The W123 chassis covers 240D's, 300D's, 300TD's, 280E's, and several other models of Mercedes coupes, sedans and wagons from model years 1977 to 1985.

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Is there a step by step on belt replacement?

Hi, kind of new to working on my w123 myself.

After years of driving Truck I'm no stranger to belt replacement. That being said I look at the tensioner on my w123 and don't quite understand it.

Is there a step-by-step on this task specific for the w123?


Stuart Wayne Smith

Answered! View the answer I have this problem too

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Most of it is motor stuff, but here is all of ifixit's guides for that car: Mercedes W123 Repair


I looked at those before I asked, they were dead links. Sorry for inconvenience.


@stuartsmith , Stuart, What is the year and model of your w123,eng,trans.etc. links below were from I believe the link @pccheese posted.


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Go to How to change the motor belts and scroll down to the first answer, highlighted in green.

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Stuart Wayne Smith will be eternally grateful.
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