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Mercedes 350 SDL belt tensioner shock
Posted to Technical Tips Forum on 6/8/2005

I service several of these older cars and have finally solved the problem of the belt tensioner shock wearing out every 8,000 miles.

This car comes with a 6pk2120 belt. I bought a 6pk2100 belt from Worlppac (20mm shorter) and installed it. This belt just fit... Login to read more.