Hmm, hate to bear bad news, but this is an MB and there really isn't an adjustment for the bands like older american cars. I've owned and serviced numerous of these little beasts and poor shifiting is par for the course.

Here are my favorite reference links for MB transmission stuff.
Enjoy.
Wayne Hyde

JAGGI Import Export in Missouri City,
Texas. (1-800-874-7753, www.JIE.com)

These sites MIGHT help:

http://www.mercedesdismantlers.com/diesel_vacuum_system.html#Diesel%20vacuum%20System%20Adjustments

http://www.mercedesdismantlers.com/722.3and722.416_transmission_adjustments.html#722.3%20and%20722.416%20transmission%20adjustments

http://www.continentalimports.com/ser_ic20242.html