Remove/install rear suspension strut - AR32.25-P-1016RK

MODEL 231 

Fig 1: Rear Suspension Strut Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Rear Suspension Strut Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid.	Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.	AS00.00-Z-0013-01A
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on Active Body Control suspension		AH32.50-P-0001-01LF
	Notes on Active Body Control suspension		AH32.50-P-0001-01N
	Remove/install
1.1	Relieve pressure in ABC system using the bleed screws	MODEL 231.### ## up to 021273 with CODE 487 (Active Body Control (ABC))	AR32.50-P-0001-01N
		Catch hydraulic fluid in a suitable container. Bleed screw on soldered fitting in hydraulic line	*BA32.50-P-1001-02B
1.2	Release pressure in ABC system using Star Diagnosis	MODEL 231.### ## as of 021274 with CODE 487 (Active Body Control (ABC))	AR32.50-P-0001-01LF
		AD00.00-P-2000-04A
2	Remove separating roller blind in luggage compartment		AR68.50-P-3000RK
3	Remove side paneling in the left or right of the luggage compartment		AR68.30-P-4800RK
4	Disconnect electrical connector (1)	MODEL 231 without CODE 487 (Active Body Control (ABC))
5	Remove spring control arm (3)	While working on the rear axle care must be taken to ensure that the surface of all aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the of the parts will be reduced. Pay attention to attachment of the spring control arm to the ABC suspension strut or the steel suspension strut.	AR35.20-P-0114RK
6	Undo quick-release coupling (5) of hydraulic line	MODEL 231 with CODE 487 (Active Body Control (ABC)) Make sure that no dirt enters the open quick- release coupling (5). This can result in failure of the ABC system. Make sure that the quick- release coupling (5) engages completely. Detaching tool	Fig 3
7	Unscrew nuts (2) and remove suspension strut (4)	While working on the rear axle care must be taken to ensure that the surface of all aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the of the parts will be reduced. Nut, suspension strut for rear axle to body	*BA32.25-P-1003-04N
8	Install in the reverse order
9	Fill and bleed ABC system	MODEL 231 with CODE 487 (Active Body Control (ABC))	AR32.50-P-0021SX
10	Calibration of stroke of suspension struts	Whenever a suspension strut is replaced, calibration using Star Diagnosis must be performed in the menu "Control units - Adaptation/Tech-in processes".	AR40.20-P-0301RK

SUSPENSION STRUTS

Number	Designation		MODEL 231
BA32.25-P-1003-04N	Nut, suspension strut for rear axle to body	Nm	35

ACTIVE BODY CONTROL, LINES

Number	Designation				MODEL 231 with CODE 487
BA32.50-P-1001-02B	Bleed screw on soldered fitting in hydraulic line	M10x1		Nm	20

Fig 3: Identifying Detaching Tool (221 589 01 33 00)

Courtesy of MERCEDES-BENZ USA