Remove/Install Active Brake Assist Electric Controller Unit - AR54.21-P-0700LWM
Model 205
as of model year 2019
with code 258 (COLLISION PREVENTION ASSIST PLUS)
Shown with CODE P23 (EXCLUSIVE Exterior)
Fig 1: Active Brake Assist Electric Controller Unit Component Location - Model 205 As Of Model Year 2019 With Code 258 (Shown With Code P23)
Shown except code P23 (EXCLUSIVE exterior)
| Topical note | Notes on preventing damage to electronic components due to a magnetic tool | AH54.00-P-0002-01A | |
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Remove/install | |||
| 1 | Commission Active Brake Assist controller unit (A108). | When replacing Active Brake Assist controller unit (A108). | |
| AD00.00-P-2000-04B | |||
| 2.1 | Remove front bumper. | Model 205 as of model year 2019 with code 258 (COLLISION PREVENTION ASSIST PLUS) with code P23 (EXCLUSIVE exterior) | AR88.20-P-2000LW |
| 2.2 | Remove Mercedes star. | Model 205 as of model year 2019 with code 258 (COLLISION PREVENTION ASSIST PLUS) with code 772 (AMG styling package - front spoiler, side skirts and rear apron) except code P23 (EXCLUSIVE exterior) Model 205 as of model year 2019 with code 258 (COLLISION PREVENTION ASSIST PLUS) with code P15 (AVANTGARDE exterior) except code P23 (EXCLUSIVE exterior) Model 205 as of model year 2019 with code 258 (COLLISION PREVENTION ASSIST PLUS) with code P76 (Standard exterior equipment and appointments) except code P23 (EXCLUSIVE exterior) |
AR88.40-P-4050LW |
| 3.1 | Remove impact absorber from front bumper. | Model 205 as of model year 2019 with code 258 (COLLISION PREVENTION ASSIST PLUS) with code P23 (EXCLUSIVE exterior) except code U60 (Active Bonnet (Pedestrian protection)) | |
| Topical note | General information on the impact absorber | AH88.20-P-1000-01A | |
| 3.2 | Remove pedestrian protection sensors together with impact absorber from front bumper. | Model 205 as of model year 2019 with code 258 (COLLISION PREVENTION ASSIST PLUS) with code P23 (EXCLUSIVE exterior) with code U60 (Active Bonnet (Pedestrian protection)) | AR91.60-P-0950LW |
| 4 | Disconnect electrical connector (1). | ||
| 5 | Remove Active Brake Assist controller unit (A108). | ||
| 6 | Install in the reverse order. | ||
| 7 | Perform test drive and adjust the Active Brake Assist controller unit (A108) by doing so. |