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W140 S320 won't start in cold weather

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W140 S320 won't start in cold weather

 
Old 02-04-2019, 11:34 PM
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96 S320
Angry W140 S320 won't start in cold weather

i have a 1996 s320 W140 great summer car, but will not start in winter whenever the temperature drops to 30 degrees,,,,,it will star and chokes a few seconds later, after making a horrible sound. I need help please.
ok I am sorry i fell to mention, i can hear the pump running when the car starts,,,,,it runs 1 to 1 1/2 minutes .

Last edited by Mike Desir; 02-07-2019 at 10:46 PM.
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Old 02-07-2019, 02:28 AM
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I had this issue FOR A COUPLE OF YEARS, the dealer couldn't figure it out, the local Mercedes indy shop couldn't figure it out either … in my case, it turned out that it was the fuel pump relay (the little $20 or $30 part) in the trunk fuse area.

Once it was replaced the problem was fixed. I hope it's this easy for you.
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