2017 Mercedes-Benz GLC 300 Technical Service Bulletins

201 technical service bulletins (TSBs) are on record for the 2017 Mercedes-Benz GLC 300. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11005331Jul 9, 2024Transmission and drivetrain. Complaint Only vehicles with a variable transfer case are affected. Can be identified through control unit N45 or N15/7 in the quick test When accelerating with light load, vibrations or jolting sensation may come from the drivetrain Cause Modified oil quality of the transfer case over time Remedy Check initial quick test for faults in the following control units N45 - All-wheel drive (ARS) N127 - 'Drivetrain'…
• 11000598May 8, 2024Electrical system, Steering. Complaint Noticeable vibrations at the steering wheel: • At speeds between 40mph and 75mph • On straight stretches of road and in long corners • With driver assistance systems switched on Cause Control oscillations in the electric power steering. Remedy Perform software update of electric power steering (N68). Note: Please ensure newest Xentry release software is installed and all addons are updated.
• 10253722Apr 15, 2024Engine cooling. Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has a malfunction The partial-load ventilation valve (a part of the intake line assembly) may not work as intended. Model year 2015-2018 Performed guided test for fault code P052E71. Replace intake line assembly if necessary per results of…
• 10252835Mar 1, 2024Electrical system.  Always use the latest XENTRY Diagnosis software release with all available add-ons.  Make sure to follow the operation steps exactly as described in XENTRY Diagnosis.  Use a battery charger to ensure sufficient power supply of the vehicle on-board electrical system battery (greater than 12.5 V).  If XENTRY Diagnosis is already connected to the vehicle, start with operation step 2.
• 10251356Feb 23, 2024Electrical system, Equipment. The radio station favorites list is no longer present after bus idle Saving process during download Perform software update in control unit HU6 in the head unit (A26/17) to version E871.1 (A 247 904 53 00).
• 10249726Jan 18, 2024Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that in certain MY 2017-2021 C-Class, CLA, CLS, E-Class, GLC, GLE, GLS, AMG GT, S-Class, SL, and SLC (205, 117, 257, 213/238, 253, 166/292, 190/290,217/222, 231, 172) vehicles, the software of the communication module does not correspond with the latest series production configuration.
• 10248162Dec 4, 2023Seats. Crease formation on genuine leather seat covers in vehicles with low mileage • Objects left on the seats for extended periods of time (pressure marks). • Objects wedged between the seat backrest and seat cushion (e.g. seat belt buckle). • Light initial creases due to vehicle handling. • Light creases in the outer covers originating from the production process (missing finish). Heat treatment of…
• 10244837Oct 10, 2023Electrical system. The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle. The fault code B129C00 is stored in the control unit log. The message occurs in particular after the vehicle has been non-operational for an extended period of time; the message then disappears of its own accord after a few minutes. No functional limitation to the emergency call system is to be expected. Software error in…
• 10243565Sep 22, 2023Engine cooling. In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (“MBUSA”) is extending the coverage for the intake line assembly on your vehicle from the original New Vehicle Limited Warranty of 4 years / 50,000 miles to 15 years / 150,000 miles (whichever occurs first), and applies to the vehicle regardless of ownership…
• 10243308Sep 12, 2023Engine cooling. Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has a malfunction The partial-load ventilation valve (a part of the intake line assembly) may not work as intended Performed guided test for fault code P052E71. Replace intake line assembly if necessary per results of the guided test. Do…
• 10241531Aug 24, 2023Engine cooling. 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 (“MBUSA”) is extending the warranty coverage on the intake line assembly in certain Model Year (“MY”) vehicles listed below from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 15 years/150,000 miles (whichever occurs first) due to…
• 10241790Aug 18, 2023Electrical system, Equipment. 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). In the HERMES control unit log, under the "URL" tab, the value DEFAULT is stored for "atpServerUrl" and/or "rcsServerUrl". Please carry out a re-commissioning of the control unit N112/9 - Control unit for telematics services (HERMES), which includes both a…
• 10238437Jun 15, 2023Visibility (wipers, defrost, mirrors), Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (“MY”) 2016 – 2021 C-Class (205 platform), E-Class (213 platform) and GLC (253 platform) vehicles, the air conditioning control unit software may not meet production specifications. There is a possibility that a stuck open thermostat may wrongly be detected causing the check engine Malfunction Indicator…
• 10238424Jun 9, 2023Equipment, Electrical system, Other or unknown. In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of °C, or vice versa). Temperature setting in Mmc mobile application settings incorrect Remedy Adjust the setting in the Mercedes me connect app via mobile phone (settings -> units)
• 10231024Jan 9, 2023Suspension. Complaint - AIRMATIC fault message in instrument cluster - Compressor inoperative, 40A compressor fuse possibly triggered. - Vehicle level is not adjusted correctly, the vehicle possibly leans at an angle Cause Moisture in the compressor freezes at temperatures below zero and may block the compressor. As a result, the starting current when the compressor starts up is too high. Fuse is triggered Remedy Replace…
• 10227145Nov 17, 2022Body and structure. Complaint Staining on door trim strips and top and bottom trim elements on rear side windows Cause Damage to protective coating (due to poor original optimization of coating) of door beltline trim strips, door upper trim strips and side window trim element. Remedy 1. Check if the complaint cannot be rectified by polishing the trim bars with the polish. 2.
• 10227142Nov 7, 2022Steering. Complaint 1. Vibrations noticeable at steering wheel when front axle is excited when driving at a speed between 65 km/h and 130 km/h over an obstacle. • Driving over deeply recessed manhole covers • Driving over cross joints • Driving over extreme surface undulations 2. Permanent or long-lasting vibrations at specific speed or engine speed noticeable on steering wheel. • Roadway surface excitations when…
• 10225820Oct 24, 2022Body and structure. Complaint Staining on door trim strips and top and bottom trim elements on rear side windows Cause Damage to protective coating of door beltline trim strips, door upper trim strips and side window trim element due to strong alkaline detergent in car washes. Remedy 1. Check if the complaint cannot be rectified by polishing the trim bars with the polish. 2.
• 10222462Sep 12, 2022Steering. Complaint Malfunction of the electric steering column adjustment. The adjustment application by the driver does not correspond to the adjustment direction of the steering column. Cause Polarity reversal of the lines M20/1 (steering column adjustment motor, forward and backward) and M20/2 (steering column adjustment motor, upward and downward) results in a malfunction of the electric steering column adjustment.
• 10222461Sep 12, 2022Steering. Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams. Remedy There are 2 repair procedures to follow depending on vehicle (differentiated according to model and vehicle manufacturing date) 1. Replace repair kit for steering column height adjustment 2…
• 10222481Sep 8, 2022Electrical system. Complaint Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All Stations" or a different category. Sometimes, the "My Favorites" category will be unavailable for the entire drive cycle. Cause Current MBUX Multimedia System (A26/17) software release Remedy Software update of MBUX Multimedia System (A26/17) to E905.4 (in development). This document will be…
• 11031730Aug 27, 2022Vehicle speed control. Dear Mercedes-Benz Owner: 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 (“MBUSA”) hereby notifies you of additional benefits regarding your vehicle.
• 10219254Aug 26, 2022Electrical system. Complaint In an initial quick test, DTC B238A00 "Fan 2 of the control unit has malfunctioned" may be active and/or stored in the MBUX Multimedia System (A26/17) Cause Current MBUX Multimedia System (A26/17) software release Remedy If there is no customer complaint present, the DTC can be ignored. A future MBUX Multimedia System (A26/17) software release (E905.3) will prevent the DTC from occurring. This…
• 11031728Aug 19, 2022Vehicle speed control. Dear Mercedes-Benz Owner: 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 (“MBUSA”) hereby notifies you of additional benefits regarding your vehicle.
• 11031727Aug 19, 2022Vehicle speed control. 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 (“MBUSA”) hereby notifies you of additional benefits regarding your vehicle.
• 11031731Aug 13, 2022Vehicle speed control. Dear Mercedes-Benz Owner: 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 (“MBUSA”) hereby notifies you of additional benefits regarding your vehicle.
• 11031592Aug 5, 2022Vehicle speed control. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has extended the warranty for the accelerator pedal wiring harness and connectors from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 10 years/120,000 miles for certain Model Year (“MY”) 2016-2019 Mercedes-Benz E-Class and GLC-Class vehicles (213, 238, and 253 platforms).
• 10217157Jul 14, 2022Electrical system, Equipment, Steering. Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams. 1. Steering column height adjustment transmission 2. Seat control unit software Remedy There are 2 repair procedures to follow depending on vehicle (differentiated according to model and vehicle…
• 10217154Jul 11, 2022Suspension, Equipment. Complaint Thumping noise on rear axle shock absorber on rough road. Cause Until now the rear axle shock absorber support bushing was only available together with the rear axle shock absorber as a replacement part. In future, the rear axle shock absorber support bushing will be available individually as a replacement part to avoid any unnecessary shock absorber noise.
• 10217216Jul 1, 2022Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has extended the warranty for the accelerator pedal wiring harness and connectors from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 10 years/120,000 miles for certain Model Year (“MY”) 2016-2019 Mercedes-Benz E-Class and GLC-Class vehicles (213, 238, and 253 platforms).
• 10214958Jun 13, 2022Steering. Complaint 1. Vibrations noticeable at steering wheel when front axle is excited when driving at a speed between 65 km/h and 130 km/h over an obstacle. • Driving over deeply recessed manhole covers • Driving over cross joints • Driving over extreme surface undulations 2. Permanent or long-lasting vibrations at specific speed or engine speed noticeable on steering wheel. • Roadway surface excitations when…
• 10213048Apr 29, 2022Steering. Complaint 1. Vibrations noticeable in steering wheel when front axle is excited while driving at a speed above 40 mph over an obstacle. • Driving over deeply recessed manhole covers • Driving over cross joints • Driving over extreme surface undulations 2. Permanent or long-lasting vibrations at specific speed or engine speed noticeable on steering wheel. • Roadway surface excitations when DTR+Q is switched…
• 10209877Mar 31, 2022Electrical system. Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data in the SAM module to access the health of the 12 volt battery. The XENTRY battery test may not take into account a single discharge event because the SAM cannot record the data if the battery is discharged. Note: A discharged battery does…
• 10209874Mar 11, 2022Electrical system, Engine cooling. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain MY 2015-2018 C-Class and GLC-Class (205 and 253 platform) vehicles, the software for the powertrain control unit may not correspond to the current production specifications. It is possible that the next maintenance interval is displayed to the user as a negative distance reading in the instrument cluster. What We’re…
• 10208745Feb 24, 2022Electrical system. Complaint The following complaints may be noted by the customer: • Upon selecting navigation, the central display may show the following message: "Map data does not match with your system. Please insert a medium containing the corresponding map data".
• 10207198Jan 27, 2022Electrical system. Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. The integrated garage door opener (GDO) is not compatible with the opening system installed in the garage. 2. The garage door drive uses a rolling code system. In contrast to the fixed code system, the LED in the mirror in this case flashes green after programming. 3.
• 10207199Jan 9, 2022Electrical system. 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. When comparing the range between the integrated GTO and the garage door hand transmitter, the garage door hand transmitter is tested outside the vehicle. 3. The garage door hand transmitter is being…
• 10207205Jan 4, 2022Seats, Electrical system. Complaint Seat heating on driver's seat and front passenger seat nonfunctional. The LEDs on the switches for the seat heating illuminate, but the seat heating mats do not get warm. Cause Faulty SCN coding of rear SAM. Remedy • Perform SCN coding of rear SAM (BC_R). • Commission seat heating control unit.
• 10206077Dec 8, 2021Engine cooling. "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
• 10206067Dec 2, 2021Equipment, Electrical system. MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activated
• 10205806Aug 30, 2021Equipment. Upon selecting navigation, the central display may show the following message: "Map data does not match with your system. Please insert a medium containing the corresponding map data". the navigation menu cannot be opened.
• 10205803Aug 27, 2021Equipment. The mobile phone address book may not be transferred completely to the multimedia system COMAND, Audio 20, or MBUX. The contact list may not be fully populated and in some instances, the call list will display telephone numbers but no names.
• 10205813Aug 24, 2021Electrical system. On vehicles with code 077 HERMES dummy module the following functions are restricted, unavailable.
• 11031586Aug 20, 2021Fuel system. This NCU replaces the prior NCU issued on July 30, 2021 and includes an additional population (33) of certain MY 2018 Baumusters covered under this extended warranty.
• 10205814Aug 11, 2021Fuel system. Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
• 10205811Aug 9, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints.
• 10205810Aug 3, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints.
• 10205809Aug 2, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints:
• 10199787Jul 30, 2021Fuel system. Launch EW NCU - Low Pressure Fuel Hose MY 15-17 205 213 253 172
• 10202522Jun 4, 2021Electrical system, Engine. Vehicle does not start after charging process

← All problems reported for the 2017 Mercedes-Benz GLC 300