Disassemble/Assemble Front Bumper - AR88.20-P-2050MFA

Model 118 

Model 177 

Model 247.0 

Courtesy of MERCEDES-BENZ USA

Shown on model 177 with code 235 (Active Parking Assist) and with code 501 (360° camera) 

Courtesy of MERCEDES-BENZ USA

Shown on model 177 with code 235 (Active Parking Assist) and with code 501 (360° camera) 

Courtesy of MERCEDES-BENZ USA

Shown on model 177 on the right side with code 235 (Active Parking Assist), with code 501 (360° camera) and with code 772 (AMG styling - front spoiler, side skirt) 

Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove
1	Remove front bumper (1) and set down on clean, padded base.	In order to prevent soiling or damage.	AR88.20-P-2000MFA
	Disassemble/assemble
2	Remove license plate number and license plate bracket.
3	Remove expansion rivets (2) and support (3) from front bumper (1).	Dismantling tool	Fig 1
4	Remove front parking system distance sensors (B8/1 to B8/6) in front bumper (1) with connected electrical connectors.		AR54.65-P-0001MFA
5.1	Remove Active Brake Assist controller unit (A108).	Model 118, 177, 247.0 with code 258 (Collision warning system with active brake application FCW-Stop) Model 177 with code 258 (Collision warning system with active brake application FCW-Stop) with code 772 (AMG styling - Front spoiler, side skirts)	AR54.21-P-0700MFB
		Model 118, 177, 247.0 with code 258 (Collision warning system with active brake application FCW-Stop) except code 772 (AMG styling - Front spoiler, side skirts)	AR54.21-P-0700MFA
5.2	Remove electric controller unit for Active Distance Assist DISTRONIC (A108/1).	Model 118 Model 177 Model 247.0 with code 239 (Adaptive cruise control Pro (DISTRONIC PRO))	AR54.21-P-0708MFA
6	Remove outside temperature sensor (B14).	Only when replacing outside temperature sensor (B14) or cover (5) on the left.
7	Remove electrical wiring harness (4) from front bumper (1).	Do not crush, kink or subject electrical wiring harness (4) to tension. This will result in damage to the lines which may impair their functional capability. Carefully remove electrical wiring harness (4). Front parking system distance sensors (B8/1 to B8/6) will otherwise be damaged. : Ensure they are routed correctly. Long wedge	Fig 2
8	Unclip bracket (6).	Model 118, 177, 247.0 with code 258 (Collision warning system with active brake application FCW-Stop) except code 772 (AMG styling - Front spoiler, side skirts) Long wedge	Fig 2
9	Unclip and remove air grille (7).	Long wedge	Fig 2
10	Drill off blind rivets (11).	Model 118, 177, 247.0 with code 772 (AMG styling - Front spoiler, side skirts) Commercially available devices/tools  drill A drill bit : First install covers (5) then air grille (7).
11	Unclip covers (5) on left and right and remove.	Long wedge	Fig 2
12	Remove radiator grille.		AR88.40-P-4001MFA
13	Remove small emblem badge (9).	Assembly  : Ensure that area around small emblem badge (9) is covered using a suitable means. The paintwork may otherwise be damaged. Assembly  : Ensure that locking clips are correctly secured on retaining pins of small emblem badge (9). Correct seat of small emblem badges (9) is otherwise not ensured. Assembly  : Replace small emblem badge (9). Long wedge	Fig 2
14	Remove cover (10) of towing eye.	Long wedge	Fig 2
15	Assemble in the reverse order.
	Install
16	Install front bumper (1).		AR88.20-P-2000MFA

Fig 1: Identifying Dismantling Tool (000 589 95 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA