| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Signal Driver's door contact | Driver's door jamb switch |
| | | |
| 2 | A | Engine hood signal | Underhood light switch |
| | | |
| 3 | | Not used | |
| | | |
| 4 | | Not used | |
| | | |
| 5 | A | Interior protection | Interior protection control module |
| | | |
| 6 | A | Interior protection | Touring only Control module, radio-operated passenger compartment protection |
| | | |
| 7 | A | Wiper-washer control | Touring only Intermittent wipe/wash control unit, rear |
| | | |
| 8 | A | Vehicle tilt signal | Tilt sensor |
| | | |
| 9 | | Not used | |
| | | |
| 10 | A | Trunk lid open signal | Trunk lid locking switch |
| | | |
| 11 | A | Trunk lid open signal | Trunk lid release switch (interior) |
| | | |
| 12 | A | Pressure-sensitive finger guard system signal | Left rear window pressure-sensitive finger guard |
| right-hand drive Right rear window pressure-sensitive finger guard | | |
| 13 | A | Crash signal | Supplemental restraint system control module |
| | | |
| 14 | A | Drive-away protection | Electronic drive-away protection control unit (EWS) |
| | | |
| 15 | E | Wiper control I | Wiper relay |
| | | |
| 16 | E | Wiper control II | Wiper relay |
| | | |
| 17 | A | Headlight wash control | Headlight washer module |
| | | |
| 18 | A | Intensive wash control | Headlight washer module |
| | | |
| 19 | E | LED control | Electrochromic rear view mirror |
| | | |
| 20 | A | Tilt signal | Tilt sensor |
| | | |
| 21 | E | Starter relay | Rear lid motor relay |
| | | |
| 22 | E | Relay Unlock trunk lid | Window motor relay |
| | | |
| 23 | E | Speed signal | Integrated instrument cluster control module (IKE) |
| | | |
| 24 | A | Pressure-sensitive finger guard system signal | Right rear window pressure-sensitive finger guard |
| right-hand drive Left rear window pressure-sensitive finger guard | | |
| 25 | A | Intermittent wiper voltage supply | Wiper/washer switch |
| | | |
| 26 | M | Terminal 31 | Ground splice |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | M | Terminal 31 Ground wire | Ground point |
| right-hand drive Ground splice | | |
| 2 | A | Open window signal | Left rear window motor |
| right-hand drive Right rear window motor | | |
| 3 | A | Engine Unlock trunk lid | ZV drive rear lid |
| | | |
| 4 | E | Terminal 30 | Fuse F27 |
| | | |
| 5 | A | Open window signal | Right rear window motor |
| right-hand drive Left rear window motor | | |
| 6 | A | Lock signal | Rear doors/tank access flap central locking motors |
| | | |
| 7 | | Not used | |
| | | |
| 8 | M | Terminal 31 | Ground splice |
| | | |
| 9 | A | Servotronic control | Electro-hydraulic converter (Servotronic) |
| | | |
| 10 | E | Terminal 30 | Fuse F4 |
| | | |
| 11 | A | Servotronic control | Electro-hydraulic converter (Servotronic) |
| | | |
| 12 | A | Close window signal | Left rear window motor |
| right-hand drive Right rear window motor | | |
| 13 | A | Central arrest signal | Rear doors central locking motors |
| | | |
| 14 | A | Unlock signal | Rear doors/tank access flap central locking motors |
| | | |
| 15 | A | Close window signal | Right rear window motor |
| right-hand drive Left rear window motor | | |
| 16 | | Not used | |
| | | |
| 17 | A | Horn signal | Anti-theft horn (DWA) |
| | | |
| 18 | A | Pump signal | Washer pump |
| | | |
| 19 | A | Consumer cut-off signal | Consumer cut-off splice |
| | | |
| 20 | A | Interior lights signal | Interior lights splice |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Terminal 30 | Fuse F11 |
| | | |
| 2 | E | Interior lights signal | Interior/reading lamp, front |
| | | |
| 3 | E | Windshield wash signal | Wiper/washer switch |
| | | |
| 4 | E | Windshield wipe signal 2 | Wiper/washer switch |
| | | |
| 5 | E | Windshield wipe signal 1 | Wiper/washer switch |
| | | |
| 6 | A | Signal Rear right door contact | Rear right door jamb switch |
| right-hand drive Left rear door jamb switch | | |
| 7 | A | Signal Rear left door contact | Left rear door jamb switch |
| right-hand drive Rear right door jamb switch | | |
| 8 | A | Signal Passenger's door contact | Passenger's door jamb switch |
| | | |
| 9 | E | Unlock signal | Saloon only Lift gate lock switch |
| | | |
| 10 | A | Intensive wash control | Headlight washer module |
| | | |
| 11 | E | Trunk lid closed signal | ZV drive rear lid |
| | | |
| 12 | E/A | K-bus signal line | K-bus splice |
| | | |
| 13 | E | Central locking signal | Electrochromic rear view mirror |
| | | |
| 14 | M | Ground | Ground splice |
| | | |
| 15 | E | Close window signal | LH rear power window switch |
| right-hand drive RH rear power window switch | | |
| 16 | E | Intensive wash signal | Wiper/washer switch |
| | | |
| 17 | E | Open window signal | RH rear power window switch |
| right-hand drive LH rear power window switch | | |
| 18 | E | Close window signal | RH rear power window switch |
| right-hand drive LH rear power window switch | | |
| 19 | E | Soft-close automatic unlock signal | Soft close trunk lid motor assembly |
| | | |
| 20 | E | Wipers in motion signal | Wiper motor |
| | | |
| 21 | A | Trunk lid open signal | Rear window servo opening switch |
| | | |
| 22 | E | Locked signal | Saloon only Lift gate lock switch |
| | | |
| 23 | E | Terminal R | Fuse F38 |
| | | |
| 24 | E | Close signal | Global locking switch |
| | | |
| 25 | A/E | Signal P-bus | Splice, P-bus X10134 |
| | | |
| 26 | E | Open window signal | LH rear power window switch |
| right-hand drive RH rear power window switch | | |