Thanks MB Workshop for the detailed information. Unfortunatly I am about 1500 miles from your service area or I would give you a call. Based on the information you priovided my local Dealer wants about $155 to $175 to do the job. I am running out of time and don't have the dipstick yet so I will bite the bullet and take it in. So far they have been pretty good for Service I just like to know what is wrong and how much $$$ to expect before I take it in.

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Dave
88 300E 250K Sold
2000 C230K Totaled @104K
2003 ML320 156K Sold
2009 E350 4Matic Sport 46K Sold
2011 ML350 60K Sold
2014 GLK350 46k Sold
2012 GL450 67K
2016 E550 Cabriolet 48K