Thread: ? for M.B. Doc.
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Old 12-30-2001, 03:12 PM
420SEL 420SEL is offline
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Join Date: Jul 2000
Location: Toronto, CANADA
Posts: 1,193
Have it checked out. Your mechanic can measure the stretch in the chain by cam retardation. In many cases it is the upper chain rails that break and fall into the works causing the chain to jump or come off the track, which causes major engine damage.
Jason Priest
1999 E430
1995 E420 - retired
1986 420SEL - retired
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