Thread: Won't Start (FIXED)
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Old Jun 18, 2015 | 12:12 AM
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onehundred80
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From: Ontario
Default Re: Won't Start (FIXED)
Originally Posted by syfi
Couple of days ago I go out to start my SRT. 40k plus miles and never a single glitch with her till now. She starts but flashes a few warnings on the dash along with being stuck in park. Without paying any attention to the dash warnings I turn off the car hoping she'll reset and go to restart her and nothing. I get all lights, radio, wipers, door locks. Everything electrical is working but not even a click from the starter. NOTHING! I can do the manual release for the shifter and push the car but still no start in neutral. Always stuck in park. I ask the wifey to check my brake lights and nothing. So I figure it's the infamous brake light switch. I happen to live down the road from Ecklers which stocks Mercedes parts and found the switch for $12.99, a bargain! Put her in and still nothing. Battery is fairly new, pull terminals and thoroughly clean them, along with checking all grounds, which were pristine. No change in attitude. So I dig out the RCM which has been soldered once before. Decide to re-solder, reinstall and STILL NOTHING. Pull the board out once more, grab my handy magnifier glass and inspect the relays.
EUREKA! The relay closest to the edge of the board shows that the small flat round contact bead that's welded to the copper plate has disintegrated. All other relays are in perfect condition. There was actually nothing left that could be sanded down for better contact, so relay needs replacing. Since I have 2 XFs I decide to order (new) one of the AIRTEX / WELLS Part # 1R2032 RCMs from RockAuto. 2 day shipping and got her in today and "BodaBing" she's starting up and running normally again, like nothing ever happened! I'll be sending my infected board the D.J. to get repaired as a backup!
That is the air pump relay and that would not stop the car from starting, you have another problem.
 
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