The unit is for "OBD II" cars meaning it supports 1996 MBs and on. Check out the pic:
hxxp://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=94169
(replace the xx with . . .).

Will work for the 2001 . . . . . .

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Regards . . . . JimF
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'94 S500 Cpe

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