2018 Mercedes-Benz C 300 Problems
Real NHTSA owner complaints for the 2018 Mercedes-Benz C 300.
Worst 2018 Mercedes-Benz C 300 Problems
Top 3 most-reported issues with average mileage at failure.
Engine Problems
Steering Defects
Electrical Faults
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All Problems by Category
Every NHTSA complaint category for the 2018 Mercedes-Benz C 300.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 34 | — | — | 25,335 mi | |
| Steering Defects | 11 | 1 | — | — | |
| Electrical Faults | 10 | 1 | — | 50,600 mi | |
| Fuel System | 9 | — | — | 62,000 mi | |
| Body Structure | 7 | 2 | — | 3,842 mi | |
| Structural Problems | 5 | — | — | 67,667 mi | |
| Airbags | 4 | 1 | — | — | |
| Forward Collision Avoidance: Automatic Emergency Braking | 4 | 2 | — | — | |
| Communication | 3 | — | — | — | |
| Headlight/Taillight Failures | 2 | — | — | — | |
| Transmission / Drivetrain | 2 | — | — | — | |
| Brakes | 2 | — | — | — | |
| Tire Defects | 2 | 1 | — | — | |
| Visibility | 2 | — | — | — | |
| Back Over Prevention: Sensing System: Camera | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System | 1 | — | — | — | |
| Equipment:Electrical:Infotainment | 1 | — | — | — | |
| Forward Collision Avoidance: Warnings | 1 | 1 | — | — | |
| Gasoline Fuel System | 1 | — | — | — | |
| Interior Lighting | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Seat-Related Issues | 1 | — | — | — | |
| Steering:Rack And Pinion | 1 | — | — | — | |
| Visibility:Rearview Mirrors/Devices:Exterior | 1 | — | — | — | |
| Wheel Issues | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2018 Mercedes-Benz C 300. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2018 Mercedes-Benz C 300
2 NHTSA recall campaigns affecting ~245,698 vehicles.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.
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.
Other Mercedes-Benz C 300 Years
2018 Mercedes-Benz C 300 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2018 Mercedes-Benz C 300 reliable?
What are common problems with the 2018 Mercedes-Benz C 300?
At what mileage do problems start on the 2018 Mercedes-Benz C 300?
How safe is the 2018 Mercedes-Benz C 300?
Does the 2018 Mercedes-Benz C 300 have any recalls?
Should I buy a 2018 Mercedes-Benz C 300?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Mercedes-Benz C 300 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2018 Mercedes-Benz C 300
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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