Sorry missed your car type. Got confused with 190e 2.6
There are two clips either side of the radiator you must remove.
You can then pull the fan shroud up over the fan. Access to the fan clutch is then easier. You use an allen key and extension plus a tool to hold the fan .
See this thread
http://www.peachparts.com/shopforum/showthread.php?t=248249&page=2