What is the ABC system on a Mercedes-Benz?
Active Body Control, or ABC, is the Mercedes-Benz brand name used to describe hydraulic fully active suspension, that allows control of the vehicle body motions and therefore virtually eliminates body roll in many driving situations including cornering, accelerating, and braking.
How do you check the ABC fluid level on a Mercedes sl500?
How to check Mercedes Hydraulic ABC Fluid Level
- Turn off the engine and locate the ABC reservoir in the engine bay.
- Remove the dipstick. The dipstick has two sides.
- Wipe off the dipstick.
- Fully reinsert the dipstick into the reservoir and pull it out.
- Read the level on the dipstick.
What is Mercedes AIRMATIC suspension?
AIRMATIC® is a self-leveling suspension system; adding passengers or cargo doesn’t reduce the comfort of your ride. On rough roads around Eastvale or Fontana, AIRMATIC® can raise the vehicle with the push of button for greater ground clearance.
What to do if your ABC pump is running dry?
Go the parts store for a quart of “Pentosin CHF 11S” fluid and fill to the upper mark before starting the engine. If in fact the pump was run dry, the pump may require priming to get operational again. This is done by pressurizing the reservoir to help the pump get the fluid moving again. Check the underside of the car for any signs of fluid leak.
How does the ABC system work on a Mercedes Benz?
The ABC system is a computer controlled hydraulic system. A control module monitors sensors and sends commands to the valve blocks to add/remove fluid from the struts. The control module’s goal is to keep the chassis level at all times. Should any problems occur, it will inform the driver with a message on the dash.
How do you take ABS unit out of car?
Find the bolts holding the ABS unit in place. Taking care, loosen these one by one and gently slide the ABS unit out of its seating. There may be other parts in the engine blocking you from removing the ABS unit, such as the brake fluid sensor, so if necessary take these out before removing the unit.
What should I do if my ABC system is not working?
If the valve block is not holding a good seal, then the first action is to change the ABC fluid filter, perform a procedure called a “rodeo” that exercises the system, and then replace the filter again. This will sometimes clear up the problem, at least temporarily. This will cost around $300.
What do you need to remove ABC pump?
Disconnect the electrical connector from the ABC pump. Remove the 2 etorx bolts on the front of the ABC pump. You will need to move the belt tensioner using the breaker bar to access one of the bolts. The rear of the pump is held in place with a nut through an engine bracket onto a captive stud in the pump.
How do you remove an ABC pump from a Mercedes Benz?
Loosen the hose clamps from the 2 hoses where they go to the power steering reservoir and ABC reservoir, then pull the hoses from them. Remove the front 2 of the three 10mm bolts holding the reservoir assembly in the car, then loosen the 3rd nut that attaches the bracket to the strut tower.
How to check hydraulic ABC fluid in Mercedes?
How to check Mercedes Hydraulic ABC Fluid Level 1 Turn off the engine and locate the ABC reservoir in the engine bay. 2 Remove the dipstick. The dipstick has two sides. 3 Wipe off the dipstick. Note the side that says “MOTOR AUS UNBELADEN”. 4 Fully reinsert the dipstick into the reservoir and pull it out. 5 Read the level on the dipstick.
How is the ABC pump held in place?
The rear of the pump is held in place with a nut through an engine bracket onto a captive stud in the pump. In order to access this nut, you need to remove the cylinder that the banjo bolts go into from the ABC pump. It is held in place by 2 etorx bolts which are not so easy to access.