I just installed a new Pierburg-branded, Mercedes logo'd diesel vacuum pump (000 230 31 65) in my '96 E300. This was done purely as a precaution. The old pump appears clean and undamaged inside and is the "new" style with the enclosed bearing and four screws on the cover. However, it is the original on this car and has 286,000 miles on it. The new pump was made earlier this year in Germany and carries a 2012 date code stamp. Has anyone experienced an immediate failure of such a new vacuum pump?

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