Legend of electrical function schematic for folding down retractable rear head restraints (RHR [KAF]) - PE91.16-P-2052-60SAA
Model 221.0/1 except CODE (223) Rear bench seat with electrically adjustable outer seats with PRE-SAFE positioning function for outer seats and outer head restraints as of model year 09/YoM 08
| Code | Designation | Coordinates |
|---|---|---|
| A8/1 | Transmitter key | 3F |
| A40/3 | COMAND controller unit | 12E |
| A40/9 | Front central operating unit | 14J |
| A40/9s9 | Head restraint folding button | 15H |
| Code 409 | Left and right front multicontour seats | 1A |
| Code 432 | Left and right front dynamic multicontour seats | 1B |
| M25/1 | Lumbar pump | 2C |
| M40 | Multicontour seat pneumatic pump | 2B |
| M40/1 | Pneumatic pump for dynamic seat control | 2B |
| N10/2 | Rear SAM control unit with fuse and relay module | 6E |
| N73 | EIS [EZS] control unit | 2E |
| N93 | Central gateway control unit | 11J |
| U52 | Valid for Japan | 10E |
| U54 | Valid for all except Japan | 10E |
| Y24/11 | Rear head restraints valve block | 7B |
| CAN A | Telematics CAN | 12H |
| CAN B | Interior CAN | 4F |
| CAN B | Interior CAN | 5K |
| CAN B | Interior CAN | 8K |
| CAN F | Central CAN | 11H |
| 1 | Circuit 15, status | 5F |
| 1 | Circuit 15, status | 9L |
| 2 | Rear head restraints button, status | 11J |
| 2 | Rear head restraints button, status | 13G |
| 3 | Retractable rear head restraints, request | 7H |
| 4 | Retractable rear head restraints, actuation | 3C |
| 4 | Retractable rear head restraints, actuation | 7C |
| 5 | Multifunction pneumatic controller unit, actuation | 3D |
| 5 | Multifunction pneumatic controller unit, actuation | 7C |