My dash warning light stated ABC malfunction, "visit workshop". on 2004 Mercedes-Benz SL600

I do not fully understand how the ABC system works.

Asked by for the 2004 Mercedes-Benz SL600
this is active body control and is a very complicated
system that uses air operated shocks to level the car
and control it in an emergency. WIS, which is Mercedes
factory Workshop Information System, is updated contantly and is not available to the public. this is not a system that you can diagnose, repair or understand without the investment of many thousands of dollars.