Remove/install front bumper

AR88.20-P-2000GQ

Remove/install front bumper

30.11.2015

Model

166

1

Cover

2

Expansion rivet

3

Electrical connectors

4a

Screw

4b

Screw

4c

Screw

5

Screw

 Danger !

Risk of injury from engine start by remote start function

Prior to starting work, open engine hood, do not reach into rotation range or hazard area of freely rotating parts, wear closed and snug-fitting work clothes

AS00.00-Z-0024-01A



Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A



General information on the impact absorber

AH88.20-P-1000-01A

 

Remove/install

1

Disconnect battery ground cable

Model 166
with code U60 (Active Bonnet (Pedestrian protection))

AR54.10-P-0003GZ

2

Open engine hood

AR88.40-P-1000GQ

3

Remove cover (1)

4

Remove expansion rivets (2)

 Clip remover

*452589016300

5

Detach left and right front section on fender liner in area of bumper

AR88.10-P-1310GQ

 Clip remover

*452589016300

6

Unscrew bolt (5) on right and left inner fender flare

Model 166.874

7

Unscrew bolts from underfloor paneling on front bumper

AR61.30-P-1001GQ

8

Detach electrical connections (3)

 The number of electrical connectors (3) differs depending on the vehicle equipment.

9

Unclip hose for AIRMATIC on right side

Model 166
with code 489 (AIRMATIC)

10

Loosen left and right bolt (4a)

11

Loosen left and right bolt (4b)

Model 166.8

12

Loosen left and right bolt (4c)

13

Unhook bumper at sides and remove toward front

 Removal:
Carefully unhook front bumper.
Otherwise the retaining lugs on the front bumper can be damaged.

 Helper required.

14

Install in the reverse order



Check

15

Check front bumper pedestrian protection sensor

Model 166
as of model year 2016
with code U60 (Active Bonnet (Pedestrian protection))



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

16

Adjust bumper

AR60.00-P-0700-01GQ

Gap dimension

*BE60.00-P-1002-01Z

Gap dimension

*BE60.00-P-1001-01Z

 Feeler gauge

*129589032100

17

Switch on ignition and PARKTRONIC, engage reverse gear and release parking brake

Model 166
with code 220 (PARKTRONIC)
Model 166
with code 235 (Active Parking Assist with PARKTRONIC)

18

Check PARKTRONIC operating state

Model 166
with code 220 (PARKTRONIC)
Model 166
with code 235 (Active Parking Assist with PARKTRONIC)

 PARKTRONIC automatically performs a self-test and operational readiness is signaled via the warning indicator.

19

Calibrate 360° camera with diagnostic system

Model 166
with code 501 (360° camera)



AD00.00-P-2000-04A

Test and adjustment values for gap dimensions

Number

Designation

Model 166

BE60.00-P-1001-01Z

Gap dimension

Engine hood to fender

Dimension "A"

mm

3,8 (1)

Engine hood to headlamp

Dimension "B"

mm

3,9 (1)

Engine hood to bumper

Dimension "C"

mm

5,4 (1,5)

Fender to A-pillar

Dimension "D"

mm

3,5 (1)

Front door to fender

Dimension "E"

mm

4,3 (0,7)

Front door to rear door

Dimension "F"

mm

4,8 (0,7)

Rear door to rear fender

Dimension "I"

mm

4,3 (0,7)

For picture, see

AR60.00-P-0700-01GQ

Test and adjustment values for gap dimensions

Number

Designation

Model 166

BE60.00-P-1002-01Z

Gap dimension

Bumper to headlamp

Dimension "S1"

mm

3,0 (0,5)

Dimension "S2"

mm

3,0 (0,5)

Dimension "S3"

mm

3,0 (0,5)

Fender to headlamp

Dimension "R"

mm

3,9 (1)

Engine hood to A-pillar

Dimension "Q"

mm

3,5 (1)

For picture, see

AR60.00-P-0700-01GQ