Hi!! I was fiddling with the car the other day and found this (red circle in pic below).. It seems like a resistor, I tried changing it and the car for some reason felt a bit quicker?

What does this thing do? Some told me it's some kind of retard sensor. I only put premium in the car. Which setting gives me the most horsies?

Cheers

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http://img.photobucket.com/albums/v3...m-sigsmall.jpg

actually it is a resistor that when moved will alter the ignition timing, it is known as a R/16 resistor,

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1967 250 S
1967 280SE
1968 250S
1971 280 SE
1973 220
1974 280 S
1975 450 SEL
1976 220 D
1979 300SD
1983 300 SD
1985 230 TE euro
1986 280SL
1986 500 SEL euro
1986 190E 2.3
1990 300 SE
2003 C230 K
2004 C230 K
1987 560SEL
1987 300SDL now in canada
2005 C230
1998 C43 AMG Sold to DON
1993 190E 2.6
300TD Former daily driver Totaled
current:
R320 CDI
Ram 2500 Cummins

Don't fiddle with it! This resistor is highly sensitive and would play havoc on your engine if improperly set.

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A. Rosich
CL 500, 1998
S 500 L, 1998
E 320 T, 1995 [Sadly sold ]