Remove/install rear-end door hinge - AR72.20-P-2560MCD

MODEL 451.3 

Fig 1: Identifying Rear-End Door Hinge Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove
1	Open liftgate (4)
2	Remove rear roof frame trim		AR68.30-P-4470MCC
3	Mark position of door hinges (3, 6) in relation to rear-end door (4) and to body	Do not remove both door hinges (3, 6) simultaneously; reinstall removed door hinge (3 or 6) before removing second door hinge (3 or 6)
4	Center punch bolts (5, 7) from bottom and drill out carefully	When drilling out do not damage roof paneling, otherwise it must be replaced. Aid of helper required when drilling out second bolt (5, 7). Only drill out bolts (5, 7) until bolt head can be taken off from top.
		Cordless drill/driver, cordless drill   Wet/dry vacuum cleaner	Fig 2
5	Remove bolts (1, 2) from door hinge (3, 6) and take off door hinge (3, 6)	Aid of helper required for holding rear-end door (4)
	Install
6	Instead of bolts (5, 7) fix two M6 nuts in place on door hinge (3, 6) from the top	Use, for example, instant adhesive to fix the two M6 nuts in place.
7	Align door hinge (3, 6) and screw in suitable M6 bolts up to stop from bottom	Observe length of M6 bolts; if M6 bolts are too long, they can hit against the roof paneling and damage it. Aid of helper required for holding rear-end door (4) Counterhold M6 nuts with open end wrench from top (A arrows).
8	Align rear-end door (4) on door hinge (3, 6) and screw in bolts (1, 2) to stop	Aid of helper required for holding rear-end door (4)
9	Align door hinge (3, 6) to markings previously made and screw in M6 bolts and bolts (1, 2)	Check gaps on rear-end door (4), adjust if necessary. See: ↓
		Adjust rear-end door	AR72.20-P-3510MCD
			*BA72.20-P-1005-02F
			*BA72.20-P-1006-02F
10	Install rear roof frame trim		AR68.30-P-4470MCC

REAR-END DOOR

Number	Designation		Model 451.3
BA72.20-P-1005-02F	Bolt, hinge of rear-end door upper section to body	Nm	12
BA72.20-P-1006-02F	Bolt, hinge to glass pane	Nm	12

Fig 2: Identifying Twist Drill Bit Set (450 589 01 70 00)

Courtesy of MERCEDES-BENZ USA