Disassemble/assemble suspension strut - AR32.25-P-1018GZ

MODEL 164 except CODE (489) Airmatic (air suspension with level adjustment and adaptive damping system ADS) 

Fig 1: Exploded View Of Suspension Strut

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between the columns of the and position the four support plates below the lifting platform support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of injury  caused by pinching or crushing  when working on springs or spring bodies that are under load	Use only approved tensioning devices; shield off hazard area if necessary. Inspect special tools for damage and proper operation (visual inspection). Wear protective gloves.	AS00.00-Z-0001-01A
	Notes on self-locking nuts and bolts	All models	AH00.00-N-0001-01A
1	Remove front suspension strut		AR32.25-P-1017GZ
	Disassemble/assemble
2	Clamp tensioning device (10) in vise and insert clamping plate (8, 9)	Tensioning device	Fig 2
		Tensioning plates	Fig 3
3	Insert suspension strut into tensioning device (10)	When positioning the strut, attempt to get the maximum possible number of spring coils (7) in the spring clamp.
4	Clamp spring (7) until the upper spring cup (3) is relieved of load.
5	Remove cap (1)
6	Undo fastening nut (2) and remove shock absorber (11)	Counterhold the piston rod using a wrench socket.
			*BA32.25-P-1003-01G
		Socket wrench	Fig 4
7	Remove bellows (6) and stop damper (5)
8	Release tensioning device (10) and remove spring (7) with upper spring cup (3) and spring seat (4)
	Check
9	Inspect shock absorber (11)	Check shock absorber (11) for leaks. A thin film of oil on the shock absorber (11) is acceptable. Replace shock absorber (11) if necessary.	AR32.25-P-0121A
10	Check bellows (6), stop damper (5) and spring seat (4) for signs of wear	Replace any components with oil contamination, cracks or deformation.
11	Assemble in reverse order	Assemble suspension strut such that the upper spring cup (3) is correctly assembled and positioned on the suspension strut.
	Install
12	Install front suspension strut		AR32.25-P-1017GZ
13	Check headlamp adjustment and correct if necessary	After installing new parts.
	Check and correct headlamp setting		AP82.10-P-8260GZ

Fig 2: Identifying Tensioning Device (203 589 01 31 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Tensioning Plates (169 589 02 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Socket Wrench (164 589 00 10 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.