10.0

really awful
Typical Repair Cost:
No data
Average Mileage:
88,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. new engine (1 reports)
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problem #1

Oct 132022

GLC300 M274

  • Automatic transmission
  • 88,000 miles

It seems like this piston defect is widespread with this M274 engine. I have read some customers have received help from Mercedes and some have not. I am interested in polling this forum to see if someone can assist me in seeking financial help from Mercedes. I have reported to the office of defects - national highway traffic safety administration. What else can I do?

- Lesley G., Birmingham, AL, US

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