My 300e started to make noise yesterday. Tracked it down to the fan clutch bearing bracket. Unfortuneately, I'm working about 250 miles from my tools (home) and won't be going there until Friday. The noise is very loud at start up, but then seems to almost go away shortly after warm up.

Does anyone have a guess (or any experience) on how long this might last?

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07 E350 4Matic wagon, 06 S430 4Matic, 99 SLK 230
retired W210 (x3), W124, W126