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

MODEL 166.8 

Fig 1: Identifying Rear Bumper Remove/Install Components

Courtesy of MERCEDES-BENZ USA

Shown on model 166.8 with CODE (550) Trailer hitch 

Fig 2: Identifying Rear Bumper Remove/Install Components - Shown On Model 166.8

Courtesy of MERCEDES-BENZ USA

Shown on model 166.874 

Fig 3: Identifying Rear Bumper Remove/Install Components - Shown On Model 166.874

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Open liftgate
2	Lift vehicle on vehicle lift		AR00.60-P-1000GZ
3	Remove bolt (1)
4	Detach left and right fender liner in rear fender in area of bumper (2)		AR88.10-P-1400GQ
5	MODEL 166.874	Unscrew left and right bolt (5)
6.1	Unscrew left and right bolt (3)	MODEL 166.8 (except 166.874)
6.2	Unclip left and right expansion rivet (3)	MODEL 166.874
7	Unclip bumper (2) from side wall (arrow a)	Observe lug (4). Otherwise rear lamp can be damaged.
8	Unclip bumper (2) below rear lamp (arrow b)	Detach bumper (2) until electrical connectors (6, 7) are accessible.
9	Disconnect electrical connectors (6, 7) and remove bumper (2)	The number of electrical connectors varies according to vehicle variant.
10	Install in the reverse order
	Check
11	Check whether blind spot assist is ready for operation	MODEL 166.8 with CODE 234 (Blind Spot Assist) Switch on ignition. The operation and warning indicators in the outside mirrors illuminate red and then yellow.
12	Check whether PARKTRONIC active assist is ready for operation	MODEL 166.8 with CODE 220 (PARKTRONIC) with CODE 235 (Active Parking Assist) Switch on ignition and PARKTRONIC, engage reverse gear and release parking brake. The PARKTRONIC automatically performs a self-test and the operational readiness is signaled via the warning indicators.