Remove/Install Trailer Recognition Control Unit - AR31.19-P-1300LWM
Model 205.0/2/3
as of model year 2019
with code 550 (Trailer coupling)
Fig 1: Trailer Recognition Control Unit Component Location - Model 205.0/3 As Of Model Year 2019 With Code 550 (Shown On Model 205.054)
Shown on model 205.054
Shown on model 205.013
| Risk of injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. | No parts of the body or limbs should be within the operating area when the components are moving. | AS00.00-Z-0011-01A | |
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Notes on HANDS-FREE ACCESS | AH80.61-P-0001-01A | ||
| Remove/install | |||
| 1 | Carry out commissioning of trailer recognition control unit (N28/1). | When replacing the trailer recognition control unit (N28/1). | |
| AD00.00-P-2000-04B | |||
| 2 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m). | ||
| 3 | Remove trunk recess/load compartment well trim. | Model 205.0/2/3 as of model year 2019 with code 550 (Trailer coupling) | |
| Model 205.0/3 as of model year 2019 with code 550 (Trailer coupling) | AR68.30-P-4600LW | ||
| 4 | Remove screw (1) at holder (2). | Model 205.0 (except 205.013/053), 205.2 (except 205.213/253), 205.3 as of model year 2019 with code 550 (Trailer coupling) | |
| 5 | Guide out holder (2) with rear passenger compartment fuse and relay module (K40/5) and place to one side with connected lines. | Model 205.0 (except 205.013/053), 205.2 (except 205.213/253), 205.3 as of model year 2019 with code 550 (Trailer coupling) | |
| 6 | Carefully push in catch hooks (5) and guide out trailer recognition control unit (N28/1) upwards (arrows). | Model 205.0 (except 205.013/053), 205.2 (except 205.213/253), 205.3 as of model year 2019 with code 550 (Trailer coupling) | |
| 7 | Unscrew nuts (6) from carrier (7) and remove trailer recognition control unit (N28/1). | Model 205.013/053 as of model year 2019 with code 550 (Trailer coupling) Model 205.213/253 as of model year 2019 with code 550 (Trailer coupling) |
|
| 8 | Disconnect electrical connectors (4) at trailer recognition control unit (N28/1). | ||
| 9 | Install in the reverse order. | ||
| Check | |||
| 10 | Carry out function test of ball neck and of lighting signals to the trailer socket. |