More »
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TSB #LI72 40-P-069669
Window lifter inoperative Read More »
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TSB #LI82 70-P-067429
Inductive charging: iPhone is not reliably charged Read More »
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TSB #2014020004
SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »
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TSB #LI82.85-P-058582
Apple products (iPhone or iPod) are not charged via the serial USB interface of the COMAND Online control unit (A40/3) in the stowage compartment of the center console. Read More »
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TSB #GI88.40-P-057430
Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual" Read More »
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TSB #LI68.10-P-056727
Glove box squeaks/rattles at top left mounting. Read More »
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TSB #LI82 70-P-067429
Inductive charging: iPhone is not reliably charged Read More »
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TSB #LI82.70-P-060004
iPhone mobile phone: Various complaints after software update to iOS8 Read More »
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TSB #C1A140101
This Customer 1 Action has been initiated because certain mbrace subscribers were recently contacted by mbrace informing them that they need to have an i-button call performed to ensure their mbrace device has registered with the ... Read More »
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TSB #LI8295P054406
"SOS mbrace service not activated". Read More »
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TSB #LI8285P0581859
"Anti-theft protection activated". Read More »
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TSB #Launch NCU - 202
Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2013-2017 B-Class, C-Class, CLA-Class, CLS-Class, E-Class, G-Class, GL-Class, GLA-Class, GLC-Class, GLE-Class, GLK-Class, ... Read More »
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TSB #LI82.85-P-071453
Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional Read More »
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TSB #LI8285P0647651
Traffic information service and posibly the voice control, nonfunctional after navigation software update. Read More »
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TSB #CL-ELWSubframe
Mercedes-Benz USA, LLC (MBUSA) has extended the warranty for the rear subframe on the vehicles listed below, from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 20 years/unlimited miles, and applies to the vehicle ... Read More »
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TSB #ELW-RearSubframe
Mercedes-Benz USA, LLC (MBUSA) has extended the warranty for the rear subframe on the vehicles listed below, from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 20 years/unlimited miles, and applies to the vehicle ... Read More »