| A | Battery (00532) |
| D | Ignition/start-up switch |
| E256 | TCS/ESP button |
| F | Brake light switch (00526-2131) |
| J104 | ABS with EDL control unit |
| L71 | Traction control system switch bulb |
| S9 | Fuses in fuse box/relay plate |
| S178 | Fuse -6- (30) in fuse box/battery |
| S179 | Fuse -7- (30) in fuse box/battery |
| T3 | 3-pin connector, in battery |
| T4u | 4-pin connector, in central console |
| T47 | 47-pin connector |
| 12 | Earth point in engine compartment, to left |
| A2 | Positive connection (15), in dash panel wiring harness |
| A38 | Positive connection -2- (15a), in dash panel wiring harness |
| A132 | Connection (TCS/ESP), in dash panel wiring harness |
| W1 | Positive connection -1- (54) in rear wiring harness |
| * | Only vehicles with ESP |
| ** | Only vehicles with TCS |
| G85 | Steering angle sender (00778-3132) |
| J... | Engine control units |
| J104 | ABS with EDL control unit |
| J217 | Automatic gearbox control unit |
| N133 | ABS inlet valve, rear right (00273-1211) |
| N134 | ABS inlet valve, rear left (00274-1212) |
| N135 | ABS outlet valve, rear right (00274-1213) |
| N136 | ABS outlet valve, rear left (00276-1214) |
| T6o | 6-pin connector, next to steering column |
| T10d | 10-pin connector, green, in protective housing for connectors, in plenum chamber, left side |
| T47 | 47-pin connector |
| T68 | 68-pin connector |
| A121 | Connection (High-Bus), in dash panel wiring harness |
| A122 | Connection (Low-Bus), in dash panel wiring harness |
| * | Vehicles with automatic gearbox only |
| ** | Four-wheel drive vehicles only |
| G45 | Wheel speed sensor, rear right (00285-1241) |
| G47 | Wheel speed sensor, rear left (00283-1233) |
| J104 | ABS with EDL control unit |
| N99 | ABS inlet valve, front right (00259-1114) |
| N100 | ABS outlet valve, front right (00267-1134) |
| N101 | ABS inlet valve, front left (00257-1112) |
| N102 | ABS outlet valve, front left (00265-1132) |
| N227 | Electronic stabilisation program switch valve -1- (01420) |
| N228 | Electronic stabilisation program switch valve -2- (01421) |
| T2d | 2-pin connector, in ABS sensor, front left |
| T2e | 2-pin connector, in ABS sensor, front right |
| T47 | 47-pin connector |
| 12 | Earth point in engine compartment, to left |
| * | Vehicles with brake pad wear control only |
| G44 | Wheel speed sensor, rear right (00287-1243) |
| G46 | Wheel speed sensor, rear left (00290-1311) |
| G200 | Lateral acceleration sender (01423) |
| G202 | Yaw rate sender (01542) |
| G214 | Braking pressure sender -2- (00813) |
| J104 | ABS with EDL control unit |
| N225 | Electronic stability program switch valve -1- (01418) |
| N226 | Electronic stability program switch valve -2- (01419) |
| V64 | ABS hydraulic pump (01276-4133) |
| T2f | 2-pin connector, in rear left ABS sensor |
| T2g | 2-pin connector, in rear right ABS 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 |
| J3 | Connection -1- in ABS wiring harness |
| J5 | Connection -2-, in ABS wiring harness |
| G251 | Longitudinal acceleration sender (01279) |
| J104 | ABS with EDL control unit |
| J503 | Control unit with display for radio and navigation (00464) |
| T16 | 16-pin connector, self-diagnosis |
| T26 | 26-pin connector |
| T47 | 47-pin connector |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A133 | Connection (ABS pulse left), in dash panel wiring harness |
| A134 | Connection (ABS pulse right), in dash panel wiring harness |
| * | Vehicles with navigation system only |
| ** | Four-wheel drive vehicles only |
| E3 | Hazard warning light switch |
| F9 | Handbrake warning switch (01114) |
| F34 | Brake fluid level switch |
| J217 | Automatic gearbox control unit |
| J285 | Control unit with display in dash panel insert (01317) |
| K18 | Trailer towing warning lamp |
| K47 | ABS warning lamp |
| K118 | Brake system warning lamp |
| S15 | Fuses in relay plate/fuse box |
| T7 | 7-pin connector, in central console |
| T10g | 10-pin connector, grey, in protective housing for connectors, in plenum chamber, left side |
| T32 | 32-pin connector, blue, in dash panel insert |
| T32a | 32-pin connector, green, in dash panel insert |
| T68 | 68-pin connector |
| 12 | Earth point in engine compartment, to left |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| 501 | Bolted connection -2- (30), on relay plate |
| A52 | Positive connection -2- (30), in wiring harness dash panel |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A115 | Connection (hand brake warning), in dash panel wiring harness |
| * | Vehicles with automatic gearbox only |
| G34 | Brake lining/pad wear sender, front |
| J... | Engine control units |
| J255 | Climatronic control unit (01320) |
| J285 | Control unit with display in dash panel insert (01317) |
| K32 | Brake lining/pad wear warning lamp (01046) |
| K155 | Stability Program Warning Lamp |
| T10 | 10-pin connector, orange on connector protective housing, in plenum chamber, left side |
| T12d | 12-pin connector, in Climatronic |
| T20a | 20-pin connector, in Climatronic |
| T32a | 32-pin connector, green, in dash panel insert |
| 33 | Earth point, behind dash panel, to right |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| D53 | Connection (brake pad wear indicator, right side) in engine compartment wiring harness |
| D54 | Connection (brake pad wear indicator, right side) in engine compartment wiring harness |
| * | Vehicles with brake pad wear control only |
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