Disassemble/Assemble Front Bumper - AR88.20-P-2050WM
Model 172.4
as of model year 2017
| Disassemble/assemble | |||
| 1 | Remove front bumper (1) | AR88.20-P-2000W | |
| 2 | Remove radiator trim (2) | AR88.40-P-4001WM | |
| 3 | Disconnect electrical connectors from front PARKTRONIC system sensors | Model 172.4 as of model year 2017 with code 230 (Advanced Parking Guidance) |
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| 4 | Unclip wiring harness from basic carriers (13) and remove | ||
| 5 | Unclip reinforcements (10) and remove | Fig 3 | |
| 6 | Unclip side covers (11) and remove | Fig 3 | |
| 7 | Remove radar sensor | Model 172.4 as of model year 2017 with code 258 (COLLISION PREVENTION ASSIST PLUS) |
AR30.30-P-1210W |
| 8 | Unclip basic carriers (13) and remove | Fig 3 | |
| 9 | Unclip spoiler lip (9) and remove | Fig 3 | |
| 10 | Unclip air grille (8) and remove | Fig 3 | |
| 11 | Unclip side cover grill (5) and remove | Fig 3 | |
| 12 | Unclip trim pieces (14) and remove | Model 172.4 as of model year 2017 with code 772 (AMG styling package - front spoiler, side skirts and rear apron) When replacing cover grills (5). |
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| Fig 3 | |||
| 13 | Remove PARKTRONIC system from side cover grills (5) | Model 172.4 as of model year 2017 with code 230 (Advanced Parking Guidance) with code 772 (AMG styling package - front spoiler, side skirts and rear apron) When replacing cover grills (5). |
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| 14 | Remove license plate and license plate brackets | ||
| 15 | Unclip trim piece (7) and remove | Model 172.4 as of model year 2017 with code 772 (AMG styling package - front spoiler, side skirts and rear apron) |
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| Fig 3 | |||
| 16 | Unclip trim pieces (6) and remove | Model 172.4 as of model year 2017 with code 772 (AMG styling package - front spoiler, side skirts and rear apron) |
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| Fig 3 | |||
| 17 | Remove tow hook cover | ||
| 18 | Remove PARKTRONIC system sensors | Model 172.4 as of model year 2017 with code 230 (Advanced Parking Guidance) |
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| 19 | Remove Mercedes star (4) | When replacing front bumper (1). |
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| 20 | Assemble in the reverse order |