benz W220 S320 rear suspension drop down

[harveyking]

when i was driving this benz W220 S320. suddenly rear end suspension drop. dash panel warning light says vehichle too low,rise the vehicle. i press the rise bottom but car did not rise.as if tires go in the fender.tires now is rubbing the rear fender both side.
can anybody please advice what to do.
thanks.

[Hanukkah]

Suspension will go down when you reach 50kph. Temporary fix is too shut off engine and turn it back on then select to raise vehicle suspension. Bring to garage and replace hydraulic suspension filter and fluid first. That already may fix the problem.