| A | Battery |
| D | Ignition/starter switch |
| E20 | Switch and instrument illumination regulator |
| E256 | TCS and ESP button |
| J104 | ABS control unit with EDL/TCS/ESP, on left in engine compartment |
| L71 | Traction control switch illumination |
| S9 | Fuse 9 in fuse holder |
| S178 | Fuse 6 (30), on battery fuse holder |
| S179 | Fuse 7 (30), on battery fuse holder |
| T3 | 3-pin connector |
| T6 | 6-pin connector |
| T6c | 6-pin connector |
| T47 | 47-pin connector |
| 135 | Earth connection 2, in dash panel wiring harness |
| 671 | Earth point 1, on front of left longitudinal member |
| A2 | Positive connection (15), in dash panel wiring harness |
| A4 | Positive connection (58b), in dash panel wiring harness |
| A38 | Positive connection 2 (15a), in dash panel wiring harness |
| A132 | Connection (TCS/ESP), in dash panel wiring harness |
| G85 | Steering angle sender, on steering column |
| J104 | ABS control unit with EDL/TCS/ESP, on left in engine compartment |
| J217 | Automatic gearbox control unit, centre in plenum chamber* |
| J... | Engine control units |
| N133 | Rear right ABS inlet valve |
| N134 | Rear left ABS inlet valve |
| N135 | Rear right ABS outlet valve |
| N136 | Rear left ABS outlet valve |
| T6a | 6-pin connector |
| T10d | 10-pin connector, green, in protective housing for connectors on left in plenum chamber |
| T47 | 47-pin connector |
| T68 | 68-pin connector* |
| 135 | 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 |
| * | Only models with automatic gearbox |
| G44 | Rear right speed sensor |
| G45 | Front right speed sensor |
| G46 | Rear left speed sensor |
| G47 | Front left speed sensor |
| J104 | ABS control unit with EDL/TCS/ESP, on left in engine compartment |
| N99 | Front right ABS inlet valve |
| N100 | Front right ABS outlet valve |
| N101 | Front left ABS inlet valve |
| N102 | Front left ABS outlet valve |
| N227 | Vehicle stabilisation program high-pressure valve 1 |
| N228 | Vehicle stabilisation program high-pressure valve 2 |
| T2a | 2-pin connector, near rear right speed sensor |
| T2b | 2-pin connector, near rear left speed sensor |
| T47 | 47-pin connector |
| D146 | Connection (rear left speed sensor +), in engine compartment wiring harness |
| D147 | Connection (rear left speed sensor -), in engine compartment wiring harness |
| D148 | Connection (rear right speed sensor +), in engine compartment wiring harness |
| D149 | Connection (rear right speed sensor -), in engine compartment wiring harness |
| G200 | Lateral acceleration sender, next to steering column |
| G201 | Brake pressure sender 1, on brake master cylinder |
| G202 | Yaw sender, next to steering column |
| G214 | Brake pressure sender 2, on brake master cylinder |
| J104 | ABS control unit with EDL/TCS/ESP, on left in engine compartment |
| N225 | Vehicle stabilisation program switch valve 1 |
| N226 | Vehicle stabilisation program switch valve 2 |
| T14 | 14-pin connector, on left in engine compartment |
| T47 | 47-pin connector |
| V64 | ABS hydraulic pump |
| 42 | Earth point, on steering column |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| F84 | Brake pressure solenoid trip switch |
| G251 | Longitudinal acceleration sender, on right A-pillar |
| J104 | ABS control unit with EDL/TCS/ESP, on left in engine compartment |
| J503 | Control unit with display for radio and navigation system |
| N247 | Brake pressure solenoid valve, in brake servo |
| T5 | 5-pin connector, in rear of engine compartment |
| T14 | 14-pin connector, on left in engine compartment |
| T26 | 26-pin connector |
| T47 | 47-pin connector |
| A133 | Connection (left ABS impulse), in dash panel wiring harness |
| A134 | Connection (right ABS impulse), in dash panel wiring harness |
| ** | Only models with navigation |
| *** | Only models with all-wheel drive |
| F | Brake light switch |
| F9 | Handbrake warning switch |
| F34 | Brake fluid level warning contact |
| J104 | ABS control unit with EDL/TCS/ESP, on left in engine compartment |
| J508 | Brake light suppression relay, on additional relay carrier above relay plate |
| M21 | Left brake and tail light bulb |
| T5h | 5-pin connector, near lower part of left A-pillar, wound into wiring harness |
| T5i | 5-pin connector, near lower part of left A-pillar, wound into wiring harness |
| T16 | 16-pin connector, centre in dash panel, self-diagnosis connection |
| T47 | 47-pin connector |
| 135 | Earth connection 2, in dash panel wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A18 | Connection (54), in dash panel wiring harness |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
| A89 | Connection 2 (54), in dash panel wiring harness |
| A115 | Connection (handbrake warning), in dash panel wiring harness |
| W1 | Positive connection (54), in interior light wiring harness |
| *** | Only models with all-wheel drive |
| J217 | Automatic gearbox control unit* |
| J285 | Control unit with display in dash panel insert |
| K14 | Handbrake warning lamp |
| K47 | ABS warning lamp |
| K118 | Brake system warning lamp |
| K155 | TCS and ESP warning lamp |
| S15 | Fuse 15 in fuse holder |
| T10g | 10-pin connector, grey, in protective housing for connectors on left in plenum chamber |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| T68 | 68-pin connector* |
| 501 | Screw connection 2 (30), on relay plate |
| A52 | Positive connection (30a), in dash panel wiring harness |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
| * | Only models with automatic gearbox |
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