Mercedes-Benz 420SEL Problem Report
Mercedes-Benz 420SEL "No start" Caused by Failed Fuel Pump/Relay
The fuel pump and/or fuel pump relay can fail, causing the car to crank over but not start. Proper diagnoses will be necessary to confirm if the pump or relay is at fault.
Can't get new relay to snap into the mating 10 pin assembly. Can't get the two notches on the r...
something warm up & it wont start
Hello all, Here's the issues. 1. Rough idle, only on warm up cycle, idle is ok when up t...
car stalled while on the road. plenty of fuel(half tank) turns over fine. no prior problems. Any suggestions or ideas
I already check the fuel pump, the relay and swith. Do you think the catalytic affect this s...