jammed

My front wheel bearing decided to give up, upon stripping down there was hardly any grease in there and not of the usual green stuff. Noisy as anything I struggled to get the hub off as the rear seal wouldn't come over the rib on the spindle. it actually was pulled off when I removed it...

Please Help, I have got a c220cdi w203, the boot lock was not locking, so I opened the lock and sprayed wd40 into the plastic gears, I then tried locking the boot lid using a screwdriver about 20 times and opened the lock with the handle outside, I then closed the boot lid a few times and opened...