If your valet key turned it, but the master key didn't, I'd say you also need a new master key. I wouldn't use the same worn-out key on your new tumbler.

Mike

__________________
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1979 300 SD
350,000 miles
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1982 300D-gone---sold to a buddy
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1985 300TD
270,000 miles
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1994 E320
not my favorite, but the wife wanted it

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