Remove/install rear bumper - AR88.20-P-2200RT

MODEL 251 

Fig 1: Backup Light Actuation - Electrical Function Schematic

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Rear Bumper Remove/Install Components (2 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Rear Bumper Remove/Install Components (3 Of 3)

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

12.4.10

Disconnect blind spot assist connector

Operation step 7

	Remove/install
1	Remove expansion rivets (1) and detach fender liner in area of rear bumper (7).	Do not remove wheels.
2	Remove bolts (2) from both rear fenders
3	Remove bolt (3)
4	Open liftgate
5	Open paneling (4) in load compartment and remove
6	Remove bolts (5)	Adjust gap between rear-end door and rear bumper (7) and tighten bolts (5). See: ↓
		Gap dimensions on hoods, doors and lids	AR60.00-P-0700-01RT
		Gap between rear-end door and bumper "Dimension Z"	*BE60.00-P-1005-01S
		Feeler gauge	Figure
7	Remove grommet (6) from body and disconnect rear bumper PTS connector (X35/28) and/or blind spot assist connector	Vehicles with code (220) Parktronic system. Vehicles with code (234) Blind spot assist. Helper required for holding rear bumper (7).
8	Remove rear bumper (7) toward rear	Use aid of helper.
9	Install in the reverse order

TEST AND ADJUSTMENT VALUES FOR GAP DIMENSIONS

Number	Designation				Model 251
BE60.00-P-1005-01S	Gap dimension	Taillamp to bumper	Dimension "U"	mm	3.5 (±1.5)
		Taillamp to side wall	Dimension "V"	mm	3.5 (±1)
			Dimension "W"	mm	4 (±1)
		Taillamp to rear-end door	Dimension "X"	mm	4.5 (±1.5)
		Rear-end door to antenna module	Dimension "Y"	mm	5.5 (±0.5)
		Rear-end door to bumper	Dimension "Z"	mm	6 (±1.5)
			See picture		Fig 4

Fig 4: Identifying Feeler Gauge (129 589 03 21 00)

Courtesy of MERCEDES-BENZ USA