Start and stall
5

Asked by Kals Apr 27, 2015 at 06:51 PM about the 1989 Mercedes-Benz 420-Class 420SEL Sedan

Question type: Maintenance & Repair

My 89 Benz 420 Sel starts and stalls  right away. I replace fuel pumps and fuel pump
relay. The problem still the same.
Any suggestions please.

2 Answers
70,055

Kelly answered 8 years ago

i had the same problem..i got lucky and sprayed wd40 in and on the switch.worked it on,off several time being a little rough..it started and no more issues..

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