| E87 | Climatronic operating and display unit |
| G56 | Dash panel temperature sensor |
| G92 | Temperature flap control motor potentiometer |
| J255 | Climatronic control unit |
| L75 | Digital display illumination |
| L76 | Button illumination |
| S5 | Fuse in fuse holder |
| T6v | 6-pin connector, at temperature flap control motor |
| T16d | 16-pin connector, at climatronic control unit (black) |
| T17b | 17-pin connector, behind right dash panel (only on vehicles with Climatronic) |
| T20a | 20-pin connector, at Climatronic control unit |
| V42 | Temperature sensor blower - dash panel |
| V68 | Temperature flap control motor |
| 243 | Earth connection -1-, in Climatronic wiring harness |
| A20 | Positive connection (15a), in wiring harness behind dash panel |
| A58 | Connection (5V), in Climatronic wiring harness |
| G112 | Central flap control motor potentiometer |
| G114 | Footwell/defroster flap control motor potentiometer |
| J255 | Climatronic control unit |
| K | Dash panel insert |
| T6t | 6-pin connector, at footwell/defroster flap control motor |
| T6u | 6-pin connector, at central flap control motor |
| T12c | 12-pin connector, behind right dash panel (only on vehicles with Climatronic) |
| T12d | 12-pin connector, at Climatronic control unit |
| T16a | 16-pin connector, in glove compartment on the driver's side (diagnostic connection) |
| T16d | 16-pin connector, at climatronic control unit (black) |
| T20a | 20-pin connector, at Climatronic control unit |
| T32b | 32-pin connector, at dash panel insert (green) |
| V70 | Central flap control motor |
| V85 | Footwell/defroster flap control motor |
| 243 | Earth connection -1-, in Climatronic wiring harness |
| A58 | Connection (5V), in Climatronic wiring harness |
| A76 | Connection (diagnosis wire K), in wiring harness behind dash panel |
| G89 | Fresh air intake duct temperature sensor |
| G113 | Air flow flap control motor potentiometer |
| G192 | Vent temperature sender, footwell |
| J... | Engine control units |
| J255 | Climatronic control unit |
| T2l | 2-pin connector, at vent temperature sender, footwell |
| T2m | 2-pin connector, at fresh air intake duct temperature sensor |
| T5s | 5-pin connector, at air flow flap control motor |
| T10a | 10-pin connector, in plenum chamber (orange) |
| T12d | 12-pin connector, at Climatronic control unit |
| T16c | 16-pin connector, at climatronic control unit (brown) |
| T16d | 16-pin connector, at climatronic control unit (black) |
| T17b | 17-pin connector, behind right dash panel (only on vehicles with Climatronic) |
| T20a | 20-pin connector, at Climatronic control unit |
| V71 | Air flow flap control motor |
| 243 | Earth connection -1-, in Climatronic wiring harness |
| A58 | Connection (5V), in Climatronic wiring harness |
| G17 | Ambient temperature sensor |
| G107 | Sunlight penetration photosensor |
| G263 | Evaporator out-flow temperature sender |
| J255 | Climatronic control unit |
| T2j | 2-pin connector, at ambient temperature sensor |
| T2l | 2-pin connector, at evaporator out-flow temperature sender |
| T3d | 3-pin connector, at sunlight penetration photosensor |
| T12c | 12-pin connector, behind right dash panel (only on vehicles with Climatronic) |
| T12d | 12-pin connector, at Climatronic control unit |
| T17b | 17-pin connector, behind right dash panel (only on vehicles with Climatronic) |
| T20a | 20-pin connector, at Climatronic control unit |
| 243 | Earth connection -1-, in Climatronic wiring harness |
| 244 | Earth connection (sender earth), in wiring harness behind dash panel |
| J126 | Fresh air blower control unit |
| J255 | Climatronic control unit |
| S225 | Fuse in fuse holder |
| T2g | 2-pin connector, at fresh air blower |
| T3c | 3-pin connector, on fresh air blower control unit |
| T12d | 12-pin connector, at Climatronic control unit |
| T16c | 16-pin connector, at climatronic control unit (brown) |
| T16d | 16-pin connector, at climatronic control unit (black) |
| T17b | 17-pin connector, behind right dash panel (only on vehicles with Climatronic) |
| V2 | Fresh air blower |
| 43 | Earth point, on right A-pillar |
| 257 | Earth connection -2-, in Climatronic wiring harness |
| A4 | Positive connection (58b), in wiring harness behind dash panel |
| A40 | Positive connection (30), in wiring harness behind dash panel, left |
| A68 | Connection (30, air conditioning system), in wiring harness behind dash panel |
| L67 | Positive connection (75x), in Climatronic wiring harness |
| J... | Engine control units |
| J217 | Control unit for automatic gearbox |
| J255 | Climatronic control unit |
| K | Dash panel insert |
| T10a | 10-pin connector, in plenum chamber (orange) |
| T12c | 12-pin connector, behind right dash panel (only on vehicles with Climatronic) |
| T12d | 12-pin connector, at Climatronic control unit |
| T16c | 16-pin connector, at climatronic control unit (brown) |
| T16d | 16-pin connector, at climatronic control unit (black) |
| T17b | 17-pin connector, behind right dash panel (only on vehicles with Climatronic) |
| T32a | 32-pin connector, at dash panel insert (blue) |
| T68a | 68-pin connector, at control unit for automatic gearbox |
| 81 | Earth connection, in wiring harness behind dash panel |
| A27 | Connection (speed signal), in wiring harness behind dash panel, left |
| * | only on vehicles with automatic gearbox |
| F18 | Radiator fan thermal switch |
| J110 | Central locking control unit |
| J293 | Radiator fan control unit |
| J393 | Convenience electric central control unit |
| N25 | Air conditioning system magnetic coupling |
| T2r | 2-pin connector, for air conditioning system magnetic coupling |
| T3g | 3-pin connector, at radiator fan thermal switch |
| T3h | 3-pin connector, in the holder on the left radiator |
| T3s | 3-pin connector, in the holder on the left radiator |
| T4r | 4-pin connector, at radiator fan control unit |
| T4t | 4-pin connector, in the holder on the starter |
| T14a | 14-pin connector, at radiator fan control unit |
| T14b | 14-pin connector, on front left in engine compartment (black) |
| T15a | 15-pin connector, at central locking control unit / at convenience electric central control unit |
| V7 | Radiator fan |
| V35 | Radiator fan, right |
| 12a | Earth point -2-, below the battery on the left |
| 188 | Earth connection, in front left wiring harness |
| A49 | Connection -1-, in wiring harness behind dash panel |
| L5 | Connection -1-, in front left wiring harness |
| L6 | Connection -2-, in front left wiring harness |
| * | only for vehicles with anti-theft alarm system |
| G65 | High pressure sender |
| J220 | Motronic control unit |
| J248 | Diesel direct injection system control unit |
| J293 | Radiator fan control unit |
| J361 | Simos control unit |
| S133 | Fuse in fuse holder on the battery |
| S164 | Fuse in fuse holder on the battery |
| T3f | 3-pin connector, on the fuse holder on the battery |
| T3z | 3-pin connector, at high pressure sender |
| T4r | 4-pin connector, at radiator fan control unit |
| T10a | 10-pin connector, in plenum chamber (orange) |
| T10t | 10-pin connector, in plenum chamber (white) |
| T14a | 14-pin connector, at radiator fan control unit |
| 188 | Earth connection, in front left wiring harness |
| D50 | Positive connection (30), in front left wiring harness |
| D61 | Connection (air conditioning system), in wiring harness behind dash panel, left |
| P1 | Positive connection (30), in fuse holder on the battery |
| * | only for engine identification characters BCA, AEH, AKL |
| ** | only for engine identification characters AGR, ALH, AHF, ASV, ATD, AXR |