| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Nighttime illumination signal line | Terminal 58 splice |
| | | |
| 2 | M | Control module ground | Ground splice |
| | | |
| 3 | A | Right low beam light | Low beam light, right |
| | | |
| 4 | A | Left front turn light Tyre pressure control | Left front auxiliary turn light |
| | | |
| 5 | A | Signal, brake power-dependent brake light function (for USA only) | Tail light I left |
| | | |
| 6 | A | Left high beam light | Left high beam |
| | | |
| 7 | A | Left fog light | Left fog light |
| | | |
| 8 | E | Terminal 30 voltage supply | Fuse F107 |
| | | |
| 9 | A | Left back-up light | Trunk lid lamp, left |
| | | |
| 10 | A | Right back-up light | Trunk lid lamp, right |
| | | |
| 11 | A | Left front turn light | Left front turn signal lamp |
| | | |
| 12 | A | LH rear turn light | Tail light I right |
| | | |
| 13 | A | Signal, brake power-dependent brake light function (for USA only) | Tail light I right |
| | | |
| 14 | A | Right brake light | Tail light I right |
| | | |
| 15 | A | Left rear fog light | Trunk lid lamp, left Trailer module (AHM) |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Illumination switch | S8 Light switch |
| | | |
| 2 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| | | |
| 3 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| | | |
| 4 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| | | |
| 5 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| | | |
| 6 | | Not used | |
| | | |
| 7 | E | Hazard lights ON signal | Hazard warning flasher switch |
| | | |
| 8 | E | Rear fog light ON signal | S8 Light switch |
| | | |
| 9 | | Not used | |
| | | |
| 10 | E | Washer fluid level | Washer fluid level switch |
| | | |
| 11 | | Not used | |
| | | |
| 12 | | Not used | |
| | | |
| 13 | E | Voltage supply terminal R | Fuse F9 |
| | | |
| 14 | | Not used | |
| | | |
| 15 | E | Oil level - thermal | Engine control module (DME) Digital diesel electronics control unit |
| | | |
| 16 | E | Dimmer signal | S8 Light switch |
| | | |
| 17 | A | Right parking light | E47 Right rear light assembly I |
| | | |
| 18 | A | Left parking light | E15 Left parking light |
| | | |
| 19 | A | Hazard switch illumination | Hazard warning flasher switch |
| | | |
| 20 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| | | |
| 21 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| | | |
| 22 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| | | |
| 23 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| | | |
| 24 | E | Engine coolant level | Engine coolant level switch |
| | | |
| 25 | E | Brake light signal | Brake light switch |
| | | |
| 26 | A | Back up signal | H10 Chime module |
| | | |
| 27 | A | Headlight widening control module power | Headlight widening control module |
| | | |
| 28 | A | Back up signal | Intermittent wipe/wash control unit, rear |
| | | |
| 29 | A | 5 V signal, potentiometer 1 | S8 Light switch |
| | | |
| 30 | E | Signal Turn light | Combination switch |
| | | |
| 31 | E | Terminal 15 | Fuse F2 |
| | | |
| 32 | | Not used | |
| | | |
| 33 | E | Headlights ON signal | Light switch |
| | | |
| 34 | E | Signal Headlight widening adjustment | Light switch |
| | | |
| 35 | A | Interface AHM/LM | Trailer module (AHM) |
| | | |
| 36 | E/A | I/K-bus signal link | Connector, I/K-bus |
| | | |
| 37 | | Not used | |
| | | |
| 38 | E | Back up signal | Navigation control module |
| | | |
| 39 | E | Back up signal | Electrochromic rear view mirror |
| | | |
| 40 | | Not used | |
| | | |
| 41 | E | Brake fluid level | Brake fluid level switch |
| | | |
| 42 | | Not used | |
| | | |
| 43 | | Not used | |
| | | |
| 44 | | Not used | |
| | | |
| 45 | E | Rear fog light ON signal | Light switch |
| | | |
| 46 | | Not used | |
| | | |
| 47 | E | ABS/DSC indicator lamp | A65 ABS/DSC control module |
| | | |
| 48 | | Not used | |
| | | |
| 49 | | Not used | |
| | | |
| 50 | E | Signal High beam, headlight flash switch | Combination switch |
| | | |
| 51 | E | Park light ON signal | Light switch |
| | | |
| 52 | M | Ground for electronic components | Light switch |
| | | |
| 53 | | Not used | |
| | | |
| 54 | | Not used | |
| | | |