2023 Mercedes-Benz C 300: Recalls, Problems & MPG
Here are the deets on the 2023 Mercedes-Benz C 300: 9 recalls, 22 owner complaints and up to 29 mpg combined.
Recalls
9 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Fuel system Vehicle recall #23V445000 · 2023 · 143,551 vehicles
What's wrong: 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.
The fix: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024.
Electrical Vehicle recall #23V463000 · 2023 · 1,558 vehicles
What's wrong: The ground connections for the electrical wiring harness May not be secured properly, which can result in the electrical wiring harness overheating.
Why it matters: An overheated wiring harness can increase the risk of a fire.
The fix: Dealers will inspect and repair the ground connections for the electrical wiring harness, as necessary, free of charge. Owner notification letters were mailed August 11, 2023.
Electrical Vehicle recall #23V462000 · 2023 · 8,178 vehicles
What's wrong: The transmission wiring harness May be the incorrect length, which can result in harness damage and a loss of drive power.
Why it matters: A loss of drive power can increase the risk of a crash.
The fix: Dealers will inspect and repair the transmission wiring harness routing, as necessary, free of charge. Owner notification letters were mailed August 18, 2023.
Fuel system Vehicle recall #23V880000 · 2023 · 79,676 vehicles
What's wrong: Please refer to mbusa's recall report for specific vehicle details. The fuel pump May shutdown, causing a loss of drive power.
Why it matters: A loss of drive power can increase the risk of a crash.
The fix: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on February 23, 2024, April 19, 2024, June 28, 2024, August 9, 2024, October 1, 2024, and December 2, 2024.
Electrical Vehicle recall #24V115000 · 2024 · 31,848 vehicles
What's wrong: The 80-amp fuses May have been manufactured incorrectly, which can cause the fuses to fail.
Why it matters: An 80-amp fuse that fails can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument cluster, increasing the risk of a crash or injury. Additionally, there could be an increased risk of a fire.
The fix: Dealers will replace the main fuse boxes, free of charge. Owner notification letters were mailed April 5, 2024.
Electrical Vehicle recall #24V446000 · 2024 · 1,058 vehicles
What's wrong: 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.
Why it matters: An overheated wire can cause a fire and a sudden loss of drive power, increasing the risk of a crash.
The fix: 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.
Seat belts Vehicle recall #25V253000 · 2025 · 46 vehicles
What's wrong: 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.
Why it matters: A loose seat belt May not properly restrain an occupant during a crash, increasing the risk of injury.
The fix: Dealers will inspect and repair the seat belt covers, as necessary, free of charge. Owner notification letters were mailed May 16, 2025.
Electrical Vehicle recall #25V255000 · 2025 · 443 vehicles
What's wrong: An incorrect fuse box that was not designed for the vehicle May have been installed.
Why it matters: An incorrect fuse box can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument cluster, increasing the risk of a crash or injury. Additionally, there could be an increased risk of a fire.
The fix: Dealers will inspect and replace the main fuse boxes, free of charge. Owner notification letters were mailed June 6, 2025.
Latches & locks Vehicle recall #26V481000 · 2026 · 310,667 vehicles
What's wrong: 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.
Why it matters: A vehicle rollaway increases the risk of a crash or injury.
The fix: Dealers will replace the driver's door lock, free of charge. Owner notification letters are expected to be mailed September 18, 2026. This will be a phased campaign, with the remedy becoming available in different phases based on model and model years.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 1 injuries and 0 deaths were reported.
What owners describe
- Forward collision avoidance (10): the most common themes are warning light on (2).
- Brakes (5): no single recurring theme in the descriptions.
- Electrical (5): the most common themes are electrical failure (3), warning light on (2).
- Other / unknown (4): no single recurring theme in the descriptions.
The 2023 Mercedes-Benz C 300 has 22 owner complaints, ranking #6 of 10 C 300 model years for complaints (well below the 50 average). Complaints peaked in 2023 (10 filed that year). The typical problem showed up when the car was about 0 years old, at a median of 3,900 miles. Neighboring years: 2022 (25 complaints, 9 recalls), 2024 (11 complaints, 3 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.0 L 4-cyl turbo hybrid | Automatic 9-spd | Rear-Wheel Drive | 25 | 36 | 29 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2023 Mercedes-Benz C 300.
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Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
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FAQ
Does the 2023 Mercedes-Benz C 300 have any recalls?
Yes. NHTSA lists 9 vehicle recalls for the 2023 Mercedes-Benz C 300. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2023 Mercedes-Benz C 300 problems?
Owners have filed 22 complaints with NHTSA. The most-reported areas are forward collision avoidance (10), brakes (5), electrical (5).
What gas mileage does the 2023 Mercedes-Benz C 300 get?
EPA ratings run up to 29 mpg combined (2.0 L, Automatic 9-spd), across 1 engine and transmission combos.
Where can I get a 2023 Mercedes-Benz C 300 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.