The active body control system can leak fluid from numerous areas, including the tandem pump, hydraulic lines, struts, and/or seals. If it is not repaired, the vehicle ride height could drop too low and cause damage to the undercarriage.
Car Problem Reports
Mercedes-Benz SL55 AMG Active Body Control System Can Leak Hydraulic Fluid
Mercedes-Benz SL55 AMG Problem
Average Mileage: 46,857 mi (30,000 mi - 80,000 mi)
body on SL55 AMG keeps dropping within two or three hours, need to raise body prior to driving. MB wants $7,0000 to fix the metering valves?
Visitor, 2007 Mercedes-Benz SL55 AMG, 34,000 mi
ABC unit leaking for acumimlater
Visitor, 2004 Mercedes-Benz SL55 AMG, 76,000 mi
tandem suspension pump is bad $2,800 repair...oouch
Visitor, 2006 Mercedes-Benz SL55 AMG, 30,000 mi
oil leak abc