Removing and installing hydraulic cylinder - AR72.00-P-1800BM

MODEL 140.051 /057 with CODE (979) Special protection version 

Illustrated on front door 

Fig 1: Identifying Hydraulic Cylinder Components (Illustrated On Front Door)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removing, installing
1	Remove door liner	See microfiche WH special protection model 140
2	Remove hydraulic lines (1) from hydraulic cylinder (2)	Do not actuate electric switch for power window, if necessary remove power window fuse or disconnect battery. Unlock retaining plate (6) on lock
3	Plug hydraulic lines (1)	If necessary catch oil running out
4	Unlock retaining plate (5)
5	Unscrew screw (3) and nut (4) from hydraulic cylinder (2)	Installation:  Replace screw (3), retaining plate (5) and nut (4)
6	Remove hydraulic cylinder (2)
N	Install in the reverse order
8	Check hydraulic oil level for hydraulic window lift mechanism	The hydraulic unit with the oil reservoir as well as the valve block are located in the spare wheel recess in the trunk. The oil level should not be below the minimum mark when the side window is closed nor above maximum mark when the side window is open.	BB00.40-P-0342-00A