Yes, it takes a special tool to crimp the can, although I believe people have done it with pliers...how well they did it is another question. I suspect that the typical Mercedes dealer may not have this crimp tool any more -- I'd be delighted to be wrong, though. Ask and let us know.

Jeremy

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"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