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BrakesPart report

2015 Mercedes-Benz C300 Brakes Problems

Complaints
9about this part
Share
2%of 381 total for the year
Median mileage
19,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the brakes of the 2015 Mercedes-Benz C300, 2% of the 381 complaints for this model year. Where a mileage was given, the median is 19,000 miles. 2 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I was driving at approx. 20-25 MPH during day light and all of a sudden there was light blinked on my dashboard for applying the brakes because of another vehicle ahead of me. I applied the brakes as well as brake assist plus system got activated as well. But still my vehicle end up hitting the vehicle ahead of me. The brake assist plus system which is claimed by mercedez to take brake automatically to bring the system to halt in case of emergency did not work and it end up hitting another vehicle in front of my vehicle”

NHTSA complaint #11074407, filed 2018-02, 32,000 miles

“I had two issues within 2 months of buying the car earlier in this. I purchased the car in early feb 2015. I heard a loud sound in the heating unit, then a small clicking sound ensued for over a week. Brought it in, the motor had blown, so they replaced it without a dime out of my pocket. Then in march, I was driving about 35 miles per hour when a very loud noise like bad breaks started and wouldn't stop no matter what I did. We towed it using mercedes, but had to pay for an uber to the dealership. …”

NHTSA complaint #10763696, filed 2015-09, 1,500 miles

“Collusion prevention system inoperative. Causes car to slow slow down and or stop while on the road. Poses a severe life threatening driving condition for me and other drivers. Many other mercedes benz owners across the USA, canada, and japan are complaining of the same error message and issues. My mbusa advisor stated her vehicle is doing the same thing. My service advisor at the dealership stated its mice that are eating the wires. I am taking my vehicle to two other mechanics for opinions on the cause of the error message. …”

NHTSA complaint #10887534, filed 2016-07, 18,000 miles

“Car was parked in Garage with garage door open. Wife and I wanted to go biking and the bikes needed air in the tires. Pre-positioned one bike directly behind parked car and one parallel with the pneumatic air pump prepositioned to inflate the tires. Went to driver's side door and started car with foot on the brake and pushed the button. I then plugged in the adapter for the air pump into the cigarette lighter. The whole time the driver's side door was open and the car was not moving. …”

NHTSA complaint #11455877, filed 2022-03

“The contact owns a 2015 Mercedes C300. The contact stated that the driver's side rear brakes and rotors were rusted. The contact stated that when the brakes were applied, they were slow to respond. The TPMS warning light was illuminated. The vehicle was taken to a braking center, which declined the warranty for the aftermarket parts. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified. The approximate failure mileage was 176,000.”

NHTSA complaint #11740646, filed 2026-05, 176,000 miles

Related service bulletins

Brakes: other model years

YearComplaintsShare of year
2024327%
2023523%
202228%
202013%
201969%
201822%
201721%
201693%
201592%
201422%
2013166%
2012156%
2011133%
201072%
2009214%
2008173%

Other parts of the 2015 Mercedes-Benz C300

Engine
127 complaints
Fuel system
70 complaints
Other or unknown
63 complaints
Body and structure
60 complaints
Electrical system
50 complaints
Steering
23 complaints
Suspension
22 complaints
Transmission and drivetrain
20 complaints
Visibility (wipers, defrost, mirrors)
16 complaints
Air bags
12 complaints
Forward collision avoidance
8 complaints
Wheels
8 complaints

← All problems reported for the 2015 Mercedes-Benz C300

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology