w202 timing chain - do I really have to change it? - PeachParts Mercedes-Benz Forum

Hatterasguy · #1 02-04-2007, 12:50 PM

Run 200k-250k miles on it then yank the valve cover and inspect the guides and check for stretch. MB's inline engines can go almost forever without touching the chain. I have only heard of a small handfull breaking but those seem to be mostly fluke's.

blackmercedes · #2 02-04-2007, 05:13 PM

Quote:

Originally Posted by Hatterasguy

Run 200k-250k miles on it then yank the valve cover and inspect the guides and check for stretch. MB's inline engines can go almost forever without touching the chain. I have only heard of a small handfull breaking but those seem to be mostly fluke's.

Does not apply to the single row chain on the M103 engine. Despite their short path and no direction changes, the single row chain wears faster than the double-row chains of the later DOHC engines.

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