
2015 Mercedes-Benz C400
Problems, Recalls & Reliability Report
Quick Summary
The 2015 Mercedes-Benz C400 has 13 owner complaints filed with NHTSA — that's 0.2x the segment average of 80. The most common issue is body/structure problems (46% of all complaints), specifically: panoramic glaaa sunroof mounting bracket made of cheap thin plastic that it breaks easily allowing the panoramic glass roof to fly off the car if driven while open..
13
Total Complaints
0
Recalls Issued
—/5
Safety Stars
0.2x
vs Segment Avg
Known Problems
BODY/STRUCTURE
6 complaints- • Panoramic glaaa sunroof mounting bracket made of cheap thin plastic that it breaks easily allowing the panoramic glass roof to fly off the car if driven while open.
- • My car failed PA State inspection due to a hole and rusted rear subframe. I have determined that there is a recall associated with this issue but that my vehicle just missed the recall limit. The recall affected 2008-2015 models (C Class with chassis 204). My vehicle is a 2015 C Class with chassis
- • My boyfriend and I were driving my 2015 MB C400 down the road in November 2020 and it was a beautiful day out so we decided we would open the sunroof to get some fresh air. I was driving so my boyfriend pressed the button for the sunroof to open. As the sunroof was opening, there was a cracking and
“Panoramic glaaa sunroof mounting bracket made of cheap thin plastic that it breaks easily allowing the panoramic glass roof to fly off the car if driven while open.”
— NHTSA complaint filing
VISIBILITY
1 complaints- • THE PANORAMIC SUNROOF IN MY CAR EXPLODED AT APPROXIMATELY 6.45AM ON MONDAY, JUNE 29TH 2015. THE CAR WAS PURCHASED NEW FROM MERCEDES BENZ IN PARAMUS ON SATURDAY, JUNE 27TH, 2015. THE CAR HAD 146 MILES ON THE ODOMETER. I WAS IN NJ AND I WAS TRAVELING WEST ON I-78 (EXPRESS LANES) AT APPROXIMATELY 65
“THE PANORAMIC SUNROOF IN MY CAR EXPLODED AT APPROXIMATELY 6.45AM ON MONDAY, JUNE 29TH 2015. THE CAR WAS PURCHASED NEW FROM MERCEDES BENZ IN PARAMUS ON SATURDAY, JUNE 27TH, 2015. THE CAR HAD 146 MILES ON THE ODOMETER. I WAS IN NJ AND I WAS TRAVELING WEST ON I-78 (EXPRESS LANES) AT APPROXIMATELY 65”
— NHTSA complaint filing
ELECTRONIC SYSTEMS
1 complaints- • WHILE DRIVING THE VEHICLE ON THE HIGHWAY AT 70 MPH, THE CRUISE CONTROL SHUT OFF AND THE CAR BEGAN TO SLOW DOWN. I WAS ABLE TO MAINTAIN CONTROL AND NOTICED 3 ERROR MESSAGES INCLUDING: ESC INOPERABLE, CRUISE CONTROL INOPERABLE, AND COLLISION PREVENTION PLUS INOPERABLE. I WAS ABLE TO CONTINUE DRIVING
“WHILE DRIVING THE VEHICLE ON THE HIGHWAY AT 70 MPH, THE CRUISE CONTROL SHUT OFF AND THE CAR BEGAN TO SLOW DOWN. I WAS ABLE TO MAINTAIN CONTROL AND NOTICED 3 ERROR MESSAGES INCLUDING: ESC INOPERABLE, CRUISE CONTROL INOPERABLE, AND COLLISION PREVENTION PLUS INOPERABLE. I WAS ABLE TO CONTINUE DRIVING”
— NHTSA complaint filing
ELECTRICAL
1 complaints- • WHILE DRIVING THE VEHICLE ON THE HIGHWAY AT 70 MPH, THE CRUISE CONTROL SHUT OFF AND THE CAR BEGAN TO SLOW DOWN. I WAS ABLE TO MAINTAIN CONTROL AND NOTICED 3 ERROR MESSAGES INCLUDING: ESC INOPERABLE, CRUISE CONTROL INOPERABLE, AND COLLISION PREVENTION PLUS INOPERABLE. I WAS ABLE TO CONTINUE DRIVING
“WHILE DRIVING THE VEHICLE ON THE HIGHWAY AT 70 MPH, THE CRUISE CONTROL SHUT OFF AND THE CAR BEGAN TO SLOW DOWN. I WAS ABLE TO MAINTAIN CONTROL AND NOTICED 3 ERROR MESSAGES INCLUDING: ESC INOPERABLE, CRUISE CONTROL INOPERABLE, AND COLLISION PREVENTION PLUS INOPERABLE. I WAS ABLE TO CONTINUE DRIVING”
— NHTSA complaint filing
SPEED CONTROL
1 complaints- • WHILE DRIVING THE VEHICLE ON THE HIGHWAY AT 70 MPH, THE CRUISE CONTROL SHUT OFF AND THE CAR BEGAN TO SLOW DOWN. I WAS ABLE TO MAINTAIN CONTROL AND NOTICED 3 ERROR MESSAGES INCLUDING: ESC INOPERABLE, CRUISE CONTROL INOPERABLE, AND COLLISION PREVENTION PLUS INOPERABLE. I WAS ABLE TO CONTINUE DRIVING
“WHILE DRIVING THE VEHICLE ON THE HIGHWAY AT 70 MPH, THE CRUISE CONTROL SHUT OFF AND THE CAR BEGAN TO SLOW DOWN. I WAS ABLE TO MAINTAIN CONTROL AND NOTICED 3 ERROR MESSAGES INCLUDING: ESC INOPERABLE, CRUISE CONTROL INOPERABLE, AND COLLISION PREVENTION PLUS INOPERABLE. I WAS ABLE TO CONTINUE DRIVING”
— NHTSA complaint filing
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 13 owner complaints for this specific year, here's what to check or ask about:
- ☐BODY/STRUCTURE: Panoramic glaaa sunroof mounting bracket made of cheap thin plastic that it breaks easily allowing the panoramic glass roof to fly off the car if driven while open.
Typically appears around 50K miles. Repair cost ~$500
- ☐VISIBILITY: THE PANORAMIC SUNROOF IN MY CAR EXPLODED AT APPROXIMATELY 6.45AM ON MONDAY, JUNE 29TH 2015. THE CAR WAS PURCHASED NEW FROM MERCEDES BENZ IN PARAMUS ON SATURDAY, JUNE 27TH, 2015. THE CAR HAD 146 MILES ON THE ODOMETER. I WAS IN NJ AND I WAS TRAVELING WEST ON I-78 (EXPRESS LANES) AT APPROXIMATELY 65
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRONIC SYSTEMS: WHILE DRIVING THE VEHICLE ON THE HIGHWAY AT 70 MPH, THE CRUISE CONTROL SHUT OFF AND THE CAR BEGAN TO SLOW DOWN. I WAS ABLE TO MAINTAIN CONTROL AND NOTICED 3 ERROR MESSAGES INCLUDING: ESC INOPERABLE, CRUISE CONTROL INOPERABLE, AND COLLISION PREVENTION PLUS INOPERABLE. I WAS ABLE TO CONTINUE DRIVING
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRICAL: WHILE DRIVING THE VEHICLE ON THE HIGHWAY AT 70 MPH, THE CRUISE CONTROL SHUT OFF AND THE CAR BEGAN TO SLOW DOWN. I WAS ABLE TO MAINTAIN CONTROL AND NOTICED 3 ERROR MESSAGES INCLUDING: ESC INOPERABLE, CRUISE CONTROL INOPERABLE, AND COLLISION PREVENTION PLUS INOPERABLE. I WAS ABLE TO CONTINUE DRIVING
Typically appears around 50K miles. Repair cost ~$500
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Mercedes-Benz C400 — Year Comparison
How does 2015 compare to other years? Fewer complaints = more reliable.
Full years-to-avoid analysis →NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 13
- Recalls
- 0
- Fire reports
- 0
- Crash reports
- 0
- Injury reports
- 0
- Segment avg
- 80
Check a Specific VIN
See recalls for YOUR 2015 Mercedes-Benz C400