Tire won't come off on 1998 Mercedes-Benz E320

Is there a lock or something on the tire?
The lugs are off but the wheel won't come off.

Asked by for the 1998 Mercedes-Benz E320
usually just corrosion on the hub. try a good swift kick to the tire, a mallet from behind the wheel or in extreme cases leave the lugs in but a few turns loose and move the car back and forth. use a wire brush to clean the corrosion once its off.