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Serpentine belt adjustment rod broken????

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Old Dec 17, 2002 | 12:32 PM
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jay3000's Avatar
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From: Greensboro NC
89 300SEL
Serpentine belt adjustment rod broken????

I'm new to the MB world, and brand new to this foum.. I bought a 89 300SEL, that for the most part seems pretty solid..I went to install a new belt, and noticed that the adjustment rod for the tensioner is broken..

What will it take to repair this???

THanks,
Jay
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Old Dec 29, 2002 | 02:30 PM
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From: Chicago
1983 300SD, 1996 C220, 1986 560SEL (my baby)
Serpentine belts

as far as I know, there is no serpentine belt on that car. Mercedes uses 2-3 belts all run off a central flywheel (attached to the crankshaft) instead of a serpentine. As to the tensioner, your best bet is to take it to a mechanic (so that you're sure it's done right). It should cost in the range of $100 (and that's being generous, it might cost less than that).
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Old Dec 29, 2002 | 10:04 PM
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Nektopoli's Avatar
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W203 & W204 3.0L 4matics & MR2 Supercharger
My 190E had a single serpenting belt and the tensioner bolt broke, whats left needed to be drilled and tapped and the removed.

NP
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Old Dec 30, 2002 | 04:12 PM
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1983 300SD, 1996 C220, 1986 560SEL (my baby)
that does tend to happen with older parts with stress on them constantly (which the tensioner does). I have to say, a MB with a serpentine is news to me (granted most of my experience is with the old diesels and a C220), but it's possible.
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