2019 Mercedes-Benz C 300 Manufacturer communications & TSBs.Page 2
Original record summaries, dates and identifiers for this model-year. Records 101–176 of 176, ordered newest first. Dated records on this page: Jul 8, 2013–Oct 10, 2023.
Read the applicability before drawing a conclusion.
This archive includes service bulletins, warranty notices, software instructions and other communications. Records may repeat or supersede earlier instructions. A model-year association is not proof that a document covers every engine, trim, VIN or reported symptom, or that a repair is free.
NHTSA download snapshot: Sep 28, 2026. These are communication associations for this vehicle, not unique defects. How records are joined and counted.
Oct 10, 2023Service Bulletin/Repair Instructions
LI82.85-P-076800
NHTSA communication ID: 10244837
NHTSA source summary · Original PDF not reviewed by Recallfolio
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 N112/9 control unit for telematics services (HERMES). Software update for control unit N112/9 - Control unit for telematics services (HERMES) to software release E522.8. If, against expectations, the erroneous display of the message in the instrument cluster continues to occur following the update, please create a TIPS case.
Source components: ELECTRICAL SYSTEM · ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL.
NHTSA source summary · Original PDF not reviewed by Recallfolio
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (âMBUSAâ) 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. Why the warranty extension? On certain Model Year 2015 - 2020 C/E/GLC/SLC and SLK vehicles, under certain circumstances, the partial-load ventilation valve (a part of the intake line assembly) may not work as intended, resulting in the illumination of the check engine Malfunction Indicator Lamp (âMILâ). A faulty partial-load ventilation valve might also increase exhaust gas emission. . Any repairs under this warranty extension must be performed by an authorized Mercedes-Benz dealership. ⢠If your preferred authorized Mercedes-Benz dealership performs a diagnosis and confirms that your vehicle has the issue, the repair will be performed at no cost to you. ⢠This extended warranty does not apply to any other components or conditions beyond the ones mentioned above, and standard warranty terms apply, including the exclusions with respect to extra expenses, as identified in the Service and Warranty Information booklet. We hope you are enjoying your Mercedes-Benz vehicle and we apologize for any inconvenience this may have caused.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2018-2023 C-Class, EQE, EQE SUV, EQS, EQS SUV, GLC, GLE and S-Class (206, 295, 294, 297, 296, 254, 167 and 223 platform) vehicles, the communication module software does not correspond with the latest series production configuration. The update is free of charge and will be carried out in the background. The installation will eliminate software errors for a better entertainment experience. The update will show after the ignition has been cycled. MBUSA will conduct an OTA service campaign. A workshop visit for the customer is not required since remote software updates are automatically downloaded and installed in the customerâs vehicle. The OTA may be validated as successful on the customerâs Mercedes Me connect app under âOver-the-Air Vehicle Updatesâ as âUpdate for the communication moduleâ. If the OTA is successful it will show a green âinstalledâ and date of installation in the Over-the-Air update section.
Source components: ELECTRICAL SYSTEM · ELECTRICAL SYSTEM:SOFTWARE.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (âMYâ) 2016 â 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 Lamp (âMILâ) to illuminate. MBUSA will conduct an Emission Service Campaign. An authorized Mercedes-Benz dealer will perform a software update to the air conditioning control unit on the affected vehicles.
Source components: ELECTRICAL SYSTEM · ELECTRICAL SYSTEM:SOFTWARE · VISIBILITY.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Complaint Loads induced at the steering wheel through pushing and pulling actions may cause creaking and cracking noises in the mechanical steering column. Cause Insufficient grease lubrication in the clamping area of the mechanical steering column. Remedy Grease the clamping area.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a result of a long press on the button, but by double-clicking on the button instead.
Source components: ELECTRICAL SYSTEM · LATCHES/LOCKS/LINKAGES.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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. Remedy 1. Check if the problem cannot be rectified by polishing the trim bars with the polishing paste. 2. If the complaint cannot be rectified, replace the door beltline trim bars, door upper trim bars and rear side window with trim element with optimized protective coating.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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 manufacturing date) 1. Replace repair kit for steering column height adjustment 2. Perform software update of driver's seat control unit
NHTSA source summary · Original PDF not reviewed by Recallfolio
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. Remedy For noise problems on the rear axle shock absorbers, please always make a noise diagnosis, for example using Chassis Ear to localize any sources of noise on shock absorbers or support bushings. If the noise originates from the upper part of the shock absorbers, it is enough to replace the support bushings. Otherwise the complete shock absorber including support bushing have to be replaced. The modified support bushings must be replaced in pairs the first time so that any mixed installation of old and new is reliably ruled out.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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 to NTFS (do not use quick formatting option) ⢠Unzip the attached map data deletion file directly to the USB drive. Do not add a folder, only the root files should be shown on the USB drive ⢠Generate a pin for the Navigation Delete Database in Vedoc (see attached screenshot) ⢠Plug USB drive with map data delete file into the vehicle's USB port and follow instructions in the COMAND Display to delete the installed map data ⢠Once the originally installed map data is deleted, then install the newest available map data in Download Manager
Source components: ELECTRICAL SYSTEM · EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM).
NHTSA source summary · Original PDF not reviewed by Recallfolio
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 to NTFS (do not use quick formatting option) ⢠Unzip the attached map data deletion file directly to the USB drive. Do not add a folder, only the root files should be shown on the USB drive ⢠Generate a pin for the Navigation Delete Database in Vedoc (see attached screenshot) ⢠Plug USB drive with map data delete file into the vehicle's USB port and follow instructions in the COMAND Display to delete the installed map data ⢠Once the originally installed map data is deleted, then install the newest available map data in Download Manager
NHTSA source summary · Original PDF not reviewed by Recallfolio
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 not necessarily need to be replaced. A discharged battery may be recovered with no permanent damage. Remedy Follow guided tests as described.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Complaint The touchpad dimming function does not work and the search lighting is either at maximum brightness or fully off (dependent upon dimming signal). Note: The dimming functions of the instrument cluster and head unit display are not affected and remain fully functional. Cause Touchpad (A105) hardware Remedy The serial numbers of the potentially affected parts can be found in the attached list. The serial number can be found on the touchpad itself or in Vedoc (Vedoc -> control units -> TPAD -> serial number). If the serial number listed in VeDoc or on the part (these numbers should be identical) matches one of the serial numbers in the attachment and the described complaint is present, then the touchpad may be replaced.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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. When the handheld remote control is initialized with the integrated GDO, the distance between the handheld remote control and the GDO is too long or too short. 4. The maximum programming time of the hand transmitter was exceeded. The hand transmitter switches itself off after 10s to 20s. However, the garage door opener needs up to 30s to learn the code. 5. The maximum programming time of the integrated GDO was exceeded. The integrated GDO has aborted programming unsuccessfully. 6. The GDO cannot be programmed after replacement (See #9). 7. The batteries of the hand transmitter are too weak. 8. A part of the signal was not registered correctly. 9. The GDO is not programmed to US standards. 10. Errors with Chamberlin MyQ, Liftmaster MyQ, or Craftsman AssureLink systems causing loss of synchronization. Remedy Note: The numbering of the remedies refers to the numbering of the causes. 1. Installation of a universal receiver. Order via the Homelink Hotline. 2. In the case of garage door drives with rolling code system, synchronization of the garage door drive must also be performed. 3. Keep the correct distance when initializing! This can vary between 5 and 20 cm depending on the system. If the initialization attempt is unsuccessful, repeat the initialization process, changing the distance between the hand transmitter and the mirror.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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 aimed towards the garage door, but the vehicle is in a different position. 4. The garage door drive is old. Remedy 1. The lower level of transmission power is mainly perceived by customers who did not have any infrared windows (code 595) or all-round infrared windows (code 596) or heated windshield (code 597) in their previous model or who have another model without this special equipment in their fleet. The loss in transmission has technical reasons, i.e. a thin metal film is fitted in the windows. Please consider these codes and advise the customer accordingly! Replacing parts does not remedy the problem. 2. Perform the comparison test between the integrated GDO and the garage door hand transmitter under identical conditions. The garage door hand transmitter must be inside the vehicle and must be held at the height of the inside rearview mirror. 3. The customer instinctively aims the garage door hand transmitter towards the door. However, the transmission direction of the integrated GDO depends on the position of the inside rearview mirror, and thus depends directly on the position of the vehicle relative to the receiving antenna of the garage door drive.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
Source components: ELECTRICAL SYSTEM · SEATS · SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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 check the activated carbon filter, and replace it, if necessary.
Source components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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 and mildew odors originating from the HVAC system in certain Mercedes-Benz vehicles. As part of the settlement, MBUSA has agreed to offer sliding-scale warranty coverage for certain vehicles diagnosed as having mold or mildew odors originating from the HVAC system. Although the settlement has received court approval, warranty coverage will not take effect until December 7, 2020, when the appeal period for class members will have expired. If the settlement takes effect, warranty coverage will include cleaning of the evaporator and replacement of the HVAC filters.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz, has determined that on certain MY19-20 C-Class, GLC-Class, and AMG GT (205, 253, and 290 platform) vehicles, the software for the AMG drive unit control unit does not correspond to the current series production configuration. As a result, noise may occur from the engine mounts. An authorized Mercedes-Benz dealer will update the software as necessary.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz, has determined that the active engine mounts in certain C-Class (model series 205), E-Class (model series 213), GLC (model series 253), and AMG GT (model series 290) vehicles cannot be energized after a failure of the acceleration sensors. As a result, noises from the rear axle differential would be noticeable. This is why a software update of the AMG drive unit control unit must be performed in the affected vehicles. The work required for this purpose can be found in the attached work description.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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. Check housing cover of lamp unit for natural fogging or dew as per GI82.10-P-009047. . 1. If a reduction in the degree of fogging is visible, the desiccant packs can be used once the condensation has completely evaporated. 1.1. Order the required service covers by referring to the variant overview. 1.2. Remove lamp unit 1.3. Remove all grommets from vent openings. 1.4. Seal vent openings with sealing profile. Important: All openings must be sealed carefully for the pressure compensation membrane to work properly! 1.5. Remove existing service cover 1.6. Place desiccant packs in new service covers and bolt down 1.7. Stick new diaphragm onto specified surface on service cover [picture of service cover] Note: The bonding surface must be clean and dry. 06
NHTSA source summary · Original PDF not reviewed by Recallfolio
The Audio 20 control unit (A26/17) or COMAND Online control unit (A26/17) does not start (central display dark/ no audio output) and is not recognized with XENTRY Diagnostics although the fuses and the power supply are OK.
NHTSA source summary · Original PDF not reviewed by Recallfolio
The animation in individual vehicle settings such as, e.g. mirror folding function or seat belt adjustment is missing. Note: The functions of these vehicle settings are not affected.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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).