2018 Mercedes-Benz GLC 300 Technical Service Bulletins

210 technical service bulletins (TSBs) are on record for the 2018 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.

• 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
• 10202530May 25, 2021Electrical system, Equipment, Engine cooling. Remote start causing CEL and U012600.
• 10195220Apr 20, 2021Electrical system. For plug in hybrid and electric variants: Complaints about the electric range
• 10187785Jan 4, 2021Other or unknown, Electrical system, Equipment. The following complaints may be noted by the customer: - The MBUX multimedia system (A26/17) starts route guidance without user input and does not provide any audio notification. - The MBUX multimedia system (A26/17) does not give any spoken or visual driving instructions. Only the destination information and the current route are shown in the MBUX multimedia system (A26/17)
• 11031594Oct 29, 2020Visibility (wipers, defrost, mirrors). This NCU replaces the prior NCUs issued on May 18, June 25, 2020 and October 1, 2020 and contains important workshop instructions on how the HVAC Service Warranty repair must be carried out. 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…
• 10181128Sep 16, 2020Steering. Cracking/Creaking Noises Coming From The Area Of The Mechanical Steering Column
• 10179961Aug 10, 2020Equipment. Mobile phone Apple iPhone 11/11Pro/11ProMax/SE 2020: The Bluetooth connection between the MBUX multimedia system and the mobile phone is briefly lost
• 10179956Aug 10, 2020Electrical system. Xentry Battery Tester results disagree with workshop assessment
• 10179955Aug 7, 2020Steering. Steering wheel heater and/or Distronic function limited
• 10179966Jul 31, 2020Equipment, Other or unknown. Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional
• 10178737Jul 23, 2020Electrical system. MBUX multimedia system: "Favorites" and "Recent destinations" not available
• 10176662May 21, 2020Electrical system. Fault code B223209 is logged in the parking control unit
• 10172681Feb 19, 2020Electrical system. Event memory in the instrument cluster mileage readings intermittently inaccurate
• 10172683Feb 7, 2020Tires, Equipment. Information Label on Tire Sealant
• 10171646Jan 14, 2020Equipment. Audible fan noise from area of center console
• 10170545Dec 23, 2019Equipment. MBUX multimedia system: Mercedes-Benz service stations not available in Navigation menu
• 10167785Oct 14, 2019Equipment, Brakes, Electrical system. G-Class Facelift 2018: Fault message "ABS, ESP inoperative, see operator's manual"
• 10164807Aug 19, 2019Steering. Assessment of actuating and operating noise from steering
• 10162631Jun 27, 2019Visibility (wipers, defrost, mirrors). Outside mirror folding out/in nonfunctional
• 10162205May 30, 2019Equipment. MBUX multimedia system: No vehicle image in menu settings
• 10162197May 22, 2019Electrical system. "High-voltage battery warning message" in instrument cluster
• 10162198May 21, 2019Hybrid propulsion system. Electric range is reduced after brief period
• 10162200May 20, 2019Electrical system. COMAND Online (code 531): Wrong date in system settings, incorrect time in instrument cluster
• 10162182May 10, 2019Engine cooling. Retrofit protective grille for additional cooler
• 10162191May 2, 2019Equipment. Head-up display (HUD, code 463) - lines on the display, display flickers
• 11031729Mar 20, 2019Engine. The purpose of this letter is to advise you of additional benefits that Mercedes-Benz is providing to you regarding your vehicle ownership.
• 11031616Mar 13, 2019Engine. Daimler AG (“DAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on the various Model Year (“MY”) 2014 - 2018 Mercedes-Benz vehicles listed below, the engine control unit (ECU) software may not meet current specifications. In certain circumstances when the vehicles are parked for a long duration, an erroneous activation of the “Check Engine Lamp” for the outside temperature sensor might occur.
• 10151933Jul 11, 2018Equipment. Audio 20: Playback stops when a track is changed.
• 10151932Jul 10, 2018Equipment. Audio 20: SD card with audio files is not read
• 10144074Mar 2, 2018Fuel system. Update fuel system control unit (FSCU) software
• 10135514Feb 16, 2018Electrical system. Update HERMES control unit software
• 10135440Jan 11, 2018Electrical system. Message "SOS - Service Not Activated" in instrument cluster
• 10134794Dec 8, 2017Equipment. Clock is slow in vehicles without navigation
• 10158321Oct 5, 2017Equipment, Exterior lighting. LED light on thermal cup holder in rear passenger compartment of BR 222 flickers
• 10158239Sep 19, 2017Interior lighting. Partial operation of interior ambient lighting
• 10135785Jan 30, 2017Brakes. Brake squeal from front axle at low temperatures
• 10135786Jan 11, 2017Transmission and drivetrain. Perform SCN Coding in Transmission Control Module
• 10205242Nov 29, 2016Equipment. Navigation system permanently displays "Activating".
• 10205240Aug 29, 2016Equipment. Reset the customer-specific data and perform a software update of the AUDIO20 control unit.
• 10205247Aug 25, 2016Equipment. Traffic information service and posibly the voice control, nonfunctional after navigation software update.
• 10205241Aug 25, 2016Equipment. Navigation system permanently displays "Activating".
• 10205230Aug 15, 2016Equipment. CD/DVD No longer ejected or drawn in.
• 10205252Aug 11, 2016Electrical system. High voltage battery warning message in instrument cluster.

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