2021 Mercedes-Benz C 300: recalls and complaints

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All updates to the register

• 23V44500026 Jun 2023Fuel System, Gasoline / Delivery / Fuel Pump
• 22V36500020 May 2022Electrical System / Software
• 22V2320008 Apr 2022Back Over Prevention / Display Function
• 21V40600028 May 2021Seats / Mid/Rear Assembly / Head Restraint
• 21V2300001 Apr 2021Seats
• 21V0580005 Feb 2021Communication / Auto Crash Notification
• 21V03200029 Jan 2021Seat Belts / Front / Retractor

1. 23V445000Received 26 Jun 2023. 143,551 units.

   Fuel System, Gasoline / Delivery / Fuel Pump

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.

   Consequence, in the NHTSA record

   A loss of drive power can increase the risk of a crash.

   Remedy, in the NHTSA record

   Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2023070012. Owner notification date in the NHTSA record: 29 Sep 2023.

2. 22V365000Received 20 May 2022. 242,722 units.

   Electrical System / Software

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.

   Consequence, in the NHTSA record

   A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

   Remedy, in the NHTSA record

   The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.

   Report filed by Mercedes-Benz USA, LLC. Owner notification date in the NHTSA record: 8 Jul 2022.

3. 22V232000Received 8 Apr 2022. 126,443 units.

   Back Over Prevention / Display Function

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The rearview camera may not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

   Consequence, in the NHTSA record

   An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.

   Remedy, in the NHTSA record

   Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022060007. Owner notification date in the NHTSA record: 15 Jul 2022.

4. 21V406000Received 28 May 2021. 218 units.

   Seats / Mid/Rear Assembly / Head Restraint

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C300 Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63 AMG S Cabriolet, E450 Cabriolet, and E53 AMG Cabriolet vehicles. The rear headrests may be incorrectly mounted to the seatbacks.

   Consequence, in the NHTSA record

   Incorrectly mounted headrests could move or detach from the seat during a crash, increasing the risk of injury.

   Remedy, in the NHTSA record

   Dealers will inspect the rear seatback guide bushings and replace them if necessary, free of charge. Owner notification letters were mailed July 16, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021060010.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021060010. Owner notification date in the NHTSA record: 16 Jul 2021.

5. 21V230000Received 1 Apr 2021. 8,634 units.

   Seats

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C-Class, E-Class, E-Class Coupe and Convertible, GLC, CLS, AMG GT 4-door Coupe and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. A faulty electrical contact within the seat position switch may prevent the driver and passenger air bags and seat belt force limiters from properly activating during a crash.

   Consequence, in the NHTSA record

   Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.

   Remedy, in the NHTSA record

   MBUSA will notify owners, and dealers will replace the seat position switches, free of charge. Owner letters were mailed May 21, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021040016.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021040016. Owner notification date in the NHTSA record: 21 May 2021.

6. 21V058000Received 5 Feb 2021. 1,292,258 units.

   Communication / Auto Crash Notification

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.

   Consequence, in the NHTSA record

   Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

   Remedy, in the NHTSA record

   MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021020025. Owner notification date in the NHTSA record: 12 Mar 2021.

7. 21V032000Received 29 Jan 2021. 24,550 units.

   Seat Belts / Front / Retractor

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2021 C300, 2017-2020 AMG C43, and AMG C63 vehicles. The front seat belts might not fully retract to their stowed position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."

   Consequence, in the NHTSA record

   If the seat belt does not fully retract, the occupant may find the operation of the seat belt inconvenient and not wear it, increasing the risk of injury in the event of a crash.

   Remedy, in the NHTSA record

   MBUSA will notify owners, and dealers will check the retraction function of the front seat belts and adjust the damping foam within the B-pillars, as necessary, free of charge. The recall began February 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021020010.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021020010. Owner notification date in the NHTSA record: 26 Feb 2021.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

A complaint can name more than one component. Each component that a complaint names is one component mention. This model year has fewer than 50 component mentions, so the table shows the number of mentions only.

Complaints that report a crash

0

Complaints that report a fire

0

Injuries in the complaints

0

Deaths in the complaints

0

Date of the newest complaint

7 Aug 2026

These figures are the entries of the persons who sent the complaints.

Complaint: A report about a possible safety problem that a person sends to NHTSA. This site shows the number of complaints and not their text.

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

1. 201715
2. 201818
3. 201917
4. 20209
5. 20217
6. 20229
7. 20239
8. 20243
9. 20252
10. 20261

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

• Mercedes-Benz C 300: all model years
• Mercedes-Benz: 284 model lines

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• NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
• NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
• NHTSA page of the 2021 Mercedes-Benz C 300The recalls, the complaints and the investigations that NHTSA shows for this model year.

How many units are in the recall campaigns for the 2021 Mercedes-Benz C 300?

1,838,376 units in 7 campaigns. A campaign can name other models and model years, and its units include them.

How many recall campaigns does the Mercedes-Benz C 300 have for all model years?

NHTSA lists 46 recall campaigns for the Mercedes-Benz C 300, model years 2017 to 2026. 7 of them name the 2021 model year.

Which component do the complaints about the 2021 Mercedes-Benz C 300 name most often?

Engine: 8 of 16 component mentions.

Is an NHTSA investigation of the 2021 Mercedes-Benz C 300 open?

The NHTSA investigation file has no investigation that names this model year.