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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 361 (Detachable Body Components - 253 Chassis) >> Testing & Repair >> Disassemble/Assemble Front Bumper - AR88.20-P-2050LW

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

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Model 205 

Model 253 

MODIFICATION NOTES

09.07.2020 Method extended. Operation steps 16, 17  
09.07.2020 Special tool assembly wedge 110 589 03 59 00 replaced by long wedge 115 589 03 59 00 Operation steps 10, 13, 14, 15, 16, 17  
16.12.2020 Method extended, operation steps added Operation steps 16, 18, 19  
16.12.2020 Method extended Operation steps 17, 20  
G14173043Courtesy of MERCEDES-BENZ USA

Shown on model 205 with code P76 (Exterior standard equipment), code 501 (360° camera) and code U60 (pedestrian protection - active hood) 

G14173044Courtesy of MERCEDES-BENZ USA

Shown on model 205 with code P76 (exterior standard equipment), code 235 (Active Parking Assist) and code 237 (Active Blind Spot Assist) 

Shown on model 205 with code P76 (standard equipment, Exterior) 

G14173045Courtesy of MERCEDES-BENZ USA
G14173046Courtesy of MERCEDES-BENZ USA

Model 205, 253 with code 772 (AMG styling - front spoiler, side skirt) or code 773 (AMG Carbon Exterior package) or code P90 (AMG Exterior) 

G14173047Courtesy of MERCEDES-BENZ USA

Shown on left side in model 253 with code 772 (AMG styling - front spoiler, side skirts) 

G14173048Courtesy of MERCEDES-BENZ USA

Shown on left side in model 253 with code 772 (AMG styling - front spoiler, side skirts) 

G14173049Courtesy of MERCEDES-BENZ USA

Shown on left side in model 205 with code 772 (AMG styling - front spoiler, side skirts) 

Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
ASSEMBLINGDISASSEMBLING Disassemble/assemble     
1 Remove front bumper (1).   AR88.20-P-2000LW 
2 Remove radiator grille (11). Model 205 except code P23 (EXCLUSIVE exterior)
Model 253 (except 253.388/389/988/989)
AR88.40-P-4001LWE 
    Model 205 with code P23 (EXCLUSIVE exterior) AR88.40-P-4001LW
    Model 253.388/389/988/989 AR88.40-P-4001LWX
3 Disconnect the electrical connections for the pedestrian protection sensor (4). Model 205, 253 with code U60 (Pedestrian protection - Active hood)  
4
Topical note 
Remove impact absorber (3).
Notes on pedestrian protection sensor
Model 205, 253 with code U60 (Pedestrian protection - Active hood) AH91.60-P-0001-01A
Topical note  General information on the impact absorber IMPORTANT Model 205, 253 with code U60 (Pedestrian protection - Active hood)
Assembly:  Ensure that hose of pedestrian protection sensors (4) is seated correctly in impact absorber (3).
If the hose for the pedestrian protection sensor (4) is not seated properly,
↓
Correctly route hose of pedestrian protection sensor (4).
AH88.20-P-1000-01A 
    Model 205, 253 with code U60 (Pedestrian protection - Active hood) AR91.60-P-0950LW
5 Remove air duct (10). Model 205
Model 253 (except 253.388/389/988/989)
 
6 Remove the center basic carrier (15). Model 205, 253 with code 772 (AMG styling - Front spoiler, side skirts)
Model 205, 253 with code 773 (AMG Exterior Carbon package)
Model 205 with code P90 (AMG exterior)
 
7 Remove the PARKTRONIC sensors (5) from the front bumper (1). Model 205, 253 with code 235 (Active Parking Assist)
IMPORTANT Do not disconnect electrical connectors.
AR54.65-P-0001LW
8 Remove the radar sensors (6) from the front bumper (1). Model 205
up to model year 2019 with code 237 (Active Blind Spot Assist)
Model 205
up to model year 2019 with code 258 (Collision warning system with active brake application FCW-Stop)
Model 205
up to model year 2019 with code 266 (DISTRONIC PLUS with Cross Traffic Assist (DTR+Q))
Model 205
up to model year 2019 with code 268 (Brake Assist System Plus)
Model 205
up to model year 2019 with code 269 (Brake Assist PLUS with Cross-Traffic Assist (BAS+Q)
Model 205
up to model year 2019 with code 271 (Autonomous brake
intervention/pedestrian protection)
Model 205
up to model year 2019 with code 300 (PRE-SAFE® Brake)
Model 253 with code 237 (Active Blind Spot Assist)
Model 253 with code 258 (Collision warning system with active brake application FCW-Stop)
Model 253 with code 266 (DISTRONIC PLUS with Cross Traffic Assist (DTR+Q))
Model 253 with code 268 (Brake Assist System Plus)
Model 253 with code 269 (Brake Assist PLUS with Cross-Traffic Assist (BAS+Q)
Model 253 with code 271 (Autonomous brake intervention/pedestrian protection)
Model 253 with code 300 (PRE-SAFE® Brake)
IMPORTANT Do not disconnect electrical connectors.
AR30.30-P-1210LW
9 Remove the electrical wiring harness (7). Model 205, 253 with code 235 (Active Parking Assist)
Model 205, 253 with code 237 (Active Blind Spot Assist)
Model 205, 253 with code 258 (Collision warning system with active brake application FCW-Stop)
Model 205, 253 with code 266 (DISTRONIC PLUS with Cross Traffic Assist (DTR+Q))
Model 205, 253 with code 268 (Brake Assist System Plus)
Model 205, 253 with code 269 (Brake Assist PLUS with Cross-Traffic Assist (BAS+Q)
Model 205, 253 with code 271 (Autonomous brake intervention/pedestrian protection)
Model 205, 253 with code 300 (PRE-SAFE® Brake)
Model 205, 253 with code U60 (Pedestrian protection - Active hood)
 
10 Remove the side vent grilles (8). SPECIAL TOOL Long wedge Fig 1
11 Remove the license plate bracket (9).    
12 Remove the model badge on the radiator grille (11). If the radiator grille (11) is replaced.  
    Model 205.064/086/087/088/089/264/286/287/288/289/364/386/387/388/389/464/486/487/489 AR88.40-P-4001-01LW
13 Remove the lower trim piece (14). SPECIAL TOOL Long wedge Fig 1
14 Remove the side reinforcements (12) in the area of the center vent grille (13). SPECIAL TOOL Long wedge Fig 1
15 Remove center vent grille (13). SPECIAL TOOL Long wedge Fig 1
16 Remove brackets (18) on both sides. Model 253 with code 772 (AMG styling - Front spoiler, side skirts)
If the front bumper (1) is replaced.
IMPORTANT For this purpose, drill off blind rivet (19).
 
17 Remove the reinforcement (16) on both sides. Model 253 with code 772 (AMG styling - Front spoiler, side skirts)
If the front bumper (1) is replaced.
IMPORTANT For this purpose, unclip reinforcement (16) at catch hooks (20).
 
    SPECIAL TOOL Long wedge Fig 1
18 Remove expansion rivet (21) on both sides. Model 253 with code 772 (AMG styling - Front spoiler, side skirts)
If the front bumper (1) is replaced.
SPECIAL TOOL Long wedge
 
      Fig 1
19 Heat cover (17) in cross-hatched area on left side and on right side. Model 253 with code 772 (AMG styling - Front spoiler, side skirts)
If the front bumper (1) is replaced.
 
REFER TO SPECIAL TOOLS 000 588 00 84 00 Heat gun IMPORTANTInstallation:  Heat rear side of cover (17) in cross-hatched area. WS54.00-P-0049B
20 Remove the cover (17) on both sides. Model 205 with code 772 (AMG styling - Front spoiler, side skirts)
Model 253 with code 772 (AMG styling - Front spoiler, side skirts)
If the front bumper (1) is replaced.
IMPORTANT For this purpose, unclip reinforcement (17)
at catch hooks (22).
 
    SPECIAL TOOL Long wedge Fig 1
21 Assemble in the reverse order.    
Fig 1: Identifying Long Wedge (115 589 03 59 00)
G11128618Courtesy of MERCEDES-BENZ USA