1990 500sl roll bar - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 03-30-2010, 12:35 AM Thread Starter
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1990 500sl roll bar

1990 500sl roll bar does not move with switch only slightly.Soft top roof works,tried resetting windows cant read ecu codes on all systems.I have also tried a new battery.I can get the roll bar to come up by simulating a roll over,I have read all the posts on previous problems as mine and tried all the solutions.My main concern is not being able to read the fault codes in any ecu i cant get into any of them,it seems like there is a power supply problem but i have no diagrams.Can someone please help.
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post #2 of 3 (permalink) Old 03-30-2010, 05:56 AM
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Vehicle: 2004 W220 (S430) ; 2001 R129 (SL500) Sport
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Have you checked in the R129 forum? Your car is an R129 chassis. There is a forum further down this site just for that chassis. Everyone in there either owns an R129 or wants to own one.

I seem to recall several roll bar operation threads in the last few months, but I might be wrong about that. If you do a thread search of that forum, you should have some luck finding what you are seeking.

Good luck.

"Don't pick a fight with an old man. If he is too old to fight, he'll just kill you."--John Steinbeck
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post #3 of 3 (permalink) Old 03-31-2010, 12:51 AM Thread Starter
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yes i have i have done and checked everything but i cant read any ecu with diagnostic tools or flash codes
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