Legend of electrical function schematic, AIRmatic - PE32.32-P-2050-60MAA
Model 164.1 with CODE (489) Airmatic (air suspension with level adjustment and adaptive damping system ADS) as of model year 09/YoM 08 model refinement package
Model 164.8 with CODE (214) Adaptive damping system (ADS) with Skyhook and level control as of model year 09/YoM 08
| Code | Designation | Coordinates |
|---|---|---|
| A1 | Instrument cluster | 10H |
| A9/1 | AIRMATIC compressor unit | 24B |
| B22/7 | Left rear level sensor | 26G |
| B22/8 | Left front level sensor | 26G |
| B22/9 | Right front level sensor | 26G |
| B22/10 | Right rear level sensor | 26H |
| B24/3 | Left front body lateral acceleration sensor | 17B |
| B24/4 | Right front body lateral acceleration sensor | 17B |
| B24/6 | Right rear body lateral acceleration sensor | 17B |
| F58kG | Air suspension compressor | 20B |
| N3/9 | CDI control unit | 13G |
| N3/10 | ME-SFI [ME] control unit | 16G |
| N10 | Front SAM control unit | 18J |
| N10/8 | Rear SAM control unit | 7K |
| N22 | AAC [KLA] control and operating unit | 2D |
| N22/7 | Comfort AAC [KLA] control and operating unit | 2D |
| N47-5 | ESP control unit | 21H |
| N49 | Steering angle sensor | 27J |
| N51 | AIRMATIC control unit | 21D |
| N72 | Lower control panel control unit | 2A |
| N72/1 | Upper control panel control unit | 7A |
| N80 | Steering column module | 24J |
| N93 | Central gateway control unit | 7D |
| U29 | Valid for AAC [KLA] | 1C |
| U74 | Valid for diesel engines | 11F |
| U75 | Valid for gasoline engines | 14F |
| U673 | Valid for comfort AAC [K-KLA] | 1D |
| Y36 | AIRmatic valve unit | 26E |
| Y51 | Left front axle damping valve unit | 26B |
| Y52 | Right front axle damping valve unit | 26B |
| Y53 | Left rear axle damping valve unit | 26B |
| Y54 | Right rear axle damping valve unit | 26B |
| CAN B | Interior CAN | 4E |
| CAN B | Interior CAN | 7C |
| CAN B | Interior CAN | 7H |
| CAN B | Interior CAN | 12K |
| CAN C | Engine compartment CAN | 12E |
| CAN C | Engine compartment CAN | 15F |
| CAN C | Engine compartment CAN | 17E |
| CAN C | Engine compartment CAN | 17F |
| CAN C | Engine compartment CAN | 21G |
| CAN C | Engine compartment CAN | 22G |
| LIN 1 | Instrument panel LIN | 4A |
| 1 | Door rotary tumbler switch, status | 7F |
| 1 | Door rotary tumbler switch, status | 17L |
| 1 | Door rotary tumbler switch, status | 19D |
| 2 | Rear-end door locking unit, status | 7F |
| 2 | Rear-end door locking unit, status | 16L |
| 2 | Rear-end door locking unit, status | 19D |
| 3 | Activate system, signal | 20F |
| 4 | Level sensor, status | 22F |
| 5 | AIRMATIC pressure sensor, signal | 22E |
| 6 | Level control valve, actuation | 26E |
| 7 | Engine speed, signal | 19F |
| 8 | Outside air pressure/temperature, signal | 19F |
| 9 | Temperature sensor for outside temperature indicator, signal | 5D |
| 9 | Temperature sensor for outside temperature indicator, signal | 18D |
| 10 | AIRMATIC compressor, actuation | 20C |
| 10 | AIRMATIC compressor, actuation | 22B |
| 11 | AIRMATIC central reservoir charge valve, actuation | 26E |
| 12 | AIRMATIC pressure reduction valve, actuation | 22C |
| 13 | Wheel speed, signal | 21F |
| 14 | Level control switch, status | 5B |
| 14 | Level control switch, status | 7D |
| 14 | Level control switch, status | 18D |
| 15 | Level control switch (LED), actuation | 3B |
| 15 | Level control switch (LED), actuation | 7B |
| 15 | Level control switch (LED), actuation | 8D |
| 16 | Comfort/sport switch, status | 7C |
| 16 | Comfort/sport switch, status | 17D |
| 17 | Body acceleration sensor, status | 19D |
| 18 | Steering angle, signal | 22F |
| 18 | Steering angle, signal | 25J |
| 19 | Service brake, status | 21F |
| 20 | Yaw rate, lateral and longitudinal acceleration sensor, signal | 21G |
| 21 | Damping valve units, actuation | 25C |
| 22 | AIRMATIC fault, message | 10G |
| 23 | Trailer operation detected, signal | 7G |
| 23 | Trailer operation detected, signal | 17D |