WIS is the latest Mercedes electronic shop manual:

"The Workshop Information System (WIS) is a modern DP supported information system.
It not only replaces the workshop documentation available to date on paper and microfilm, but also offers a multitude of possibilities for attaining information required."

See http://www.autoepc4you.com/catalog/view/?id=478 and many other sites or Google "Mercedes WIS."

__________________

"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .343,000 miles Wife's car
2005 E320 CDI . . 148,000 miles My car
Santa Rosa population 177,300 (2026 projected)
Total. . . . . . . . . . . . 668,300
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970