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.
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. Read More »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
