2014 Mercedes-Benz C300
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2014 C300 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 #LI46-35P059241
XENTRY (MERCEDES): AFTER ENGINE HAS STARTED, SEVERAL ISSUES OCCURS, AN ACOUSTIC WARNING SOUNDS IS HEARD, THE INSTRUMENT CLUSTER DISPLAYS WARNING MESSAGE POWER STEERING MALFUNCTION, SERVICE REQUIRED. STEERING SYSTEM IS SLUGGISH. Read More »
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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 #LI46.35-P-058063
Fault code U41600 logged in 'ES' (electric steering) control unit after software update or steering gear replacement. Note: Fault code U41600 means: Implausible data were received from the control unit "Traction system". Read More »
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TSB #LI33.30-P-056665
Single, throttle lift-off, clunking noise from the side shaft when starting off (audible at the wheel). The clunk is heard once when changing from forward to reverse (and vice versa). Read More »
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TSB #LI46.35-P-059989
Red display message in instrument cluster "Power Steering Malfunction - See Owner's Manual" Read More »
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TSB #LI46.35-P-059989
Red display message in instrument cluster "Power Steering Malfunction - See Owner's Manual" Read More »
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TSB #LI33 30-P-056665
Throttle lift-off clunking noises at drive shafts of front axle Read More »
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TSB #LI32.25-P-061137
Clunking noise from front axle suspension strut or rear axle shock absorber on short strokes of the damper Read More »
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TSB #LI32.25-P-061137
Clunking noise from front axle suspension strut or rear axle shock absorber on short strokes of the damper Read More »
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TSB #LI32.25-P-061137
Clunking noise from front axle suspension strut or rear axle shock absorber on short strokes of the damper 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 #SC-2019040001
Update engine electronics (ME-SFI) control unit software Read More »
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TSB #LI05 20-P-067123
Oil in engine wiring harness Read More »
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TSB #LI07-70P061851
XENTRY (MERCEDES): VEHICLE SHUTS DOWN AT 5 MPH BUT ENGINE ABLE TO BE RESTARTED VIA ECO START STOP DUE TO MISMATCHED LEVELS OF SOFTWARE. MODEL 2014-15 217, 222. *PE Read More »
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TSB #LI03-10P060916
XENTRY (DAIMLER): DUE TO UNFAVORABLE TOLERANCE OF PISTON WRIST PIN, RESULTING IN KNOCKING, CLATTERING/RATTLING NOISES, CAUSING AN ENLARGE END FLOAT CONNECTING ROD IN PISTON, FROM CRANK ASSEMBLY OF ENGINE WHEN COLD. 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 #P-B-54.10/265
SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »
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TSB #LI4245P073405
After starting the engine, the instrument cluster shows the "EBD not available, diagnosis/test stand" message in yellow. Read More »
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TSB #P-SC-2019050006
Check coolant hose from expansion reservoir to cooler and replace if necessary Read More »
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TSB #LI07 70-P-066276
Check Engine Light is on with DTC P030185/ P030685 for misfire cylinder 1 and 6. Read More »
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TSB #LI14.20-P-052079
Engine diagnosis warning lamp lights up - Fault code entry (FC) 14A600 or 14A700 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 #P-SC-2017080006
Update fuel system control unit (FSCU) software Read More »
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TSB #LI35 30-P-058566
Throttle lift-off clunking noises at drive shafts of rear axle 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 #LI35.30-P-058566
Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). Heard once when changing from forward to reverse (and vice versa) 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 #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 #LI54.15-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 #LI49.10-P-058243
Engine diagnosis warning lamp is active or message "Starts remaining xxx" in instrument cluster. 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 #LI54.10-P-054089
Battery discharged, vehicle does not start. 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 #LI54.65-P-058105
The Parktronic system switches to malfunction. The driver notices a fault message (4 red LEDs and 2 sec continuous signal). Read More »
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TSB #LI82.95-P-054406
SUMMARY TO BE PROVIDED ON A FUTURE DATE. 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 #LI46.35-P-055485
Engine does not start, or various fault messages in instrument cluster immediately after engine start and servo assistance is reduced. Read More »
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TSB #LI4245P073405
After starting the engine, the instrument cluster shows the "EBD not available, diagnosis/test stand" message in yellow. 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 #LI54.18-P-062956
ESP, BAS, PRE-SAFE - Fault message in instrument cluster Read More »
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TSB #LI46-35P059241
XENTRY (MERCEDES): AFTER ENGINE HAS STARTED, SEVERAL ISSUES OCCURS, AN ACOUSTIC WARNING SOUNDS IS HEARD, THE INSTRUMENT CLUSTER DISPLAYS WARNING MESSAGE POWER STEERING MALFUNCTION, SERVICE REQUIRED. STEERING SYSTEM IS SLUGGISH. 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 #LI07-70P061851
XENTRY (MERCEDES): VEHICLE SHUTS DOWN AT 5 MPH BUT ENGINE ABLE TO BE RESTARTED VIA ECO START STOP DUE TO MISMATCHED LEVELS OF SOFTWARE. MODEL 2014-15 217, 222. *PE Read More »
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TSB #LI8270P056963
Software update of COMAND Online control unit. Read More »
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TSB #LI8270P055572
Mobile phone cotacts are not transferred completely. Read More »
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TSB #LI82.10-P-053604
Fault message in display - Right rear turn signal light inoperative 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 #LI8210P0647661
Headlamps fogged. Read More »
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TSB #P-SC-2014060004
MERCEDES BENZ: MODEL 216 THE MANUFACTURER OF MERCEDES BENZ INITIATED THIS SERVICE CAMPAIGN WHICH HAS DETERMINED THE HEAD LAMP CONTROL MODULE CODE & SPOTLIGHT FUNCTION MAY NOT BE AVAILABLE. *LJ 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 #LI8870P056690
Outside mirror fogged. Read More »
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TSB #RecallUpdate
Recall Campaign announcement for Takata driver airbags. 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 #NCU - 24240304
As previously reported, 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 ... 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 #P-SC-2014020003
This Service Campaign has been initiated because Daimler AG (DAG), manufacturer of Mercedes-Benz vehicles, has determined that the seam seal at the spare tire well may not be to specification. Read More »
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TSB #NCU - 24240304
As previously reported, 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 ... Read More »
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TSB #C1A-130501
Model X204 (GLK 250 BT) with AMG Styling Package 321. Model Year 2013 Install Tire Fit Kit, Replace Monroney Label Read More »
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TSB #P-SC-2014020003
This Service Campaign has been initiated because Daimler AG (DAG), manufacturer of Mercedes-Benz vehicles, has determined that the seam seal at the spare tire well may not be to specification. 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-059387
Noises from flat spring core in backrest 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 #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 #P-B-54.10/265
SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »
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TSB #P-B-82.85-703
A production fault means that the telematics DVD A 166 827 14 00 cannot be used. Because of this the previous telematics DVDs A 204 827 03 65 and A 204 827 10 65 must continue to be used for control unit programming. 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 #LI82 85-P-068646
MB App iHeart Radio is no longer available after a head unit update 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 #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 »
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TSB #LI33 30-P-056665
Throttle lift-off clunking noises at drive shafts of front axle Read More »