Wiring diagram for left front door control unit (DCU) - PE72.29-P-2101-97FAA
WARNING: This page is about a different car, the 2012 Mercedes-Benz C300, 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 64L |
| A26/1 | Driver-side front door infrared remote control receiver | 17L |
| A85 | Left front door lock | 13L |
| A85m1 | Left front door central locking motor | 12L |
| A85m4 | Left front door additional door lock actuator motor | 15L |
| A85s1 | Left front door rotary tumbler switch | 13L |
| CAN B | Interior CAN | 6K |
| E17/11 | Left front door handle illumination | 37L |
| E17/11 | Left front door handle illumination | 39L |
| E17/3 | Left front door exit and warning lamp | 42L |
| E17/31 | Left front door handle recess illumination | 41L |
| E6/5 | Left outside mirror turn signal lamp | 47L |
| E6/5x1 | Left outside mirror turn signal lamp electrical connector | 46H |
| LIN B5 | Left door LIN | 18B |
| LIN B5 | Left door LIN | 44B |
| M10/3 | Left front door power window motor | 9L |
| M21/1 | Left outside mirror | 51L |
| M21/1e2 | Left Blind Spot Assist readiness and warning indicator | 57L |
| M21/1e2x1 | Left Blind Spot Assist warning lamp electrical connector | 56H |
| M21/1h1 | Automatic dimming mirror | 49L |
| M21/1h1x1 | Mirror dimming electrical connector | 48H |
| M21/1m1 | Vertical inclination adjustment actuator motor | 51K |
| M21/1m2 | Horizontal inclination adjustment actuator motor | 51K |
| M21/1m3 | Outside mirror fold-in/fold-out electric motor | 55L |
| M21/1r1 | Mirror heater | 48L |
| M21/1r2 | Vertical inclination adjustment potentiometer | 53K |
| M21/1r3 | Horizontal inclination adjustment potentiometer | 53K |
| N10/1 | Front SAM control unit with fuse and relay module | 3L |
| N10/1f2 | Fuse 2 | 2L |
| N69/1 | Left front door control unit | 4A |
| N69/1 | Left front door control unit | 12A |
| N69/1 | Left front door control unit | 20A |
| N69/1 | Left front door control unit | 28A |
| N69/1 | Left front door control unit | 36A |
| N69/1 | Left front door control unit | 45A |
| N69/1 | Left front door control unit | 52A |
| S15/1 | Trunk lid release button | 28L |
| S15/3 | Driver trunk lid/liftgate control button | 28L |
| S20 | Driver-side power window and outside mirror adjustment switch group | 23L |
| S20s1 | Left front power window switch | 19L |
| S20s10 | Left outside mirror adjustment switch | 25K |
| S20s11 | Right outside mirror adjustment switch | 26K |
| S20s12 | Outside mirror adjustment switch | 23K |
| S20s2 | Right front power window switch | 19L |
| S20s3 | Left rear power window switch | 21L |
| S20s4 | Right rear power window switch | 22L |
| S20s5 | Rear side window child safety lock switch | 20L |
| S20s9 | Outside mirror fold-in/fold-out switch | 24K |
| S21/2 | Passenger-side power window switch | 31L |
| S22 | Left front seat adjustment switch group | 45L |
| S85/5 | Left front door central locking interior switch | 34L |
| U12 | Valid for left-hand drive vehicles | 16E |
| U12 | Valid for left-hand drive vehicles | 48E |
| U13 | Valid for right-hand drive vehicles | 30E |
| U144 | Valid for outside mirror fold-in/out function | 24J |
| U144 | Valid for outside mirror fold-in/out function | 54E |
| U344 | Valid for all except KEYLESS GO | 11E |
| U571 | Valid for electric power windows (4 windows) | 20J |
| U656 | Valid for interior lights package | 35E |
| U657 | Valid for trunk lid control | 27E |
| U658 | Valid for tailgate control | 27F |
| U71 | Valid for fully electric seat adjustment with memory function | 43E |
| U71 | Valid for fully electric seat adjustment with memory function | 50E |
| U76 | Valid for automatic dimming mirror | 48E |
| U82 | Valid for KEYLESS GO | 11E |
| U910 | Valid for Blind Spot Assist | 56E |
| U928 | Valid for England | 11E |
| U928 | Valid for England | 14E |
| W18 | Left front seat crossmember ground point | 2E |
| X30/32 | Left vehicle floor interior CAN voltage distributor electrical connector | 6L |
| Z52/20z1 | Left front door illumination connector sleeve | 40G |
| Z52/20z2 | Left front door illumination connector sleeve | 38G |