Remove/install front door lock - AR72.10-P-4011MCC

MODEL 451.3/4 

Fig 1: Identifying Front Door Lock Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Close crank window
2	Remove door paneling		AR72.18-P-1000MCC
3	Mark installation position of window (1), unscrew bolts (2) and loosen window (1) on front door.	Do not damage seals on window (1) during installation, otherwise window (1) must be replaced. Align window (1) according to markings made previously before tightening bolts (2).
			*BA72.10-P-1005-01H
			*BA72.10-P-1006-01H
4	Disconnect electrical connector (3) from right door CL motor (M14/5) or left door CL motor (M14/6)
5	Unscrew bolts (4) on left right door CL motor (M14/5) or left door CL motor (M14/6)		*BA72.10-P-1004-01H
6	Guide right door CL motor (M14/5) or left door CL motor (M14/6) out of door until cables (5, 7) are accessible.
7	Unclip cable (5) from right door CL motor (M14/5) or left door CL motor (M14/6) (arrow A) and unhook relay lever (6).
8	Unclip cable (7) on right door CL motor (M14/5) or left door CL motor (M14/6) (arrow B), unhook from relay lever (8) and remove right door CL motor (M14/5) or left door CL motor (M14/6).	A cable for the lock cylinder in the door handle is additionally installed on the left door CL motor (M14/6). Observe installation position of this cable when removing.
9	Install in the reverse order

FRONT DOOR

Number	Designation		Model 451.3/4
BA72.10-P-1004-01H	Bolt, lock to front door	Nm	16
BA72.10-P-1005-01H	Bolt, quarter window to upper door frame	Nm	10
BA72.10-P-1006-01H	Bolt, quarter window to lower door frame	Nm	10