Question about 1991 Mercedes-Benz 300 Diesel

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My mercedes 300D will only go into reverse, could it just

My mercedes 300D will only go into reverse, could it just need a new mod valve? O r is it something bigger?

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  • fount May 11, 2010

    Have you checked that the transmission fluid is full? Start the car, maneuver it so that it's on level ground, let it run 5 minutes, and check the fluid level. There's a (small) chance that's all it is.

  • Vincent G
    Vincent G May 11, 2010

    Please post the odometer reading or the miles on the transmission. You can get over 300,000 miles with NO PROBLEM.....unless you are carrying huge load. I will follow up after you post more info.

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  • Mercedes-Benz Master
  • 1,619 Answers

Try the stage piston on the side check benzworld.com for some DIY articles.

Posted on Jul 09, 2009

  • Jason Johnson Aug 25, 2009

    B2 stage piston and pin most likely if its not completely destroyed. Go to buymbparts.com for replacement parts.

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d07cc7b.jpg
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