| C20 | Solar cells |
| G56 | Dash panel temperature sensor |
| J126 | Fresh air blower control unit |
| J255 | Climatronic control unit |
| J309 | Solar cell isolation relay |
| J355 | Solar operation control unit |
| S225 | Fuse in fuse box |
| T2s | 2-pin connector, black |
| T6 | 6-pin connector, brown, on fresh air blower control unit |
| T16a | 16-pin connector, black |
| T16b | 16-pin connector, brown |
| V2 | Fresh air blower |
| V42 | Temperature sensor blower |
| 32 | Earth point, on left behind dash panel |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 503 | Screw connection (75x), on relay plate |
| A36 | Connection (75a), in dash panel wiring harness |
| A138 | Connection -2-, in dash panel wiring harness |
| * | Only models with solar roof |
| G112 | Control motor potentiometer, central flap |
| G114 | Control motor potentiometer, footwell/defroster flap |
| J255 | Climatronic control unit |
| T6a | 6-pin connector, black, behind dash panel, centre |
| T6b | 6-pin connector, blue, behind dash panel, centre |
| T16a | 16-pin connector, black |
| T20 | 20-pin connector, red |
| V70 | Central flap control motor |
| V85 | Footwell/defroster flap control motor |
| 199 | Earth connection -3-, in dash panel wiring harness |
| A58 | Connection (5 volt), in instruments wiring harness |
| G89 | Fresh air intake duct temperature sensor |
| G107 | Sunlight penetration photosensor |
| G191 | Vent temperature sender, centre |
| G192 | Vent temperature sender, footwell |
| G263 | Evaporator outflow temperature sender |
| J255 | Climatronic control unit |
| T4a | 4-pin connector, black |
| T12 | 12-pin connector, black |
| T16b | 16-pin connector, brown |
| T20 | 20-pin connector, red |
| 199 | Earth connection -3-, in dash panel wiring harness |
| A58 | Connection (5 volt), in instruments wiring harness |
| G17 | Ambient temperature sensor |
| J31 | Automatic intermittent wash/wipe relay |
| J255 | Climatronic control unit |
| J285 | Control unit with display in dash panel insert |
| J533 | Data bus diagnostic interface |
| S15 | Fuse in fuse box/relay plate |
| T2b | 2-pin connector |
| T12 | 12-pin connector, black |
| T15k | 15-pin connector, grey, coupling station left A-pillar |
| T16 | 16-pin connector, near handbrake lever, self-diagnosis connection |
| T16a | 16-pin connector, black |
| T16b | 16-pin connector, brown |
| T20 | 20-pin connector, red |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A1 | Positive (+) connection (30a), in dash panel wiring harness |
| A49 | Connection -1-, in dash panel wiring harness |
| A73 | Connection (ambient temperature display), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
| A147 | Connection (convenience CAN bus, low), in dash panel wiring harness |
| A156 | Connection (53c), in dash panel wiring harness |
| D | Ignition/starter switch |
| E87 | Control and display unit for air conditioner/Climatronic |
| G65 | High pressure sender |
| J255 | Climatronic control unit |
| L75 | Digital display illumination |
| L76 | Button illumination |
| N279 | Coolant shut-off valve, heater ** |
| N280 | Compressor regulating valve, air conditioning system |
| S5 | Fuse in fuse box/relay plate |
| S282 | Engine electronics fuse |
| T3k | 3-pin connector, grey, coupling station left A-pillar |
| T10e | 10-pin connector, orange, on protective housing for control units, on left in engine compartment |
| T15s | 15-pin connector, red, on control unit protective housing, left in engine compartment, |
| T16a | 16-pin connector, black |
| T16b | 16-pin connector, brown |
| T20 | 20-pin connector, red |
| 28 | Earth point, on bulkhead |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| * | Only models with solar roof |
| ** | Discontinued from May 2002 |
| J220 | Motronic control unit |
| J293 | Radiator fan control unit |
| J671 | Radiator fan control unit -2- |
| S42 | Radiator fan single fuse |
| S142 | Radiator fan control unit fuse |
| S229 | Fuse in fuse box |
| T2o | 2-pin connector |
| T2p | 2-pin connector |
| T2q | 2-pin connector, in engine compartment, front left |
| T3k | 3-pin connector, grey, coupling station left A-pillar |
| T4p | 4-pin connector |
| T6p | 6-pin connector |
| T15a | 15-pin connector, white, on protective housing for control units, on left in engine compartment |
| T15k | 15-pin connector, grey, coupling station left A-pillar |
| T121 | 121-pin connector, on Motronic control unit |
| V7 | Radiator fan |
| V177 | Radiator fan -2- |
| 30 | Earth point -1-, next to relay plate |
| 127 | Earth connection -1-, in air conditioner compressor wiring harness |
| 500 | Screw connection -1- (30), on relay plate |
| L9 | Connection -1-, in air conditioner wiring harness |
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