Steering column module component description - GF54.21-P-6050RT

MODEL 251.0/1 up to Model Year 8

Fig 1: Identifying Steering Column Module Component

Courtesy of MERCEDES-BENZ USA

The steering column module is located on the steering column in the vehicle interior.

Tasks

Data exchange with Controller Area Network bus Class C (engine compartment) (CAN C) and local interconnect network (LIN)

Scanning

Combination switch (S4)
- Turn signal switch (turn signal/one-touch turn signaling)
- Front windshield wipe/touch wiping-/wash/wipe switch
- Rear windshield wipe/wash switch
- High beam/headlamp flasher
Steering column adjustment up/down, in/out switch (S59/1s1) (electrically adjustable steering column (code 441)
- Steering column in/out and up/down
DIRECT SELECT gear selector switch (S16/13) "operated in vertical direction (drive positions)"
- R - Reverse
- N - Upwards - neutral
- 0 - Park position
- N - Downwards - neutral
- D - Forwards
DIRECT SELECT gear selector switch "operated in axial direction"
- P - Engage park pawl
Steering angle sensor (N49)
Multifunction steering wheel (is read in via LIN)
- Left multifunction steering wheel button group (S110)
  - Scroll forward/back button (S110s1)
  - System selection button (S110s3)
  - Fanfare horn system button (S110s5)
- Right multifunction steering wheel button group (S111)
  - Button + and -, adjustment of specific functions and volume control (S111s1)
  - Accept/terminate phone call button (S111s3)
  - Fanfare horn system button (S111s5)

The steering column module has the following direct inputs:

The steering column module has the following direct outputs: