Legend for function diagram of electrical system of AIRmatic - semi-active air suspension - PE32.22-U-2050-60MAA
MODEL 164 with CODE (489) Airmatic (semi-active air suspension)
| Item | Designation | Coordinates |
|---|---|---|
| A1 | Instrument cluster | 12G |
| A7/7 | BAS brake booster | 14A |
| A9/1 | AIRmatic compressor unit | 9J |
| A72 | Rear door locking unit | 22K |
| B22/7 | Left rear level sensor | 5H |
| B22/8 | Left front level sensor | 5H |
| B22/9 | Right front level sensor | 5H |
| B22/10 | Right rear level sensor | 5H |
| B24/3 | Left front body lateral acceleration sensor | 6K |
| B24/4 | Right front body lateral acceleration sensor | 6K |
| B24/6 | Right rear body lateral acceleration sensor | 9L |
| L6/1 | Left front wheel speed sensor | 17C |
| L6/2 | Right front wheel speed sensor | 17C |
| L6/3 | Left rear wheel speed sensor | 17D |
| L6/4 | Right rear wheel speed sensor | 17D |
| M14/5 | Right front door CL motor | 22K |
| M14/6 | Driver door CL motor | 22K |
| M14/8 | Left rear door CL motor | 22L |
| M14/9 | Right rear door CL motor | 22L |
| N3/9 | CDI control module | 7C |
| N10 | Front SAM control unit | 18J |
| N10/8 | Rear SAM control module | 20J |
| N47-5 | ESP control module | 14B |
| N49 | Steering angle sensor | 10B |
| N51 | Airmatic control unit | 7G |
| N71 | Headlamp range adjustment control module | 15G |
| N72 | Lower control field control module | 20B |
| N72s32 | Level adjustment high switch | 20B |
| N72s33 | Level adjustment low switch | 20B |
| N72/1 | Upper control panel control module | 20E |
| N72/1s2 | Level adjustment switch | 22E |
| N72/1s31 | Comfort/Sport switch (ADS) | 22F |
| N80 | Steering column module | 10C |
| N93 | Central gateway control module | 18E |
| U127 | Valid for engine 272, engine 273 KE | 1A |
| U151 | Valid for engine 113 | 4A |
| U152 | Valid for engine 156 | 1A 8K |
| U153 | Valid for all except engine 156 | 8K |
| U475 | Valid for M 272 | 6B |
| U506 | Valid for ADS | 6K 22E |
| U552 | Valid for offroad package | 19B |
| U557 | Not valid for offroad package | 22D |
| U880 | Valid for engine 642 | 6A |
| Y36 | AIRmatic valve unit | 9K |
| Y51 | Left front axle damping valve unit | 7K |
| Y52 | Right front axle damping valve unit | 7K |
| Y53 | Left rear axle damping valve unit | 7L |
| Y54 | Right rear axle damping valve unit | 7L |