Active Body Control System Can Leak Hydraulic Fluid on Mercedes-Benz S600

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.

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Average mileage: 68,022 (11,700–128,500)
11 model years affected: 1997, 2001, 2002, 2003, more2004, 2005, 2006, 2007, 2008, 2009, 2010
39 people reported this problem
20 people shared problem details
ABC fluid leaked out while sitting in the garage called MBUSA. This company does not want to admit that there is a serious problem with these ABC systems. However they put the blame on the dealer. My dealer in SC has supported me fully with the repairs. Current owner of two Mercedes Benz MBUSA will never have to worry about me owning another one. My dealer is great, but the customer service of MBUSA backing their inferior product convinced me that MB has lost its edge on quality. PRODUCT AND CUSTOMER SERVICE!
13 people like thisFlag inappropiate
high pressure hose of abc system (the one that comes to top of car then u's and goes back down) popped a hole lost all fluid fixed hose now year later 65000 miles other side pops and down again till buy another hose and fluid this is crap mercedes knows they need to fix this problem
9 people like thisFlag inappropiate
Puddle of ABC fluid on garage floor after sitting 2 months until winter passes. Was in shop 5k miles ago for ABC damper replacement. Very poorly engineered car with multiple problems other than ABC. I can expect a major repair bill every 1000 miles. Average of $1000 to $2000 per repair. Garbage car. Garbage engineers. Garbage Dealerships.
4 people like thisFlag inappropiate
This is the third time I had a problem with the ABC system. The first time I heard a pop sound and found that some oil was leaking, then six month later the problem happen again, with oil leaking again, and now again. Why can't the Mercedes Dealership fix the problem right the first time.
4 people like thisFlag inappropiate
lost power steering and had towed to benz dealer in fl with an estimate of 3700 for a hose and strut rear leak for a car that cost over 140,000 when i bought it new and all the complaints about this mb needs to step up to the plate and resolve this issue or im goning to miss mb and go to cadillac or lexus
3 people like thisFlag inappropiate
Active Body Control System Can Leak Hydraulic Fluid Verified for the Mercedes-Benz S600 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. Having the same active body control, spent too much money already fixing it
3 people like thisFlag inappropiate
At first the car just slumped on the driver's side, but then I started getting ABC warnings every time I hit a dip in the road followed by a complete failure of the ABC. The suspension stopped suspending the car
2 people like thisFlag inappropiate
Leaking fluid; ride height compromised. In for repair discussion tomorrow. Just flushed brakes 5k ago; not sure if there is any relationship, probably not.
1 person likes thisFlag inappropiate
Failure of ABC hydraulic pump due to fluid leak in line
1 person likes thisFlag inappropiate
I've got the red warning on the dash board (ABC Control Unit - visit the nearest service) and the car went down by few centimeters. The car is in service right now and they don't have the required hose on stock. The labor will be huge as they (apparently) have to lift the entire engine to reach to that are. I should expect a high price.
SBS light on
ABC suddenly lurches down and then up. It's a terrible problem and car has only 40,000 miles on odometer. For a $160,000 car new, I feel ripped off.
Car displays a error "body" and dings loudly when hit a bump
When the was parked in the garage after a week it would leak down on right side.upon cranking it would return to up position.Next leaked refilled then the leak was instant I put it in and it leaked back out on the floor.upon inspection the ABC Hydraulic pump was leaking. so now I want to keep the it OEM so now I must replace the abc hyd pump.I have two Mercedes a 2006 S430 I replace the OEM with Struct Masters its ok I miss the orig sys. How ever I saved the labor because I did it my self in only two more hours that the shop I took my sweet time lunched too.Job completed and money in pocket no the Dealer Ship.I like my MB's but the cars have factory issues and no one stands up to Mercedes.The NTSB or NHS safety should speak for us all the problem is fact on all the same systems in each year of the S class and E.
abc malfunction in computer diagnosis screen, back of car dropped.
Rear body of car is low.
ABC Hose broke- $1600 to fix
Leak in suspension leveling hose. cost of repair asked by official MB: $ 3,700...
Leak in ABC hose upon ignition first thing in the morning. Unable to operate safely. Trailered to shop and price to repair is quoted at $1726.85. Quite a fee for less than 2 feet of hydraulic hose and fluid.
ABC problem, leak from broken hose
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