| A | Battery |
| B | Starter |
| D | Ignition/starter switch |
| J59 | X-contact relief relay |
| S162 | Fuse 1 (30) in fuse holder on battery |
| S163 | Fuse 2 (30) in fuse holder on battery |
| S164 | Fuse 3 (30) in fuse holder on battery |
| S176 | Fuse 4 (30) in fuse holder on battery |
| S177 | Fuse 5 (30) in fuse holder on battery |
| S178 | Fuse 6 (30) in fuse holder on battery |
| S179 | Fuse 7 (30) in fuse holder on battery |
| S180 | Fuse 8 (30) in fuse holder on battery |
| T3 | 3-pin connector, on the battery |
| T6l | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 500 | Screw connection 1 (30), on relay plate |
| 501 | Screw connection 2 (30), on relay plate |
| 503 | Screw connection (75x), on relay plate |
| A2 | Positive connection (15), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A41 | Positive connection (50), in dash panel wiring harness |
| A49 | Connection 1, in dash panel wiring harness |
| A80 | Connection 1 (X), in dash panel wiring harness |
| C | Alternator |
| D2 | Immobilizer reader coil (01128) |
| E24 | Driver side belt switch (00591) |
| H16 | Lights switched on warning buzzer |
| J... | Engine control units |
| J285 | Control unit with display in dash panel insert (01317) |
| J362 | Immobilizer control unit |
| K2 | Alternator warning lamp |
| K19 | Seat belt warning system warning lamp (00665) |
| K117 | Immobilizer warning lamp (00750) |
| S5 | Fuse 5 in relay plate fuse holder |
| S7 | Fuse 7 in relay plate fuse holder |
| S11 | Fuse 11 in relay plate fuse holder |
| T6l | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
| T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| A2 | Positive connection (15), in dash panel wiring harness |
| B163 | Positive connection 1 (15), in interior wiring harness |
| * | only models without ESP |
| G5 | Rev. counter (00662) |
| G22 | Speedometer (01086) |
| J... | Engine control units |
| J285 | Control unit with display in dash panel insert (01317) |
| K18 | Trailer operation warning lamp |
| K105 | Reserve fuel warning lamp (01082) |
| L75 | Digital display illumination bulb |
| S22 | Fuse 22 in relay plate fuse holder |
| S23 | Fuse 23 in relay plate fuse holder |
| Y4 | Odometer display |
| T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
| T10a | 10-pin connector, in left wiring harness |
| T12d | 12-pin connector, on Climatronic |
| T32 | 32-pin connector, blue, on dash panel insert |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A43 | Connection (57L), in dash panel wiring harness |
| A44 | Connection (57R), in dash panel wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| A85 | Connection (58R), in dash panel wiring harness |
| * | only models with trailer |
| ** | only models without ESP |
| F9 | Handbrake warning switch (01114) |
| F34 | Brake fluid level warning contact |
| G33 | Windscreen washer fluid level sender |
| J285 | Control unit with display in dash panel insert (01317) |
| J393 | Convenience system central control unit (01330) |
| K1 | Main beam warning lamp |
| K13 | Rear fog light warning lamp |
| K14 | Handbrake warning lamp |
| K37 | Washer fluid level warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| K118 | Brake system warning lamp |
| Y2 | Digital clock |
| T23 | 23-pin connector, under steering wheel |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| A88 | Connection (RFL), in dash panel wiring harness |
| ** | only models without ESP |
| E2 | Turn signal switch (00886) |
| E4 | Headlight dipper/flasher switch |
| E19 | Parking light switch |
| L1 | Left headlight twin filament bulb |
| M1 | Side light left |
| M5 | Front left turn signal |
| M18 | Left side repeater turn signal |
| S18 | Fuse 18 in relay plate fuse holder |
| S19 | Fuse 19 in relay plate fuse holder |
| S21 | Fuse 21 in relay plate fuse holder |
| T8 | 8-pin connector, left headlight |
| T12 | 12-pin connector, turn signal |
| 12 | Earth point, on left in engine compartment |
| 179 | Earth connection, in left headlight wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| B166 | Connection (56a), in interior wiring harness |
| B167 | Connection (56b), in interior wiring harness |
| E3 | Hazard warning light switch |
| J1 | Turn signal relay |
| K6 | Hazard warning light system warning lamp (00910) |
| L2 | Right headlight twin filament bulb |
| M3 | Side light right |
| M7 | Front right turn signal |
| M19 | Right side mounted turn signal |
| S20 | Fuse 20 in relay plate fuse holder |
| T7 | 7-pin connector, in centre console |
| T8a | 8-pin connector, right headlight |
| 81 | Earth connection 1, in dash panel wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| B167 | Connection (56b), in interior wiring harness |
| * | only models with trailer |
| ** | only models without ESP |
| F | Brake light switch (00526-2131) |
| F47 | Cruise control system brake pedal switch/diesel direct injection system (00629) |
| J248 | Diesel direct injection system control unit |
| M6 | Rear left turn signal |
| M21 | Left brake and tail light bulb |
| M25 | High level brake light bulb |
| T5c | 5-pin connector |
| T5d | 5-pin connector, brown, coupling station, C-pillar left |
| T5m | 5-pin connector, in rear lid |
| T5n | 5-pin connector, on left in luggage compartment |
| T5k | 5-pin connector, in right bonnet |
| T6h | 6-pin connector, on left in luggage compartment |
| 86 | Earth connection 1, in rear wiring harness |
| 98 | Earth connection, in rear lid wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A98 | Positive connection 4 (30), in dash panel wiring harness |
| B131 | Connection (54), in interior wiring harness |
| B185 | Connection 2 (54), in interior wiring harness |
| W1 | Positive connection (54), in rear wiring harness |
| W6 | Connection (left turn signal), in rear wiring harness |
| * | only models with diesel engine |
| ** | only models without ESP |
| F4 | Reversing light switch |
| M16 | Left reversing light bulb |
| M17 | Right reversing light bulb |
| T5d | 5-pin connector, brown, coupling station, C-pillar left |
| T5j | 5-pin connector, brown, in rear lid |
| T5k | 5-pin connector, in right bonnet |
| T5l | 5-pin connector, in left bonnet |
| T5n | 5-pin connector, on left in luggage compartment |
| T6h | 6-pin connector, on left in luggage compartment |
| T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
| 98 | Earth connection, in rear lid wiring harness |
| A87 | Connection (RL), in dash panel wiring harness |
| W3 | Connection, in rear wiring harness |
| W33 | Connection (reversing light), in rear lid wiring harness |
| E204 | Tank filler flap remote release switch |
| F5 | Luggage compartment light switch |
| L46 | Rear left fog light bulb |
| L47 | Rear right fog light bulb |
| L76 | Button illumination bulb |
| M8 | Rear right turn signal |
| M22 | Right brake and tail light bulb |
| S238 | Fuse 38 in fuse holder |
| S270 | Fuse fuel tank flap |
| W3 | Luggage compartment light (01565) |
| V155 | Tank filler flap locking motor (01357) |
| T5c | 5-pin connector |
| T5k | 5-pin connector, in right bonnet |
| T5l | 5-pin connector, in left bonnet |
| T5m | 5-pin connector, in rear lid |
| T5n | 5-pin connector, on left in luggage compartment |
| T6i | 6-pin connector, in right luggage compartment |
| 50 | Earth point, on left in luggage compartment |
| 86 | Earth connection 1, in rear wiring harness |
| 98 | Earth connection, in rear lid wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| A40 | Positive connection 1 (30), in dash panel wiring harness |
| W4 | Connection 1 (rear fog lights), in rear wiring harness |
| W7 | Connection (right turn signal), in rear wiring harness |
| W15 | Connection 1 (luggage compartment light), in rear wiring harness |
| W25 | Connection 2 (rear fog lights), in rear wiring harness |
| L28 | Cigarette lighter illumination bulb |
| R | Radio |
| S12 | Fuse 12 in relay plate fuse holder |
| S13 | Fuse 13 in relay plate fuse holder |
| S15 | Fuse 15 in relay plate fuse holder |
| S237 | Fuse 37 in fuse holder |
| S239 | Fuse 39 in fuse holder |
| S240 | Fuse 40 in fuse holder |
| S241 | Fuse 41 in fuse holder |
| S242 | Fuse 42 in fuse holder |
| U1 | Cigarette lighter |
| T8b | 8-connector, on radio |
| T12d | 12-pin connector, on Climatronic |
| T16 | 16-pin connector, self-diagnosis |
| 32 | Earth point, on left behind dash panel insert |
| 45 | Earth point, behind dash panel |
| 81 | Earth connection 1, in dash panel wiring harness |
| A4 | Positive connection (58b), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A40 | Positive connection 1 (30), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| V15 | Connection, in telephone wiring harness |
| * | only models with diesel engine |
| ** | only models without ESP |
| E1 | Light switch |
| E18 | Rear fog light switch |
| L9 | Light switch illumination bulb |
| S236 | Fuse 36 in fuse holder |
| T8a | 8-pin connector, right headlight |
| T17 | 17-pin connector, light switch |
| 33 | Earth point, on right behind dash panel |
| 81 | Earth connection 1, in dash panel wiring harness |
| A4 | Positive connection (58b), in dash panel wiring harness |
| * | Preparation for fog light |
| H | Horn plate (00889) |
| H1 | Dual tone horn (00906) |
| J4 | Dual tone horn relay |
| S3 | Fuse 3 in relay plate fuse holder |
| S4 | Fuse 4 in relay plate fuse holder |
| W6 | Glove compartment light |
| X | Number plate light |
| T1b | Single connector, in glove compartment |
| T1c | Single connector, in glove compartment |
| T5b | 5-pin connector, next to steering column |
| T5k | 5-pin connector, in right bonnet |
| T5m | 5-pin connector, in rear lid |
| T5n | 5-pin connector, on left in luggage compartment |
| 81 | Earth connection 1, in dash panel wiring harness |
| 98 | Earth connection, in rear lid wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A37 | Connection (58a), in dash panel wiring harness |
| A90 | Connection (dual tone horn), in dash panel wiring harness |
| * | only models without ESP |
| E20 | Switches and instruments illumination regulator |
| E102 | Headlight range control regulator |
| V48 | Left headlight range control motor |
| V49 | Right headlight range control motor |
| T7 | 7-pin connector, in centre console |
| T8 | 8-pin connector, left headlight |
| T8a | 8-pin connector, right headlight |
| 42 | Earth point, next to steering column |
| 81 | Earth connection 1, in dash panel wiring harness |
| 199 | Earth connection 3, in dash panel wiring harness |
| A103 | Connection 2 (56), in dash panel wiring harness |
| A114 | Connection (headlight range control), in dash panel wiring harness |
| E9 | Fresh air blower switch |
| E159 | Fresh air/air recirculation flap switch |
| K114 | Fresh air and air recirculation warning lamp |
| L16 | Fresh air regulator illumination bulb |
| N24 | Fresh air blower series resistor with overheating fuse |
| S2 | Fuse 2 in relay plate fuse holder |
| S225 | Fuse 25 in fuse holder |
| V2 | Fresh air blower (01273-4124) |
| V154 | Fresh air/recirculated air flap control motor |
| T4c | 4-pin connector, under front passenger seat |
| T4n | 4-pin connector, in left engine compartment |
| T6n | 6-pin connector |
| T8l | 8-pin connector |
| 45 | Earth point, behind dash panel |
| 162 | Earth connection, in blower motor wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| B163 | Positive connection 1 (15), in interior wiring harness |
| L66 | Connection, in heater blower wiring harness |
| E15 | Heated rear window switch (00973) |
| K10 | Heated rear window warning lamp (00911) |
| L39 | Heated rear window switch illumination bulb |
| S224 | Fuse 24 in fuse holder |
| S226 | Fuse 26 in fuse holder |
| V5 | Washer pump |
| Z1 | Heated rear window (00975) |
| T5c | 5-pin connector |
| T5d | 5-pin connector, brown, coupling station, C-pillar left |
| T7a | 7-pin connector, in centre console |
| 50 | Earth point, on left in luggage compartment |
| 81 | Earth connection 1, in dash panel wiring harness |
| 86 | Earth connection 1, in rear wiring harness |
| A96 | Connection (53a), in dash panel wiring harness |
| A97 | Connection (53), in dash panel wiring harness |
| A102 | Connection (windscreen wiper), in dash panel wiring harness |
| W8 | Connection (15 a), in rear wiring harness |
| E22 | Wiper switch |
| E38 | Intermittent wiper regulator |
| J31 | Automatic intermittent wash and wipe relay |
| V | Windscreen wiper motor |
| T5e | 5-pin connector, in windscreen wiper motor |
| T6d | 6-pin connector |
| T8c | 8-pin connector |
| T17a | 17-pin connector |
| 81 | Earth connection 1, in dash panel wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A96 | Connection (53a), in dash panel wiring harness |
| A97 | Connection (53), in dash panel wiring harness |
| A102 | Connection (windscreen wiper), in dash panel wiring harness |
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