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My Recycled LLC
47 Bassett Lane Palm Coast Fl 32137
(702) 205-3293


Question from our customer: (Mercedes 420 SEL 1986-1991)  “I went to adjust the seat forward, instead the back started moving back and then stopped. Now the power seat  functions are inoperable and the seat is stuck in this position (front, driver side). Passenger side works fine. Does this mean the switch needs to be replaced or are there other components to check as well?”

It is most likely your switch ( that needs to be replaced. However, they are other items that could go wrong. If replacing the switch does not do the trick, you will have to replace the seat module (, it is located under the front of the seat. It is a black box where all the seat motors and power cable are plug into. Then if this does not work, check the seat motors(

Hope that helps,

PS: This is the same procedure for all the W126 chassis from 1986-1991 (300se, 300sel, 300sd, 300sdl, 560sel,560se, 350sdl, 260se, 500se, 500sel).
Terry HAZE's profile photo
need other parts for 1989 300e do you have any smile
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Hello everyone,
 We just opened this blog and on it we will enter information that can help you with your Mercedes repairs. Please post your questions and we will try to answer them.
Here is our first tip, and we believe it is a big one.
 #1 Blue prints and electric diagrams for all Mercedes models and parts:
I am sure that you already know how hard it is to get any type of repair books for all Mercedes models, and when you do find one…. it is really expensive. Mechanics and Mercedes dealers do not want people to have them. 
We have finally found a website with access to all Mercedes models blue prints and part numbers.
 Here is the link:  
We are giving you this information for FREE, however you still have to register with them.
We hope that it will help you in your repairs and that you will come back to our website: to buy the parts that you need.
Also, if you have any questions or want to share your repair experiences, please post on our blog. 
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My Recycled LLC is an online store that sells Mercedes parts. We offer Free Shipping and very competitive prices.
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(702) 205-3293
47 Bassett Lane Palm Coast Fl 32137
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