thanks for all the help and suggestions. really wanted the mb unit and I will have to watch ebay for it. $30 is too much from the dealer. Hope I dont step on any feet here... but I ended up going to pep boys and found a brand name "Ritefit" with a lifetime warranty. it is model a251 (as mentioned in a link earlier in this thread

). It says it is 76mm x 14 flute. i know it should be 74 mm but when you look inside the wrench it tapers inwards and it looks like it tapers down about 2 mm and it really fit well and worked well. it was only 3.99.
thanks again!
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1994 C280
2009 VW Tiguan
1993 Toyota X-tra Cab SE-5
1973 220D

... Gone, but not forgotten
1991 Alfa Romeo 164L

Gone, wife MADE me forget it
2006 Hyundai Tucson... just straight out FORGOTTEN!