What year did MB's begin to have an interface for these code readers? Are they an actual piece of hardware or a program that can be run in a laptop? Or are there both types?

I used to assume that the computer equipment used to run diagnostics was proprietary and prohibitively expensive to buy.

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" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century

OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
2016 AMG GTS 12,000 miles