Mercedes-Benz C-Class
NHTSA Complaints & Reliability Data
Top Problem Areas
Most commonly reported issues
Recent Complaints
Latest owner reports
points: ⸻ While driving, the vehicle displays the warning “Active Brake Assist Functions Limited – See Operator’s Manual.” The message appears durin...
I am reporting a catastrophic repeat engine failure on my 2020 Mercedes-Benz C300. On October 9, 2025, with 26,589 miles, the vehicle suffered a Cylin...
I purchased this vehicle on December 26, 2025 from an authorized Mercedes-Benz dealership. Shortly after the purchase, I discovered an issue related t...
I own a 2020 Mercedes-Benz C300, and the check engine light recently came on. The vehicle has only around 27,000 miles and has been regularly maintai...
Sunroof is not closing
I purchased this 2020 Mercedes-Benz C300 only two months ago and have driven it less than 3,000 miles. The Carfax report shows consistent maintenance...
BOTH the front tires in my 2020 Mercedes C300 developed sudden belt separation while driving at highway speed this past weekend. These tires were ins...
On Tuesday, June 24th, 2025, the glass panel located between the windshield and sunroof on my 2020 Mercedes-Benz C43 AMG unexpectedly detached and fle...
Over the past month, my 2020 Mercedes-Benz C300 has been experiencing unexpected and increasingly concerning issues with the steering. These problems...
Uneven wear pattern.The wear often occurs on inner shoulder of the tires 5k to9k miles,which can be dangerous tire can wear down to belts on inside ed...
Vehicle Safety Research Team
Automotive Data Analysts
Independent researchers analyzing NHTSA data to help consumers make informed vehicle decisions.
Summary
The 2020 Mercedes-Benz C-Class has 41 complaints and 0 recalls on record. The most commonly reported issue is BACK OVER PREVENTION. 5 crash-related incidents have been reported.