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Engine Knock

2016 Mercedes-Benz C300

This problem may be covered under warranty. Ask your Mercedes-Benz dealer.

10.0

really awful
Typical Repair Cost:
No data
Average Mileage:
39,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. mercedes replaced 3 injectors (1 reports)
2016 Mercedes-Benz C300 engine problems

engine problem

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2016 Mercedes-Benz C300 Owner Comments

problem #1

Sep 202018

C300 Sedan 2.0L

  • Automatic transmission
  • 39,000 miles

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

The car was knocking from the engine block very loud while driving the car. I took the car to Mercedes they replaced the 3 injectors. 2 weeks after they replaced the injectors the car started to knocking again very loud. I again took the car to Mercedes they told me this time that noise was normal and nothing wrong with my car. A couple weeks later the motor failed and they will not replace the engine block under warranty. $20,000 to fix my car. It's not fixed yet.

- djr, Covina, US

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