Wiring diagram, special vehicle multifunction control unit (SVMCU [MSS]) - PE54.21-P-2105-97FAA
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 |
| A49/5x1 | Radio data transmission keyboard electrical connector 1 | 48L |
| A49/5x2 | Antenna electrical connector, trunk | 46L |
| A49/5x3 | Radio data transmission keyboard electrical connector 2 | 52L |
| A49x1 | Antenna electrical connector, glove compartment | 41L |
| A49x2 | Two-way radio electrical connector | 38L |
| A50x1 | Taximeter electrical connector | 17L |
| A50x1 | Taximeter electrical connector | 54L |
| CAN B | Interior CAN | 25K |
| F32 | Front electrical prefuse box | 9L |
| F32f159 | Prefuse 159 | 7K |
| F32f161 | Prefuse 161 | 7K |
| F33 | Rear prefuse box | 4L |
| F33f112 | Prefuse 112 | 2K |
| F33f115 | Prefuse 115 | 5K |
| H6 | Taxi two-way radio speaker | 44L |
| N26/9 | Special-purpose vehicle multifunction control unit | 12A |
| N26/9 | Special-purpose vehicle multifunction control unit | 4A |
| N26/9 | Special-purpose vehicle multifunction control unit | 20A |
| N26/9 | Special-purpose vehicle multifunction control unit | 28A |
| N26/9 | Special-purpose vehicle multifunction control unit | 52A |
| N26/9 | Special-purpose vehicle multifunction control unit | 36A |
| N26/9 | Special-purpose vehicle multifunction control unit | 45A |
| N26/9 | Special-purpose vehicle multifunction control unit | 58A |
| N30/4 | Electronic Stability Program control unit | 21L |
| S62/5 | Taxi emergency alarm system "Delete" button | 30L |
| S62/6 | Taxi emergency alarm system "Trigger" button | 34L |
| U12 | Valid for left-hand drive vehicles | 42F |
| U121 | Valid for taxi emergency alarm system | 27D |
| U13 | Valid for right-hand drive vehicles | 42F |
| U240 | Valid for all except ECO start/stop function | 7F |
| U252 | Valid for ECO start/stop function | 6F |
| U671 | Valid for taximeter preinstallation | 15D |
| U671 | Valid for taximeter preinstallation | 53H |
| U683 | Valid for preinstallation for two-way radio system in glove compartment | 35F |
| U763 | Valid for preinstallation for two-way radio system in trunk | 45F |
| U765 | Valid for taxi peripheral device preinstallation | 55F |
| U766 | Valid for international roof sign preinstallation | 11F |
| U767 | Valid for antenna preinstallation | 41G |
| U767 | Valid for antenna preinstallation | 45G |
| U768 | Valid for roof sign preinstallation | 13F |
| W7 | Right wheelhouse trunk ground point | 18H |
| W7 | Right wheelhouse trunk ground point | 11E |
| W7 | Right wheelhouse trunk ground point | 38H |
| W7 | Right wheelhouse trunk ground point | 49H |
| W7 | Right wheelhouse trunk ground point | 58G |
| X1/44 | Taxi peripheral device electrical connector | 57L |
| X1/45 | Two-way radio speaker electrical connector | 39H |
| X1/45 | Two-way radio speaker electrical connector | 47H |
| X30/33 | Right vehicle floor interior CAN voltage distributor electrical connector | 25L |
| X35/1 | Left front door electrical connector | 43H |
| X35/2 | Right front door electrical connector | 43H |
| X40 | Roof sign lamp electrical connector | 14L |
| X40/2 | International roof sign electrical connector | 12L |
| X42/8 | Taxi emergency alarm system "Trigger" button electrical connector | 33H |
| Z11 | Connector sleeve 3 in wiring harness | 13E |
| Z12 | Connector sleeve 4 in wiring harness | 14E |
| Z17 | Connector sleeve 9 | 37E |
| Z18 | Connector sleeve 10 | 37E |
| Z4/3 | Tml. 30 connector sleeve | 16G |
| Z61 | Vehicle speed signal connector sleeve | 21G |
| Z7 | Tml. 30 connector sleeve | 2E |
| Z7 | Tml. 30 connector sleeve | 7E |
| Z7/69 | Two-way radio circuit 30 connector sleeve | 36E |
| Z87/20z1 | Taxi emergency alarm system button connector sleeve | 32L |
| Z87/20z2 | Taxi emergency alarm system button connector sleeve | 31L |
| Z87/20z3 | Taxi emergency alarm system button connector sleeve | 27L |
| Z87/20z4 | Taxi emergency alarm system button connector sleeve | 29L |