| A1 | Instrument cluster | 10L | PE54.30 |
| A9 | A/C compressor | 15L | PE83 |
| A9x1 | A/C compressor connector | 15J | |
| A32 | Heater system air circulation unit | 4L | PE83 |
| A32m1 | Blower motor | 3L | |
| A32n1 | Blower regulator | 5L | |
| B10/1 | Heater core temperature sensor | 25L | |
| B10/4 | In-car temperature sensor | 23L | |
| B10/4b1 | In-car temperature sensor | 24L | |
| B10/4m1 | Aspirator blower | 23L | |
| B10/4x1 | In-car temperature sensor connector | 22K | |
| B10/6 | Evaporator temperature sensor | 27L | |
| B10/6x1 | Evaporator temperature sensor connector | 26K | |
| B12 | Refrigerant pressure sensor | 17L | |
| B12/1 | Refrigerant temperature sensor | 19L | |
| F1 | Fuse and relay box | 2L 42F 52E |
|
| F1f20 | Fuse 20 | 1K | |
| F1f29 | Fuse 29 | 2K | |
| F1f30 | Fuse 30 | 2K | |
| F1f38 | Fuse 38 | 43E 52D |
|
| K40/2 | Driver-side fuse and relay module box | 11H 38A 58L |
|
| K40/4 | Passenger-side fuse and relay module box | 29L | |
| M4 | Auxiliary fan | 55L | |
| M4m1 | Left auxiliary fan | 54L | |
| M4m2 | Right auxiliary fan | 56L | |
| M4/3 | Engine/climate control electric cooling fan | 45L | |
| M4/3x1 | Engine/climate control electric cooling fan connector | 44J | |
| M13 | Coolant circulation pump | 13L | |
| N3/10 | ME-SFI control module | 32L 49L |
PE07.61 |
| N10/1 | Signal pickup- and activation module (SAM) left front | 21L 35A 47L |
|
| N22 | AAC pushbutton control module | 4A 12A 20A 27A 33A 59A |
PE83.40 |
| N65/1 | AIR control module | 53A 57A |
PE83 |
| N73 | Electronic ignition-starter switch (EIS) control module | 35L 39L |
PE80 |
| N76 | Engine/climate control electric cooling fan control module | 45A | PE83 |
| U150 | Valid for engine 112 | 48G | |
| U528 | Valid for auxiliary fan | 51A | |
| U529 | Valid for suction fan | 42A | |
| U539 | Valid for engine 111 ME-SFI | 28E | |
| W1 | Main ground (behind instrument cluster) | 3E 5H 23H 36H 38D |
|
| W16/3 | Ground (output ground - component compartment - left) | 44E 55E |
|
| X4 | Terminal block (circuit 30, left footwell) | 37E | |
| X11/4 | Diagnostic data link connector | 14L | |
| X12/3 | Terminal block (circuit 30) | 42H 52H |
|
| X26/23 | Engine compartment/cockpit connector | 29H 32H 39H |
|
| X64/4 | Dual auxiliary fan connector (2-pole) | 53G | |
| Y11/3 | Switchover valve block (8 connections) | 7L | |
| Y21 | Duovalve | 11L | |
| Y21y1 | Left-side water valve | 11L | |
| Y21y2 | Right-side water valve | 12L | |
| Z3/1 | Circuit 15 connector sleeve (automatic A/C, feed from auxiliary coolant pump control relay - K30) | 11E 22G |
|
| Z5 | Connector sleeve (solder joint in harness) | 12E | |
| Z6/16 | Ground connector sleeve (AAC/TAC temperature sensor) | 15E 25G |
|
| Z37/2 | Engine CAN-Bus (low) connector sleeve | 40E | |
| Z37/3 | Engine CAN-Bus (high) connector sleeve | 39E |