Remove/install rear spring - AR32.20-P-0230GZ

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

Fig 1: Identifying Rear Spring Components (1 Of 3)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Rear Spring Components (2 Of 3)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Rear Spring Components (3 Of 3)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	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
		While working on the rear axle care must be taken to ensure that the surfaces of aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the of the parts will be reduced.
1	Detach complete wheel		AP40.10-P-4050Z
2	Mark the installation position of all spring parts relative to each other, the body and to the lower transverse control arm (2)	Mark all detachable parts in color relative to each other, to body and to the lower control arm (2).
3	Process closed lower spring retainer (5a)	Vehicles with closed lower spring retainer (5a) Break bars out of closed lower spring retainer (5a) and smooth breaking edges in order to insert tensioning device (3a).
			Fig 4
4	Insert upper clamping plate (3b), lower clamping plate (3c) and tensioning device (3a)	Insert upper clamping plate (3b) and lower clamping plate (3c) so that as many rear axle spring coils (1) as possible are clamped.
			Fig 4
			Fig 5
5	Clamp and remove rear spring (1)	The tensioning device (3a) must not be tensioned or released using a pneumatically or electrically powered tool. Damage will occur otherwise. Installation:  The tab on the punched lower spring retainer (5b) must latch into the groove in the lower control arm (2).
6	Release tension on rear spring (1) and clamp new rear spring (1)	When replacing rear spring (1) Only replace rear springs (1) in pairs.
7	Remove all detachable parts and check	Replace closed lower spring retainer (5a) with punched lower spring retainer (5b). Check punched lower spring retainer (5b), upper spring retainer (4), rubber insert (7) and rubber boot (10) for signs of wear and damage, replace if necessary.
8	Adjust vehicle level	If necessary. To do so, detach rubber boot (10) and plastic ring (9) from upper spring retainer (4) and remove or add space washers (8).
		Lubricant, rubber assembly 1L	*BR00.45-Z-1010-06A
9	Replace expansion clip (6)
10	Install in the reverse order
11	Check vehicle level, adjust if necessary	After replacing the rear springs (1)	AR40.20-P-0301GZ

Fig 4: Identifying Tensioning Device (202 589 02 31 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 5: Identifying Tensioning Plates (164 589 01 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.