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1995 Mercedes Benz S500

Tiny
SPENDTHRIF
  • MEMBER
  • 1995 MERCEDES BENZ S500
  • V8
  • 2WD
  • AUTOMATIC
  • 77,000 MILES
My blower for the AC or heater is intermitent. When it does work the blower speed starts off perfect and after 5 minutes it slows down and eventually stops till I shut the car off and wait about an hour and then restart it.
Thursday, September 10th, 2009 AT 9:14 AM

2 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Posted By: carguy#1 Flag Post For Monitor Review
Shop: MY CAR GUY
Date: 7/12/2009 6:34:24 PM

Hey Doc J.,

Had a similar problem/vehicle about two months ago. By passed everything and found motor would work if direct wired. Tested wiring from switch and found it to be working. at that point had to assume that controller (mounted on motor assy) was bad. Found out they were common to fail and had been redesigned. Had to replace motor and controller ($700.00+) Hope some of this helps.

CarGuy#1 eTN

This is from Mitchell on demand help tips, you might be able to get one checper by cardone, aftermarket CHINA parts maker.


https://www.2carpros.com/forum/automotive_pictures/62217_MB_S500_1.jpg

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Thursday, September 10th, 2009 AT 2:14 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
Remove wind screen to gain acess to blower motor.


https://www.2carpros.com/forum/automotive_pictures/198357_Graphic_114.jpg


Check out blower regulator A32n1. Power in motor and ground through reg. When motor stops check for power and ground.
Let me know
Thanks for donate
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Thursday, September 10th, 2009 AT 2:14 PM

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