I haven't pulled MB grease seals yet, but the following works on a multitude of domestic and asian cars; it may also help with seal removal on european cars.
http://www.lislecorp.com/tools/catalog/bearings/index.htm
This tool and the bearing repacker shown below it are available at many auto parts stores. Pep Boys carries a line that Lisle likely makes. Other mass-marketer parts houses carry a line of specialty tools shown at the Lisle site under their or Lisle's name.