According to Autolite's website the recommended OEM plugs for a 1997 E320/M104 is an Autolite Resistor 3924 , I was wondering if anyone here has used these plugs as the archives do not mention them........I also own an 87 300E/M103 and I use Autolite 104 plugs as my valve seals leak a bit.........Compared to ANY Bosch plug that I ever used on my m103, the Auotlite plugs last longer and tend not to foul as easily............I was wondering if the same holds true for the M104?.......Thanks in advance!

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Currently Driving
2006 E320 CDI
1999 E300 Turbo Diesl
2002 ML500
1995 E320 Station Wagon


MBs I've owned
1997 E320 Assassinated by Pine Tree
1987 300E Wife Killed Engine
1981 300D Stretch Limo Total Loss
1970 250 Coupe 212,000 mi.
1974 450sel 184,000 mi.
1974 240D 377,000 mi.
1977 300D 204, 000 mi.
1979 280se God Only Knows!
1983 240D 130,000 mi.
1972 220D 280,000 mi.
1983 300SD 244,000 mi.