2022 Mercedes-Benz C300 Problems, Recalls & Reliability
Verdict
BestComplaint Index
20/100
#13 most-complained of 16 C300 years
The 2022 Mercedes-Benz C300 ranks 13th out of 16 model years by complaint volume, with a complaint index of 20 and a "Best" verdict relative to other C300 years. It has 25 complaints, 9 recalls, and one crash reported to NHTSA.
- Complaints
- 25
- Recalls
- 9
- Crashes / fires
- 1 / 0
- Injuries / deaths
- 1 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 25
- 22 city / 31 hwy
Top 2022 Mercedes-Benz C300 problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
- Electrical System8 (32%)
- Collision Avoidance & Cameras8 (32%)
- Fuel System7 (28%)
- Engine3 (12%)
- Lane Departure3 (12%)
- Brakes2 (8%)
- Other2 (8%)
- Structure & Body2 (8%)
- Seat Belts1 (4%)
- Steering1 (4%)
What owners report
- Active Brake Assist activated with no obstacle present, causing sudden stops at highway speeds and near rear-end collisions.
- Active Brake Assist and camera sensors failed to alert the driver during a frontal crash and did not record the event.
- The center touchscreen shuts down entirely, disabling blind spot assist, lane keeping assist, parking assist, and climate/sound controls.
- Owners report the driver seat shifts position when braking or decelerating.
- Braking produces a clunking noise and a thumping felt through the brake pedal at very low mileage.
- Owners report delays getting the electrical wiring recall (22V678000) repaired due to parts unavailability.
2022 Mercedes-Benz C300 recalls
9 NHTSA recall campaigns list this model year.
- NHTSA 26V481000Jul 24, 2026Structure & Body310,667 vehicles
Latches/locks/linkages:doors:lock
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 CLA, 2019-2022 A-Class, 2022-2023 C-Class, 2024 CLE, 2020-2026 GLA/GLB, and 2023-2024 GLC vehicles. Please refer to MBUSA's recall report for specific model information. The micro-switch in the driver's door lock may corrode and fail to detect an open door, preventing the electronic parking brake or "Auto-Park" feature from engaging automatically. This may result in a vehicle rollaway.
Risk: A vehicle rollaway increases the risk of a crash or injury.
Remedy: Dealers will replace the driver's door lock, free of charge. Owner notification letters are expected to be mailed September 18, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning July 31, 2026.
- NHTSA 25V253000May 2, 2025Seat Belts46 vehicles
Seat belts:front
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2025 C 300, and 2023-2024 AMG C 43 vehicles. The driver-side seat belt cover may not be properly installed on the seat belt tensioner, which can cause the seat belt anchor to come loose.
Risk: A loose seat belt may not properly restrain an occupant during a crash, increasing the risk of injury.
Remedy: Dealers will inspect and repair the seat belt covers, as necessary, free of charge. Owner notification letters were mailed May 16, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025040012.
- NHTSA 24V446000Jun 14, 2024Electrical System1,058 vehicles
Electrical system:wiring:fuses and circuit breakers
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C 300 vehicles. The bolt securing the electrical wire to the pre-fuse box could be improperly tightened, causing the wire to overheat. MBUSA's number for this recall is 2024070005.
Risk: An overheated wire can cause a fire and a sudden loss of drive power, increasing the risk of a crash.
Remedy: Dealers will inspect and rework the wiring harness, as necessary free of charge. Owner notification letters were mailed August 2, 2024. Owner may contact MBUSA customer service at 1-877-496-3691.
2022 Mercedes-Benz C300 fuel economy and fuel cost
- City
- 22 MPG
- Highway
- 31 MPG
- Combined
- 25 MPG
- Annual fuel cost (EPA)
- $3,200
- 15,000 mi/yr
- Fuel
- Premium
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2022 compared with other C300 years
Frequently asked questions
- Is the 2022 Mercedes-Benz C300 reliable?
- Among 16 model years of the C300, 2022 ranks 13th worst with a complaint index of 20 and a "Best" verdict, meaning it has fewer reported problems than most other C300 years.
- What are the biggest problem areas for the 2022 C300?
- NHTSA data shows Electrical System and Collision Avoidance & Cameras each account for 32% of complaints (8 each), followed by Fuel System at 28% (7 complaints).
- Does the 2022 Mercedes-Benz C300 have recalls?
- Yes, NHTSA lists 9 recalls for the 2022 C300, covering the electrical wiring harness, fuel pump, seat belt cover, and a signal acquisition module moisture issue, among others.
- How does 2022 compare to other C300 years?
- The 2022 C300 has a complaint index of 20, better than the 2010 (93) and 2011 (100) years rated "Avoid," but slightly higher than 2021 (7) and 2024 (13), which rank "Best."