2023 Mercedes-Benz C 300 Problems, Complaints & Recalls
- Compared with other C 300 years
- Far fewer complaints than other years 15th of 19 for complaints
- Safety recalls
- 9 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 22 complaints with NHTSA about the 2023 Mercedes-Benz C 300. That ranks 15th out of 19 C 300 model years for complaints. The most reported problem area is forward collision avoidance (10 complaints, 45%), typically at around 6,000 miles. Complaints mention 2 crashes, 1 injury. There are 9 safety recalls covering this model year.
- 22owner complaints
- 9safety recalls
- 0NHTSA investigations
- 2complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2023 Mercedes-Benz C 300 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Forward Collision Avoidance | 10 | 45% | 6,000 | — | — |
| Electrical System | 5 | 23% | 6,000 | — | — |
| Service Brakes | 5 | 23% | 2,000 | — | — |
| Unknown or Other | 4 | 18% | — | — | — |
| Engine | 2 | 9% | 3,900 | — | — |
| Tires | 2 | 9% | 9,000 | — | — |
| Fuel/propulsion System | 1 | 5% | — | — | — |
| Power Train | 1 | 5% | — | — | — |
| Structure | 1 | 5% | — | — | — |
| Visibility/wiper | 1 | 5% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2023 Mercedes-Benz C 300 recalls (9)
Tap a recall to see the problem, the risk and the fix.
Latches/locks/linkages:doors:lock
Problem: 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.
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. 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.
Electrical system:wiring:fuses and circuit breakers
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 C-Class, E-Class, S-Class, SL, GLC, EQE SUV, EQE, EQS SUV, and EQS vehicles that were incorrectly repaired under recall 24V-115. An incorrect fuse box that was not designed for the vehicle may have been installed.
Risk: 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.
Fix: Dealers will inspect and replace the main fuse boxes, free of charge. Owner notification letters were mailed June 6, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025050003/4.
Seat belts:front
Problem: 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.
Fix: 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.
Electrical system:wiring:fuses and circuit breakers
Problem: 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.
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.
Electrical system:wiring:fuses and circuit breakers
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 C300, AMG C43, S580e, S580, Maybach S580, Maybach S680, AMG SL43, AMGSL63, GLC300, EQE350, EQE500, EQS450, EQS580, AMG EQS, 2023 S500, AMG SL55, AMG EQE, 2024 E350, E450, AMG C63e S, CLE300 Coupe, CLE450 Coupe, and GLC300 Coupe vehicles. The 80-Amp fuses may have been manufactured incorrectly, which can cause the fuses to fail.
Risk: 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.
Fix: Dealers will replace the main fuse boxes, free of charge. Owner notification letters were mailed April 5, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024030008.
Fuel system, gasoline:delivery:fuel pump
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2024 GLE, GLS, C-Class, E-Class, S-Class, SL, GLC, CLS, AMG GT, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, causing a loss of drive power.
Risk: A loss of drive power can increase the risk of a crash.
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. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 23V-445.
Electrical system:wiring
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C300 and 2023 AMG C43 vehicles. The transmission wiring harness may be the incorrect length, which can result in harness damage and a loss of drive power.
Risk: A loss of drive power can increase the risk of a crash.
Fix: Dealers will inspect and repair the transmission wiring harness routing, as necessary, free of charge. Owner notification letters were mailed August 18, 2023. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's number for this recall is 2023070015.
Electrical system:wiring
Problem: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C300 and 2023 AMG C43 vehicles. The ground connections for the electrical wiring harness may not be secured properly, which can result in the electrical wiring harness overheating.
Risk: An overheated wiring harness can increase the risk of a fire.
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. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's numbers for this recall are 2023070016, 2023070017, 2023070018, and 2024070016.
Fuel system, gasoline:delivery:fuel pump
Problem: 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.
Risk: A loss of drive power can increase the risk of a crash.
Fix: 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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
When going into Reverse the passenger side mirror angles down to see curbs. When putting back into Drive it should be going back up to normal angle, but 20% of the time it does not go back up. If you're driving in the dark you may not know it's reverted back up and get into a car accident…
The contact owns a 2023 Mercedes-Benz C300. The contact stated that on occasion while driving at various speeds, the vehicle unexpectedly stopped without the brake pedal being depressed. There were no warning lights illuminated. The vehicle was diagnosed twice by the local dealer, and the contact…
My panoramic sunroof spontaneously exploded while driving down the highway, no external impact was made. The glass exploded from the inside out. It made a loud boom, it startled me on the highway resulted me to swerving on the road, which would have put me and other drivers at risk. There's plenty…
On 4 different occasions car brake assist activated causing car to come to an immediate stop and jerk. At stop light as I started to accelerate a left turn car came to an immediate stop almost causing the car behind hit rear end. Brake assist light activated. This happened twice. And twice when in…
While driving at 60mph my panoramic sunroof completely shattered. Nothing at all hit the sunroof to cause it to shatter. If my sunshade cover had not been on, the glass would have fallen on me while operating my vehicle. This is not only dangerous but unacceptable. It was also a distraction that…
Other Mercedes-Benz C 300 years
| Year | Complaints | Recalls |
|---|---|---|
| 2026 C 300 | 2 | 1 |
| 2025 C 300 | 4 | 2 |
| 2024 C 300 | 11 | 3 |
| 2023 | 22 | 9 |
| 2022 C 300 | 25 | 9 |
| 2021 C 300 | 14 | 7 |
| 2020 C 300 | 33 | 9 |
| 2019 C 300 | 69 | 17 |
| 2018 C 300 | 99 | 18 |
| 2017 C 300 | 216 | 15 |
| 2016 C 300 | 288 | 13 |
| 2015 C 300 | 381 | 11 |
| 2014 C 300 | 94 | 5 |
| 2013 C 300 | 261 | 6 |
| 2012 C 300 | 266 | 6 |
| 2011 C 300 | 480 | 6 |
| 2010 C 300 | 453 | 6 |
| 2009 C 300 | 576 | 8 |
| 2008 C 300 | 672 | 7 |
See all Mercedes-Benz C 300 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
Similar Mercedes-Benz models
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Frequently asked questions
What are the most common problems with the 2023 Mercedes-Benz C 300?
Owners most often report forward collision avoidance, electrical system, service brakes problems. The top one, forward collision avoidance, accounts for 10 complaints.
Was there a recall on the 2023 Mercedes-Benz C 300?
Yes, 9 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2023 Mercedes-Benz C 300 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other C 300 model years, the 2023 has far fewer complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.