I'm just surprised you didn't have a valve job done while the head was off..Especially @ that high a mileage.

Does this shop specialize in Mercedes machining? If not I'd find someplace else to have it done.

Jonathan

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Blue Ridge Mercedes
Jonathan Hodgman
http://www.blueridgemb.com/
Enthusiast Service, Restoration & Tuning.
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Located in the Atlanta area
Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines.
Mercedes Repair Atlanta