2018 Mercedes-Benz C 300 4MATIC Technical Service Bulletins

141 technical service bulletins (TSBs) are on record for the 2018 Mercedes-Benz C 300 4MATIC. 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.

• 10215212Jun 15, 2022Equipment, Electrical system. Complaint Customer may have one or more of the following complaints: • Vehicle location is shown incorrectly in the Navigation Display • Navigation destination search is not possible • Street names are not shown in Navigation display • Apple Carplay is inoperable Cause Improper installation of navigation map data Remedy Follow these steps to delete and re-install map data: • Re-format an empty USB drive…
• 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…
• 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…
• 10206077Dec 8, 2021Engine cooling. "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
• 10205807Aug 27, 2021Equipment. The Weather App will not populate local weather data based on current vehicle position.
• 10205814Aug 11, 2021Fuel system. Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
• 10205801Aug 10, 2021Equipment. Intermittently after bus sleep the lower control panel LCP and upper control panel UCP may be panel UCP may be inoperable.
• 10205804Aug 9, 2021Equipment. Insufficient charging or no wireless charging with iPhone 12.
• 10202531Jun 16, 2021Interior lighting. Touch pad: Search lighting does not dim or does not turn on.
• 10195220Apr 20, 2021Electrical system. For plug in hybrid and electric variants: Complaints about the electric range
• 10189400Feb 11, 2021Engine cooling. Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year 2018-2019 C and E-Class vehicles (205/238 platforms), an incorrect activated carbon filter might have been installed. In this case, the vehicle may not meet emission and certification requirements. MBUSA will conduct a voluntary Emission Recall Campaign in which an authorized Mercedes- Benz dealer will…
• 10187796Jan 14, 2021Electrical system, Equipment. Replace 3rd brake lamp, remove soft top compartment cover to access.
• 10186141Dec 10, 2020Electrical system. NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock
• 10186135Dec 9, 2020Brakes, Electronic stability control. 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
• 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…
• 10178715Jun 30, 2020Exterior lighting. Headlamps fogged
• 10178713Jun 30, 2020Exterior lighting. Headlamps fogged
• 10175245Apr 30, 2020Equipment. NTG5.5 Audio 20 with codes 355 and 357: Vehicle positioning inaccurate / implausible, route guidance not possible
• 10172683Feb 7, 2020Tires, Equipment. Information Label on Tire Sealant
• 10162631Jun 27, 2019Visibility (wipers, defrost, mirrors). Outside mirror folding out/in nonfunctional
• 10162206May 28, 2019Engine cooling. Check coolant hose from expansion reservoir to cooler and replace if necessary
• 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
• 10162185May 20, 2019Electrical system. NTG 5.5 head unit - Browser shows "Fault during authentication" message
• 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.
• 10151959Jul 23, 2018Seat belts. Seat belt extender toothed rack sluggish or makes noises
• 10205259Apr 20, 2018Equipment. Sprinter weekly parts update.
• 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
• 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.
• 10205223Aug 26, 2016Exterior lighting. Headlamp fog.
• 10205241Aug 25, 2016Equipment. Navigation system permanently displays "Activating".
• 10167084Apr 10, 2014Visibility (wipers, defrost, mirrors). Passenger side outside mirror glass adjusts itself at random at ignition on/off
• 10167571Mar 10, 2014Equipment. In addition to the information published in the Introduction into Service Manual, note maintenance interval changes for model 205.
• 10167531Mar 10, 2014Equipment. MY-All Model 205, Maintenance Interval
• 10167563Jul 8, 2013Electrical system. 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).

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