| D | Ignition/starter switch |
| F | Brake light switch |
| F47 | Brake pedal switch |
| J519 | Onboard supply control unit |
| SB4 | Fuse 4 on fuse holder B |
| SB23 | Fuse 23 on fuse holder B |
| SB27 | Fuse 27 on fuse holder B |
| SB32 | Fuse 32 on fuse holder B |
| T3a | 3-pin connector, grey, on right of bulkhead |
| A2 | Positive connection (15), in dash panel wiring harness |
| A15 | Positive connection (15), in instrument wiring harness |
| A89 | Connection 2 (54) in dash panel wiring harness |
| A100 | Connection 2 (87) in dash panel wiring harness |
| A104 | Positive connection 2 (15), in dash panel wiring harness |
| B170 | Positive connection 2 (30), in interior wiring harness |
| * | ⇒ applicable engine Current Flow Diagram |
| ** | Only models with ESP |
| *** | Only models with ABS and TCS |
| A | Battery |
| J104 | ABS control unit |
| J519 | Onboard supply control unit |
| S176 | Fuse 4 (30), in battery fuse holder |
| S179 | Fuse 7 (30), in battery fuse holder |
| S268 | Fuse 10 (30), in battery fuse holder |
| T11c | 11-pin connector, blue, on right of bulkhead |
| T38 | 38-pin connector |
| A89 | Connection 2 (54) in dash panel wiring harness |
| D73 | Positive connection (54), in engine compartment wiring harness |
| D101 | Connection 1, in engine compartment wiring harness |
| G44 | Rear right speed sensor |
| G45 | Front right speed sensor |
| G46 | Rear left speed sensor |
| G47 | Front left speed sensor |
| J104 | ABS control unit |
| J503 | Control unit with display for radio and navigation |
| J519 | Onboard supply control unit |
| N99 | Front right ABS inlet valve |
| N100 | Front right ABS outlet valve |
| N101 | Front left ABS inlet valve |
| N102 | Front left ABS outlet valve |
| N133 | Rear right ABS inlet valve |
| N134 | Rear left ABS inlet valve |
| N135 | Rear right ABS outlet valve |
| N136 | Rear left ABS outlet valve |
| T8 | 8-pin connector |
| T8x | 8-pin connector, orange, on right of bulkhead |
| T9a | 9-pin connector, yellow, on right of bulkhead |
| T38 | 38-pin connector |
| J3 | Connection 1, in ABS wiring harness |
| J5 | Connection 2, in ABS wiring harness |
| J7 | Connection 3, in ABS wiring harness |
| J8 | Connection 4, in ABS wiring harness |
| * | Only models with navigation system |
| G200 | Lateral acceleration sender |
| G202 | Yaw rate sender |
| G419 | ESP sensor unit |
| J104 | ABS control unit |
| J106 | ABS solenoid valve relay |
| J519 | Onboard supply control unit |
| N225 | Vehicle stabilization program switch valve 1 |
| N226 | Vehicle stabilization program switch valve 2 |
| N227 | Vehicle stabilization program high-pressure valve 1 |
| N228 | Vehicle stabilization program high-pressure valve 2 |
| T9a | 9-pin connector, yellow, on right of bulkhead |
| T38 | 38-pin connector |
| V39 | ABS return flow pump |
| 42 | Earth point, next to steering column |
| 110 | Earth connection 2, in dash panel wiring harness |
| 199 | Earth connection 3, in dash panel wiring harness |
| 439 | Earth connection 3, in dash panel wiring harness |
| 606 | Earth point, under the centre console near gear stick |
| 614 | Earth point 2, on right in engine compartment |
| * | Only models with ESP |
| E20 | Switch and instrument illumination regulator |
| E132 | Traction control system switch |
| E256 | TCS and ESP button |
| E492 | Tyre pressure monitor display button |
| J104 | ABS control unit |
| J519 | Onboard supply control unit |
| L71 | Traction control switch illumination bulb |
| L76 | Button illumination bulb |
| T8x | 8-pin connector, orange, on right of bulkhead |
| T9a | 9-pin connector, yellow, on right of bulkhead |
| T38 | 38-pin connector |
| 110 | Earth connection 2, in dash panel wiring harness |
| A4 | Positive connection (58b), in dash panel wiring harness |
| A140 | Connection (TCS), in dash panel wiring harness |
| * | Depending on vehicle equipment |
| G85 | Steering angle sender |
| J104 | ABS control unit |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K47 | ABS warning lamp |
| K155 | ESP and TCS warning lamp |
| K220 | Tyre pressure monitor warning lamp |
| T8c | 8-pin connector |
| T9a | 9-pin connector, yellow, on right of bulkhead |
| T11a | 11-pin connector, white, on right of bulkhead |
| T16a | 16-pin connector, black |
| T32a | 32-pin connector |
| T38 | 38-pin connector |
| T41 | 41-pin connector |
| 110 | Earth connection 2, in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| A132 | Connection (TCS/ESP), in dash panel wiring harness |
| A140 | Connection (TCS), in dash panel wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| ** | Only models with ESP |
| *** | Only models with ABS and TCS |
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