Thread: W212 ('10 E350 4Matic) Oil leak around cam
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Old 08-14-2019, 11:05 AM
paul roberts paul roberts is offline
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Join Date: Jul 2011
Location: bellevue, wa.
Posts: 179
That would be the vacuum pump that you're seeing. You could try replacing the o-ring, but most of the time it's the pump itself.
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