It is simply NOT TRUE that Bosch platinums do not work well in Mercedes. It appears that a RESISTOR plug, whether regular copper or platinum, will not work well in most Mercedes. But, I have installed Bosch Platinums in several Mercedes with excellent results. Obviously, they were not resistor type plugs and I used both Bosch 2's and quad's in these cars, with good results. Why do certain people think the simple answer to every ignition problem is to eliminate the platinum plugs? It just is not true.

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Ben Harrison Carter
1999 Mercedes ML320 87K
1992 Mercedes 300CE 89K
1995 Corvette 29K -- Sold Dec 09
1989 Mercedes 420SEL 99K -- (Sold 4/08)
1968 Mercedes 230S (106K) (Sold 9/06))
1976 Mercedes 450SEL 130K (Just sold - 06)
1961 Mercedes 220Sb (sold years ago)