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#1
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Still intermittent "SRS light
On my 1990 300E my SRS light comes on and goes off while I'm driving on the highway.Some one told me it was the over voltage protection relay,I changed that,but still get the intermittent SRS light....Can any Help?
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#2
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it sounds like the clock spring in the steering wheel they wear and short out, not cheap to replace
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#3
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Possibility the brushes in the bottom of your alternator are worn down. When this happens, the SRS light can come on.
Lots of info on this in the archives - use the SEARCH button.
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Mike Murrell 1991 300-SEL - Model 126 M103 - SOHC "Fräulein" |
#4
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Seat
I have seen my SRS light come-on when I'm getting in and out of my seat. I'm not sure, but there may be a switch in the seat too.
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1989 420 SEL |
#5
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Several times, when an " SRS " light comes on, I have heard of the seatbelt buckles being involved.
In some cases a thorough cleaning ( compressed air ), seems to have been the fix.
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2007 C 230 Sport. |
#6
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Check the voltage regulator first (cheap and easy). But I think you would have other electrical gremlins as well if this was the problem.
Check the seat belts (crud in the receptacle). Not likely but easy and cheap to check. Most likely though are the SRS brushes that contact the horn hub in the steering column. Should be lots under a search. Brushes are cheap but the horn hub is about $80. You may notice that the intermittent SRS light is coincident with turning the steering wheel. glenmore 1991 300CE 1990 LS400 |
#7
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The SRS is not on the OVP circuit, it is on its own circuit. OVP will have no effect on the SRS. Intermittent SRS MIL, while turning the wheel can likely be stuck contact brushes or worn slip rings.
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Mike Tangas '73 280SEL 4.5 (9/72)- RIP Only 8,173 units built from 5/71 thru 11/72 '02 CLK320 Cabriolet - wifey's mid-life crisis 2012 VW Jetta Sportwagon TDI...at least its a diesel Non illegitemae carborundum. |
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