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(Remove/Install Front Bumper - AR88.20-P-2000GQC)

Model 292 

G14138002Courtesy of MERCEDES-BENZ USA
G14138003Courtesy of MERCEDES-BENZ USA
NOTES General information on the impact absorber   AH88.20-P-1000-01A 
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Disconnect battery ground cable Model 292 with code U60 (Active Bonnet (Pedestrian protection)) AR54.10-P-0003GZ
2 Open engine hood    
3 Remove cover (1)    
4 Remove expansion rivet (2) SPECIAL TOOL Clip remover Fig 3
5 Detach left and right front section on fender liner in area of front bumper   AR88.10-P-1310GQ 
    SPECIAL TOOL Clip remover Fig 3
6 Unscrew bolts on underfloor paneling from front bumper   AR61.30-P-1001GQ
7 Disconnect electrical connectors (3) IMPORTANT The number of electrical connectors (3) varies depending on the vehicle equipment.  
8 Unclip hose for AIRMATIC on right side Model 292 with code 489 (AIRMATIC)  
9 Unclip lower bumper paneling (6) on left and right and detach SPECIAL TOOL Long wedge Fig 2
10 Unclip upper bumper paneling (7) on left and right and detach IMPORTANT The upper bumper paneling (7) can only be unclipped up to the fender.  
    SPECIAL TOOL Long wedge Fig 2
11 Remove lower bumper paneling (6) on left and right from guide of upper bumper paneling (7)    
12 Detach left and right bolt (4a)    
13 Loosen left and right bolt (4b)    
14 Unhook front bumper at sides and remove toward front NOTES
Carefully unhook front bumper.
Otherwise the retaining lugs on the bumper can be damaged.
IMPORTANT Helper required.
 
15 Install in the reverse order    
INSPECT Check     
16 Check front bumper pedestrian protection sensor Model 292 with code U60 (Active Bonnet (Pedestrian protection))  
NOTES Notes on pedestrian protection sensor   AH91.60-P-0001-01A
    Check freely visible points for damage of any kind (cracks, holes, breakovers, etc.) when installed

If damage is visible, always replace pedestrian sensor
 
    Remove/install  pedestrian protection sensor AR91.60-P-0950GQC
17 Check front bumper and adjust if necessary   AR60.00-P-0700-01GQ
    Gap dimension *BE60.00-P-1002-01Z 
    Gap dimension *BE60.00-P-1001-01Z 
    SPECIAL TOOL Feeler gauge Fig 1
  Concluding tasks     
18 Check PARKTRONIC operating state Model 292 with code 235 (Active Parking Assist)
IMPORTANT Switch on ignition and PARKTRONIC, engage reverse gear and release parking brake. PARKTRONIC automatically performs a self-test and operational readiness is signaled via the warning indicator.
 
19 Calibrate 360° camera with diagnostic system Model 292 with code 501 (360° camera)  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
TEST AND ADJUSTMENT VALUES FOR GAP DIMENSIONS

Number Designation Model 292
BE60.00-P-1001-01Z Gap dimension Engine hood to fender Dimension "A" mm 3, 0 (±0, 5)
Engine hood to headlamp Dimension "B" mm 3, 5 (±1)
Engine hood to bumper Dimension "C" mm 4, 5 (±1, 5)
Fender to A-pillar Dimension "D" mm 3, 0 (±0, 5)
Front door to fender Dimension "E" mm 4, 0 (+1/-0, 5)
Front door to rear door Dimension "F" mm 4, 5 (+1/-0, 5)
Rear door to rear fender Dimension "I" mm 3, 5 (+1/-0, 5)
For picture, see AR60.00-P-0700-01GQ
TEST AND ADJUSTMENT VALUES FOR GAP DIMENSIONS

Number Designation Model 292
BE60.00-P-1002-01Z Gap dimension Bumper to headlamp Dimension "S1" mm 2, 0 (±1)
Dimension "S2" mm 2, 0 (±1)
Dimension "S3" mm 3, 0 (±1)
Fender to headlamp Dimension "R" mm 3, 0 (±1)
Engine hood to A-pillar Dimension "Q" mm 4, 0 (+1, 5/-1, 0)
For picture, see AR60.00-P-0700-01GQ
Fig 1: Identifying Feeler Gauge (129 589 03 21 00)
G07469060Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Long Wedge (115 589 03 59 00)
G07070400Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Clip Remover (452 589 01 63 00)
G07304504Courtesy of MERCEDES-BENZ USA