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10.0

really awful
Crashes / Fires:
0 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
12,980 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2015 Mercedes-Benz C300 engine problems

engine problem

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2015 Mercedes-Benz C300 Owner Comments (Page 7 of 7)

« Read the previous 20 complaints

problem #2

Dec 222015

C300

  • 2,438 miles

A D V E R T I S E M E N T S

Loud engine knocking when engine is cold. Diagnosed as incorrect/unfavorable tolerances of piston wrist pins that will ultimately lead to engine failure. Diagnosis happened with odometer at 2,438 miles.

- Riverside, CA, USA

problem #1

Apr 012015

C300 4-cyl

  • 1,750 miles
1. warning light "inoperative collision prevention assist plus" comes up on the display on & off when driving. Car was sent to service on 4/22 but didn't duplicate the issue. Car was returned to me on 4/23. 2. on 4/24, warning light "inoperative collision prevention assist plus" comes up again plus the yellow "engine light".

- Milpitas, CA, USA

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