I have a set of Hazet wrenches used to adjust the valves on the 617 engine on an ebay auction. These were used 4 times, so are like new. Marked Hazet, with the Mercedes star and Mercedes parts numbers on them:

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2485386700&rd=1&sspagename=STRK%3AMESE%3AIT

Thanks,

Greg