| A1 | Instrument cluster | 18L | PE54.30 |
| A9 | A/C compressor | 11L | PE83 |
| A9x1 | A/C compressor connector | 10J | |
| A32 | Heater system air circulation unit | 33L | PE83 |
| A32m1 | Blower motor | 32L | |
| A32n1 | Blower regulator | 34L | |
| B10/1 | Heater core temperature sensor | 5L | |
| B10/6 | Evaporator temperature sensor | 7L | |
| B10/6x1 | Evaporator temperature sensor connector | 6H | |
| B12 | Refrigerant pressure sensor | 9L | |
| F1 | Fuse and relay box | 3L 17L 31L 49H 55H |
|
| F1f20 | Fuse 20 | 2K | |
| F1f29 | Fuse 29 | 31K | |
| F1f30 | Fuse 30 | 17K | |
| F1f38 | Fuse 38 | 49G 55G |
|
| K40/2 | Driver-side fuse and relay module box | 8E 20L 57L |
|
| K40/4 | Passenger-side fuse and relay module box | 36L | |
| M4 | Auxiliary fan | 53L | |
| M4m1 | Left auxiliary fan | 51L | |
| M4m2 | Right auxiliary fan | 54L | |
| M4/3 | Engine/climate control electric cooling fan | 48L | |
| M4/3x1 | Engine/climate control electric cooling fan connector | 47J | |
| M13 | Coolant circulation pump | 15L | |
| N3/10 | ME-SFI control module | 39L 45L 47L |
PE07.61 |
| N10/1 | Signal pickup- and activation module (SAM) left front | 23L 42L |
|
| N19 | A/C pushbutton control module | 4A 12A 20A 28A 36A 58A |
PE83.30 |
| N65/1 | AIR control module | 54A | PE83 |
| N73 | Electronic ignition-starter switch (EIS) control module | 27L | PE80 |
| N76 | Engine/climate control electric cooling fan control module | 44A 49A |
PE83 |
| U150 | Valid for engine 112 | 44G | |
| U528 | Valid for auxiliary fan | 50A | |
| U529 | Valid for suction fan | 40A | |
| U539 | Valid for engine 111 ME-SFI | 35E 46G |
|
| W1 | Main ground (behind instrument cluster) | 20H 26H 34H |
|
| W16/3 | Ground (output ground - component compartment - left) | 42E 53E |
|
| X4 | Terminal block (circuit 30, left footwell) | 27H | |
| X11/4 | Diagnostic data link connector | 11L | |
| X12/3 | Terminal block (circuit 30) | 49L 55L |
|
| X26/23 | Engine compartment/cockpit connector | 28H 36H 39H |
|
| X64/4 | Dual auxiliary fan connector (2-pole) | 50G | |
| Y13 | Fresh/recirculated air flap switchover valve | 1L | |
| Y21 | Duovalve | 13L | |
| Y21y1 | Left-side water valve | 13L | |
| Y21y2 | Right-side water valve | 14L | |
| Z6/16 | Ground connector sleeve (AAC/TAC temperature sensor) | 6E | |
| Z37/2 | Engine CAN-Bus (low) connector sleeve | 29E | |
| Z37/3 | Engine CAN-Bus (high) connector sleeve | 28E |