简述奔驰WIS中,221系列ABC(主动车身控制)排空和加油的过程

说明书上有

我喜欢奔驰，我想买一辆

1 insert dipstick all the way into the expansion reservoir, pull out again, read off hydraulic fluid level and correct if necessary
2 start engine
3 press vehicle level adjustment button repeatedly until indicator lamp in button goes out
4 insert dipstick all the way into the expansion reservoir, pull out again, read off hydraulic fluid level and correct if necessary
BLEEDING
5 pressurize the ABC system manually
6 press vehicle level adjustment button repeatedly until indicator lmap in button illuminates and goes out
7 turn off engine
8 after a waiting time of approx. 10 mins, pull the dipstick out of the expansion reservoir and wipe off with a lint free cloth
9 insert dipstick all the way into the expansion reservoir, pull out again, read off hydraulic fluid level and correct if necessary
10 check ABC system for leaks and function

额，这个有点难度