Remove/install pressure sensor for Active Body Control - AR32.50-P-0014R

MODEL 230.### ## up to 025000 with CODE (487) Active body control (ABC) 

Fig 1: Identifying Pressure Sensor For Active Body Control Components

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Sealing Ring, Assembly Sleeve And ABC Pressure Sensor

Courtesy of MERCEDES-BENZ USA

	Remove
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid.	Depressurize the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses.	AS00.00-Z-0013-01A
	Before opening the hydraulic system the area surrounding the separation point should be cleaned thoroughly. Even minute particles of dirt, introduced into the hydraulic components, can result in malfunctions and a total failure of the hydraulic system
	Notes on active body control suspension		AH32.50-P-0001-01N
1	Remove rear section of inside fender liner from left front fender		AR88.10-P-1300R
2	Unlock and detach the plug (2) on the pressure sensor ABC (B4/5)
3	Unscrew ABC pressure sensor (B4/5) from the valve unit for pressure supply (52)	Before releasing the ABC pressure sensor the engine must have been switched off for at least 5 minutes so that the ABC system is depressurized.
	Replace seal	Only carry out steps 4.1 to 6.1 when reusing the ABC pressure sensor (B4/5).
4.1	Remove old sealing ring (3) from ABC pressure sensor (B4/5)	Do not damage thread of ABC pressure sensor and seat surface of sealing ring in order to guarantee proper seating of the sealing ring.
5.1	Lubricate assembly sleeve (3a) lightly on the outside and plug onto the thread of the ABC pressure sensor (B4/5)	To assemble the new sealing ring (3) only the assembly sleeve delivered may be used.
	Hydraulic fluids (Specification 345.0)		BB00.40-P-0345-00A
6.1	Lightly lubricate the new sealing ring (3) and slide over the assembly sleeve (3a)	Ensure that the sealing ring is seated properly in order to avoid damage to the sealing ring.
	Hydraulic fluids (Specification 345.0)		BB00.40-P-0345-00A
	Install
7	Screw ABC pressure sensor (B4/5) into the valve unit for pressure supply (52) and tighten to the specified torque		*BA32.50-P-1020-01A
8	Plug the plug (2) onto the ABC pressure sensor (B4/5)
9	Install rear part of fender liner in the left front fender		AR88.10-P-1300R
	Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns when working in engine during starting procedure	Secure vehicle to prevent it from moving. Wear closed and snug-fitting work clothes. Do not grasp hot or rotating parts.	AS00.00-Z-0005-01A
10	Fill and bleed ABC system		AR32.50-P-0021N

ACTIVE BODY CONTROL SUSPENSION

Number	Designation		Model 230
BA32.50-P-1020-01A	Pressure sensor on pressure supply valve body	Nm	50