Im glad I dont live in the east coast...(I dont mean to be mean)
I know what wheels you have, and I know if you use the cars weight to nock it off you are going to damage the wheel my brother has the same.
When you use wood, you are dampning the blow too much.
Try using a rubber mallet on the tire from the inside to the outside.
Or a baseball bat (aluminum) would be good.
If you are fighting your wheel, you are going to fight the lower control arms much worse...
I know why antisieze was invented.
No Benzes in the stable at the moment, but itching for one again.
Former Mercedes in the Stable:
1983 300CD Turbo diesel 515k mi sold
1984 300CD Turbo Diesel 150 k mi sold
1982 300D Turbo Diesel 225 sold
1987 300D Turbo Diesel 255k mi sold
1988 300 CE AMG Hammer 15k mi sold
1986 300E Amg Hammer 88k mi sold
1992 500E 156k mi sold