1985 MERCEDES BENZ 300SD SHIFTING PROBLEM

  • Tiny
  • Glosson
  • 1985 Mercedes Benz 300sd

Transmission problem
1985 Mercedes Benz 300sd 6 cyl Two Wheel Drive Automatic

Why does the car shift into drive and the rpms go real high and does not shift through the other gears?

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Thursday, February 5th, 2009 AT 8:35 PM

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  • Tiny
  • Jack42
  • Member

I have forwarded your link to our resident M/B expert. he should be with you shortly

Thanks for using 2CarPros.com

http://www.2carpros.com/forum/1985-mercedes-benz-300sd-shifting-problem-vt254465.html

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Thursday, February 5th, 2009 AT 9:48 PM
  • Tiny
  • gfimotorcars
  • Expert
  • 681 posts

I would be suspect of a couple things regaurding this complaint. First, the transmission valve body may be contaminated or failing due to use over time or irregular fluid and filter maintenance. A severly clogged trans filter could cause irregular shift conditions. Secondly you may have a frozen clutch pack in the trans which is preventing engagement of other gears. From your info I would probably lean towards a clutch pack. I would definatley recommend taking this to a reputable shop as trans work can get expensive if not diagnosed correctly the first time.

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Thursday, February 5th, 2009 AT 10:03 PM

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