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HI THERE,[ SORRY THIS IS A BIT LONG]
I AM HOPING SOMEONE CAN POINT ME IN THE RIGHT DIRECTION,, I HAVE HAD A 430 CLK CABRIO FOR THE LAST 5 MONTHS, FOR TGHE LAST 2 MONTHS IT HAS DEVELOPED AN INTERMITTANT FAULT, SOMETIMES WHEN YOU COME BACK TO IT AND PUSH THE REMOTE, NOTHING UNLOCKS [I HAVE CHECKED BATTERIES & TRIED BOTH REMOTES] AND YOU HAVE TO USE EMERGENCY KEY TO UNLOCK. THIS OBVIOUSLY SETS OFF THE SIREN BUT IT DOES NOT TURN OFF ONCE YOU PUT THE KEY IN THE IGNITION AS IT IS SUPPOSED TO.THE ENGINE STARTS FINE BUT THE ELECTRIC SEATS/WINDOWS, DRIVERS MIRROR,AND OCCASIONALLY THE INDICATORS AND HORN DO NOT WORK [ONCE WIPERS TOO].I HAVE A COUPLE OF TIMES HAD TO DRIVE TO WORK LIKE THIS, THEN WHEN I GET THERE IT WILL ALL RESET AND BE FINE FOR A FEW DAYS AND THEN DO IT AGAIN. IT HAS BEEN INTO TWO DIFFERENT MERCEDES-BENZ GARAGES NOW FOR DIAGNOSTICS, THE FIRST SAID THE "FRONT SAM" WAS NOT COMMUNICATING AND REPLACED THAT, ]IT DID IT AGAIN THE NEXT DAY & THEY HAVE NOT BEEN ABLE TO FIND A SOLUTION. THE NEXT MERC GARAGE THOUGHT IT MAY BE THE IGNITION BUT NOTHING ON THEIR DIAGNOSIS REPORT SUPPORTED THAT, SOME "CAN COMMUNICATION " FAULTS BUT NOTHING OBVIOUSLY THE CAUSE.THE ONLY VAGUE THING I FOUND WAS THAT SOMETIMES IT WOULD RESET IF I OPENED AND CLOSED THE BONNET/HOOD SO MY MECHANIC CLEANED UP THE SWITCH BUT IT STILL DOES IT.I THINK ALSO IT SEEMS TO DO IT WHEN THE TEMPERATURE OUTSIDE DROPS, BUT THAT MAY JUST BE COINCIDENTAL AS I LIVE IN LONDON,UK & THE TEMP ALWAYS SEEMS TO DROP, HA HA.
ANYONE ELSE HAD THIS FAULT OR KNOW OF A POSSIBLE SOLUTION? I DON'T REALLY WANT TO GIVE IT BACK TO MERCEDES FOR OBVIOUS COST AND TIME WASTING ISSUES.
THANKS IN ADVANCE IF YOU CAN ASSIST ME......
 

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did they put in a new eis electronic ignition switch? it sounds like thats what it would be to me. has all the right symptoms. im suprised that they could not figure it out at the dealer.
 
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