1991 Mercedes-Benz 300SEL Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Mercedes-Benz 300SEL
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1991 Mercedes-Benz 300SEL Problems"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.
Leaks may develop from the differential seals and/or cover on older or high mileage vehicles. Our technicians recommend a complete reseal of the differential unit when these leaks are addressed.
1991 Mercedes-Benz 300SEL Questionswhere is the fuel pump relay located at on a 1991 300SEL (1 answer)
had been running, but taking awhile to start. Then it is just turning over and will not start at all. Put some starter in breather, no firing, just turning over
Emer.brake switch works
no fuel is present at end of fuel line before injecter.Presure present at distributor