Hi Benz techs,

This diesel has a loud engine noise at startup, sounding like timing chain noise?? After a few seconds it quiets down. I was told by another shop that the chain guide tensioner could be dirty/ worn, causing the guides to tension only after the...

Summary posted 6/15/2015

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle