| D | Ignition/starter switch |
| E264 | Telematics operating unit |
| J... | Engine control unit |
| J285 | Control unit with display in dash panel insert |
| J503 | Control unit with display for radio and navigation |
| S237 | Fuse in fuse holder |
| T6n | 6-pin connector, red, on protective housing, left in engine compartment |
| T8 | 8-pin connector, black |
| T10v | 10-pin connector, black, on telematic operating unit |
| T20 | 20-pin connector |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| 45 | Earth point, behind dash panel - centre |
| 501 | Screw connection -2- (30), on relay plate |
| A19 | Connection (58d), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| A60 | Connection (road speed signal), in dash panel wiring harness |
| E264 | Telematics operating unit |
| J285 | Control unit with display in dash panel insert |
| J414 | Navigation display unit |
| J499 | Telematics control unit |
| J503 | Control unit with display for radio and navigation |
| R50 | Navigation aerial (GPS) |
| R51 | Radio/telephone/auxiliary heater aerial |
| R87 | Aerial filter, near roof aerial |
| T1 | Single connector, near roof aerial |
| T1a | Single connector, near roof aerial |
| T1b | Single connector, near roof aerial |
| T10v | 10-pin connector, black, on telematic operating unit |
| T20a | 20-pin connector, on control unit with display in dash panel insert |
| E264 | Telematics operating unit |
| J234 | Airbag control unit |
| J393 | Convenience system central control unit |
| J499 | Telematics control unit |
| T1c | Single connector |
| T1d | Single connector, crash signal, right A-pillar |
| T6 | 6-pin connector, black, on telematics operating unit |
| T10a | 10-pin connector, black, on telematic operating unit |
| T10b | 10-pin connector, light green, coupling station right A-pillar |
| T12 | 12-pin connector, black, on telematics operating unit |
| J412 | Mobile phone operating electronics control unit, in the console, near handbrake lever, not installed with radio preparation |
| J499 | Telematics control unit, left in luggage compartment |
| R54 | Mobile telephone, not with telephone preparation |
| S10 | Fuse in relay plate fuse box |
| T4 | 4-pin connector, black |
| T10b | 10-pin connector, light green, coupling station right A-pillar |
| T10u | 10-pin connector, orange, coupling station right A-pillar |
| T12 | 12-pin connector |
| T13a | 13-pin connector, on operating electronics/telephone control unit |
| T13b | 13-pin connector, on handy |
| T18 | 18-pin connector, (VDA connector) on operating electronics/telephone control unit, with preparation for telephone the connector is under the console, near handbrake lever |
| 32 | Earth point, behind dash panel, left |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A17 | Connection (61), in dash panel wiring harness |
| A52 | Positive connection -2- (30), in dash panel wiring harness |
| A98 | Positive connection-4- (30), in dash panel wiring harness |