First time owner having problems.
09-04-2011, 12:56 PM
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1990 560sel
First time owner having problems.
Hello i have a 1990 560 Sel. I bought it about a month ago and drove it around for 3-4 days. It was running perfect. But i went inside to get ready and when i came back out side it didnt want to start. It will turn over and run for about 4-5 seconds then it shuts off. I replaced the fuel pump relay cuz it was the cheapest part to fix first but that wasn't it. The guy i bought from said he changed the fuel filter. I grow up around mechanics all my life so i dont want to take it to a shop cuz i know i will be able to perform the repair. I just need to get put on the right track on what it might be. Any help will be much appreciated.
09-23-2011, 08:39 PM
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2011 C250 4-matic
This model has 2 pumps located near the right rear wheel. Tap on them and see if it starts. If you have somebody to crank it over, check if it/they are running.
10-17-2016, 11:22 AM
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1988 420SEL
Hello. I have a 1988 420 SEL with about 157,000 miles on it. My car starts just fine the first time but, if I shut it off and try to restart it, it either doesn't start or takes forever. I've replaced the fuel filter, fuel accumulator, fuel filter check valve, fuel pump relay, distributor cap, rotor, and coil. I also tested the cold start injector to be sure it wasn't leaking by. Initially, I was thinking the camshaft position sensor was going but , I checked the ohms on the ECU module plug and got about 880 when cold, and 1100 when hot. Any ideas where I should go next?
