I just realized I am leaking diesel fuel on 1993 300D. It is dark now so no diagnosis today but it is leaking somewhere under driver side and not engine. Almost like at the middle of a car and it is leaking extensively. Any suggestions. I just had mechanic replace radiator and do my rear suspension. Does that have to do anything with this???

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1993 Mercedes 300D 2.5

1987 Mercedes 300D 3.0

2000 Volkswagen JETTA TDI diesel 5 speed

2002 Lexus ES300

2006 Lexus GS430