If the fuel cops check you tank, transmission fluid will show up as offroad diesel. The red dye is the same type.

MUCH more of a problem for the guys driving F-350 pick up trucks than for guys driving MBs.

-Jim

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1995 S350D, Green with black leather interior.
Bought January 2008 w/ 233,xxx miles.
I did 22,000 miles during the first year of ownership.