I had a Mercedes gle350d 4matic coupe CV67 Service carried out by Ford garage due to covid. Told them to use ony geniune parts. Day after service oil leak which they tried to repair with glue. Car returned to garage, they replied again. Approx 3000miles later terrible knocking noise. Returned to local mercedes garage. Had independent engineer to strip engine where is conclusion was.Slipped bearing shell on no 2 piston. Mechanic indicated there where 2 other engines on garage floor with same problems and it was not due to oil. Also non approved oil filter again not fitted correctly.Why have there been no recall on these engines. My car had only done 27,000 mils.I have been treated disgracefully buy Mercedes and will publish. I was told by castrol oil used can cause catastrophic engine problems and letter from mercedes the same outcome.
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