Adjust Camber At Rear Axle - AR40.20-P-0202LWX

Model 253.388/389/988/989 

Shown on left side of vehicle 

Courtesy of MERCEDES-BENZ USA

	Risk of injury  caused by pinching or crushing when working on springs or spring bodies that are under tension	Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.	AS00.00-Z-0001-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
	Notes on AIRMATIC	Model 253.388/389/988/989 with code 489 (AIR BODY CONTROL)	AH32.22-P-1000-02LW
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Measure
1	Perform initial measurement		AR40.20-P-0200LW
	Remove
2	Raise vehicle	The axles must be relieved of load.	AR00.60-P-1002LWG
3	Release pressure from air springs using vehicle diagnosis system
			AD00.00-P-2000-04B
4	Remove cover of spring link (1)
5	Remove screw (2) and adjusting plates (3)	Do not compress or extend the air spring. Otherwise the air spring will be damaged. Secure air spring with a helper to prevent it from falling off. The screwdriver bit special tool is to be used when a screw (2) with a multi-point socket is installed.
		Screwdriver bit	Fig 1
	Install
6	Insert new screw (2) and screw on new nut loosely
7	Build up pressure in air spring using vehicle diagnosis system
			AD00.00-P-2000-04B
	Adjust
8	Select new adjusting plates (3) on the basis of the removed adjusting plates (3) and the camber deviation determined in the initial measurement	Assign suspension data New adjusting plates (3) to be installed must be determined based on the measured camber deviation, the already installed adjusting plates (3) and the suspension data table. All the adjusting plates (3) of one spring link (1) must have the same number.	AR40.20-P-0203LWB
9	Install newly determined adjusting plates (3) and tighten nut of screw (2)	Tighten nut of screw (2) in ready-to-drive condition in order to rule out spring link (1) stresses. Make sure that the adjusting plates (3) are seated correctly and in the correct installation position. The screwdriver bit special tool is to be used when a screw (2) with a multi-point socket is installed. Only tighten nut of screw (2) to 1st stage of the specified tightening torque.
		Bolt, spring control arm to rear axle carrier	*BA35.20-P-1001-01I
		Screwdriver bit	Fig 1
	Measure
10	Perform final measurement		AR40.20-P-0200LW
	Install
11	Tighten nut of screw (2)	Only tighten nut of screw (2) to 2nd stage of the specified tightening torque. The screwdriver bit special tool is to be used when a screw (2) with a multi-point socket is installed.
		Bolt, spring control arm to rear axle carrier	*BA35.20-P-1001-01I
		Screwdriver bit	Fig 1
12	Install cover of spring link (1)
13	Lower vehicle

Fig 1: Identifying Screwdriver Bit (119 589 00 10 00)

Courtesy of MERCEDES-BENZ USA