2011 Mercedes Benz ML engine noise

Car: Mercedes Benz ML
Year: 2011
Variant: 350 Sport CDI Blueefficiency
Categories: Engine & Drivetrain
Noise on cold start up, sounds like tappets, lasts a few seconds then clears. No further issue until again starting from cold usually after standing overnight!
Mileage 77500
Posted: Aug 10, 2019 (4 years ago)
Could be hydraulic tappets till oil reaches top end of engine . Could try changing engine oil with correct grade of a good name and OEM engine filter and see if it helps .
Posted Aug 10, 2019 (4 years ago)

This problem is archived

If you're having a similar problem please click below to re-post this problem, you can then customise it to suit your situation.

Join the community
Got a question? Can you answer other questions here? If so please...