Mercedes-Benz 420SEL
Report: "No start" Caused by Failed Fuel Pump/Relay
Mercedes-Benz 420SEL Problem
Model Years Affected: 1990, 1991
Verified
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.
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car stalled while on the road. plenty of fuel(half tank) turns over fine. no prior problems. Any suggestions or ideas
Q&A > Mercedes-Benz > 1990 Mercedes-Benz 420SEL
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...the brake pedal jumps as though the ABS is operating, then I come to a complete stop, still no ABS light. Once it get going around 25-30 mph, or about 50' the lamp will turn itself on without applyi...
Q&A > Mercedes-Benz > 1990 Mercedes-Benz 420SEL
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I already check the fuel pump, the relay and swith.
Do you think the catalytic affect this s...
Q&A > Mercedes-Benz > 1990 Mercedes-Benz 420SEL
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...ing like a race horse. After several trial and errors, I found out it was probably the relay (ABS light was on) and replaced it. Afterward, I starting hearing a slight "ticking" like a lifter or va...
Q&A > Mercedes-Benz > 1990 Mercedes-Benz 420SEL
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My Benz just had a new transmission installed and since then, the idle is way too high. This m...
Q&A > Mercedes-Benz > 1990 Mercedes-Benz 420SEL