What is ABC on a Mercedes?
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 to use ABC fluid in Mercedes Benz?
If you are using start go to ABC COntrol Unit > Acuations > Cyclically alternating actuation of the front and rear suspension struts (pitch) >F3 If Star Diagnostic is not available, use the ABC switch in the dashboard and cycle it on and off every 5 seconds. Open all your ABC fluid container and get them ready.
How often should I Flush my Mercedes suspension fluid?
When the ABC fluid level gets too low, you may also notice a humming or whining noise coming from the engine. Minor suspension oil leaks can develop on high mileage Mercedes-Benz and may require topping the hydraulic suspension once a year. How to perform Mercedes ABC fluid flush.
How much does it cost to flush a Mercedes W221?
Doing the work yourself can save you hundreds in comparing to having the dealer or a mechanic do the flush. At the dealer flushing, ABC system would run between $580-$800. AGA tool is not a required but can make the job easier on W221, W216. Flush can be done without the tool.
Where is the ABC reservoir on a Mercedes Benz?
ABC reservoir is located in the engine bay, behind the driver’s side headlight. You will need to remove the large bolt, then slide bracket. This will give you enough room to remove the cap. Remove the large cap on top of the ABC reservoir. The cap has the filter integrated below the lid.
When did the ABC system start on my Mercedes SL500?
In July of 2014, I purchased a used 2003 Mercedes SL500 with 80,000 miles on it. And within days the infamous “ABC Drive Carefully” message started appearing on the dash.
When the ABC fluid level gets too low, you may also notice a humming or whining noise coming from the engine. Minor suspension oil leaks can develop on high mileage Mercedes-Benz and may require topping the hydraulic suspension once a year. How to perform Mercedes ABC fluid flush.
If you are using start go to ABC COntrol Unit > Acuations > Cyclically alternating actuation of the front and rear suspension struts (pitch) >F3 If Star Diagnostic is not available, use the ABC switch in the dashboard and cycle it on and off every 5 seconds. Open all your ABC fluid container and get them ready.
What’s the problem with Mercedes Benz ABC system?
The ABC system noticed a problem when starting up and has disabled itself, locking the struts in their current position. This may result in what many people describe as a “tuna boat” ride (very bouncy). The system has a fluid leak and the fluid level in the reservoir is extremely low, preventing the system from getting up to operating pressure.