Thanks for the additional tips. I only remarked about the two fuel pumps because per the DIY article on this site, on how to remove the fuel pump, it cited 2 pumps for this car’s up to 2002....

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member