Hello i need to change the rear wheel bearing on my 1985 230e w123 merc .. looked in the manual and it says i might need a special tool to extract the bearing from hub ... anyone done a wheelbearing before? and where can i get this tool from .. im in surrey area and willing to travel to hire a tool .. desperate to do this job .. but not that desperate to pay merc £100 an hour to do it ... :evil: