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  #1  
Old 07-27-2008, 09:53 AM
Capt Jack
 
Join Date: Jul 2008
Location: Norfolk, VA
Posts: 2
wipers dont work

I just bought a 74 450SLC and the wipers don't work. Any ideas on where to start? switch? motor?

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  #2  
Old 07-27-2008, 09:58 AM
79Mercy's Avatar
Registered User
 
Join Date: Mar 2008
Location: Florida
Posts: 4,131
fuse?
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1985 300TD Turbo Euro-wagon
1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1979 300TD 220,000

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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  #3  
Old 07-27-2008, 10:07 AM
Capt Jack
 
Join Date: Jul 2008
Location: Norfolk, VA
Posts: 2
fuse is okay, everything else on the circuit works
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  #4  
Old 07-27-2008, 10:13 AM
79Mercy's Avatar
Registered User
 
Join Date: Mar 2008
Location: Florida
Posts: 4,131
fuse looks okay or it is okay? You need to replace it or wiggle it.

Switch okay
__________________
1985 300TD Turbo Euro-wagon
1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1979 300TD 220,000

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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  #5  
Old 07-28-2008, 01:31 AM
hey_allen's Avatar
greasy fingered tinkerer
 
Join Date: May 2006
Location: Tacoma, WA
Posts: 728
When you turn your wipers on inside, can you hear the motor running, with no movement?

If so, you need to look under the cowl just in front of the windshield.
There is a ball and socket coupling between the wiper motor and the wiper "transmission" linkages that likes to rust and eventually the socket falls off of the ball.

If you find that to be the problem, you can semi-permanently fix it by drilling a hole in the top of the ball (through the socket) and installing a screw with a washer under it.
A thick coating of a water displacing grease in the socket helps to prevent further wear.

The proper fix would be to replace the whole wiper transmission, but it was ~$400 if I remember correctly.

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Testing the cheap Mercedes axiom, one bolt at a time...
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