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MODEL-YEAR RECALL REPORT

2021 Mercedes-Benz C 300 recalls

NHTSA's September 21, 2026 snapshot lists 7 safety recall campaigns for the 2021 Mercedes-Benz C 300, spanning 7 component groups. A model match does not confirm that a specific VIN is included.

Official source: NHTSA recall campaign file · Snapshot September 21, 2026

Distinct campaigns7not VIN-specific
Component groups7distinct top-level categories
Latest recordJune 26, 2023report received
VIN resultNot checkeduse official lookup

01 / OFFICIAL CAMPAIGNS

2021 Mercedes-Benz C 300 recall campaigns

The 2021 Mercedes-Benz C 300 report contains 7 distinct NHTSA campaigns; the most recently received record is campaign 23V445000 dated June 26, 2023.
Component
FUEL SYSTEM, GASOLINE
Report received
June 26, 2023
Potential units
143,551campaign-wide
Defect and consequence

Defect: 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.

Why it matters: A loss of drive power can increase the risk of a crash.

Remedy

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.

Owner notification: September 29, 2023 · Filing manufacturer: Mercedes-Benz USA, LLC

Component
COMMUNICATION, ELECTRICAL SYSTEM
Report received
May 20, 2022
Potential units
242,722campaign-wide
Defect and consequence

Defect: 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.

Why it matters: 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

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.

Owner notification: July 8, 2022 · Filing manufacturer: Mercedes-Benz USA, LLC

Component
BACK OVER PREVENTION
Report received
April 8, 2022
Potential units
126,443campaign-wide
Defect and consequence

Defect: 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.".

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

Remedy

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.

Owner notification: July 15, 2022 · Filing manufacturer: Mercedes-Benz USA, LLC

CAMPAIGN

NHTSA 21V406000

Component
SEATS
Report received
May 28, 2021
Potential units
218campaign-wide
Defect and consequence

Defect: 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.

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

Remedy

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.

Owner notification: July 16, 2021 · Filing manufacturer: Mercedes-Benz USA, LLC

Component
AIR BAGS, SEAT BELTS, SEATS
Report received
April 1, 2021
Potential units
8,634campaign-wide
Defect and consequence

Defect: 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.

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

Remedy

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.

Owner notification: May 21, 2021 · Filing manufacturer: Mercedes-Benz USA, LLC

Component
COMMUNICATION, ELECTRICAL SYSTEM
Report received
February 5, 2021
Potential units
1,292,258campaign-wide
Defect and consequence

Defect: 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.

Why it matters: 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

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.

Owner notification: March 12, 2021 · Filing manufacturer: Mercedes-Benz USA, LLC

Component
SEAT BELTS
Report received
January 29, 2021
Potential units
24,550campaign-wide
Defect and consequence

Defect: 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.".

Why it matters: 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

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.

Owner notification: February 26, 2021 · Filing manufacturer: Mercedes-Benz USA, LLC

02 / COMPONENT BREADTH

What defects are listed for the 2021 Mercedes-Benz C 300?

The most frequent component groups in 2021 Mercedes-Benz C 300 campaign records are Seat Belts (2), Communication (2), Electrical System (2), Seats (2), Air Bags (1); these counts describe filed campaigns rather than observed failure rates.
Seat Belts2
Communication2
Electrical System2
Seats2
Air Bags1

03 / MODEL-YEAR CONTEXT

How the 2021 Mercedes-Benz C 300 compares across model years

RecallRoad publishes 8 model-year reports for the Mercedes-Benz C 300, spanning 2017–2024; each year keeps its NHTSA campaign count separate.
Open the complete Mercedes-Benz C 300 model history →