Mercedes-Benz B-Class W245 (2006 – 2011) – fuse box diagram
Year of production: 2006, 2007, 2008, 2009, 2010, 2011
Fuse box in the front-passenger footwell
| Number | Fused function | Ampere ratting [A] |
| 1 | 2006-2008: Stop light switch | 10 |
| Light and vision package (2006-2008): Stop light switch 2009-2011: Stop light switch |
5 | |
| 2 | Heated rear window | 25 |
| 3 | nstrument cluster EIS [EZS] control unit |
7,5 |
| 4 | EIS [EZS] control unit Electric steering lock control unit |
15 |
| 5 | Automatic air conditioning and Comfort automatic air conditioning:HEAT control and operating unit Automatic air conditioning: AAC [KLA] control and operating unit Comfort automatic air conditioning: Comfort AAC [KLA] control and operating unit |
7,5 |
| 6 | Left fanfare horn Right fanfare horn |
15 |
| 7 | Fuel pump relay | 25 |
| 8 | Overhead control panel control unit | 25 |
| 9 | ESP and BAS control unit | 40 |
| 10 | Blower regulator/interior wiring harness connector | 40 |
| 11 | Valid for engine 266: Circuit 87 relay, engine | 30 |
| Valid for engine 640: Circuit 87 relay, engine | 40 | |
| 12 | Steering column module Multifunction steering wheel (2006-2008) |
5 |
| 13 | Left front door control unit | 25 |
| 14 | Right front door control unit | 25 |
| 15 | ESP and BAS control unit | 25 |
| 16 | Data link connector Parktronic system (PTS) control unit (2006-2008) |
10 |
| 17 | Rotary light switch | 5 |
| 18 | Valid for transmission 711, 716: Backup lamp switch | 7,5 |
| 19 | Micromechanical turn rate sensor AY pickup | 5 |
| 20 | Restraint systems control unit | 7,5 |
| 21 | Starter relay | 30 |
| 22 | Instrument cluster | 7,5 |
| 23 | 2006-2008: Washer nozzle heating | 7,5 |
| Valid for engine 640 as of 1.9.08: Fuel filter condensation sensor with heating element | 20 | |
| 24 | Electric power steering (ES) control unit | 7,5 |
| 25 | Stop light switch ESp and BAS control unit |
7,5 |
| 26 | Valid for transmission 722: Electronic selector lever module control unit | 7,5 |
| 27 | V10alid for transmission 722: CVT (continuously variable automatic transmission) control unit | 7,5 |
| 28 | Rotary light switch | 5 |
| 29 | SAM control unit | 30 |
| 30 | Circuit 87F relay | 25 |
| 31 | 2006-2008: Central gateway control unit (vehicles up to 30.11.05) Rotary light switch 2009-2011: Automatic light switch daylight sensor Rain/light sensor |
5 |
| 32 | Valid for engine 266: ME-SFI [ME] control unit | 7,5 |
| 33 | Radio Radio and navigation unit COMAND operating, display and control unit (Japan) |
15 |
| 34 | Left rear door control unit | 25 |
| 35 | Right rear door control unit | 25 |
| 36 | 2006-2008: Cell phone separation point Trailer control unit |
7,5 |
| 2009-2011: Trailer control unit PTS control unit |
10 | |
| 37 | Restraint systems control unit Front passenger seat occupied recognition sensor Front passenger seat occupied and child seat recognition sensor |
7,5 |
| 38 | Front cigar lighter with ashtray illumination | 25 |
| 39 | Wiper motor | 25 |
| 40 | Louvered sunroof: Overhead control panel control unit | 7,5 |
| Lamella roof: Overhead control panel control unit | 25 | |
| 41 | Liftgate wiper motor | 15 |
| 42 | Glove compartment illumination with switch Left and right vanity mirrors illumination Footwell illumination switch (driving school package) Pedal operation monitor switch (driving school package) VICS+ETC voltage supply separation point (Japan) |
7,5 |
| 43 | Valid for engine 266: Terminal 87M1 e connector sleeve Bivalent natural gas drive (2009-2011): Terminal 87M1e connector sleeve |
15 |
| Valid for engine 640: Terminal 87M1e connector sleeve |
7,5 | |
| 44 | Valid for engine 266: Terminal 87M2e connector sleeve |
15 |
| Valid for engine 640: Terminal 87M2e connector sleeve |
20 | |
| 45 | Valid for engine 640: CDI control unit |
25 |
| 46 | 2006-2008: Telephone control unit, (Japan) E-net compensator Universal Portable CTeL Interface (UPCI [UHI]) control unit |
7,5 |
| 2009-2011: Bass module speaker (Japan) | 25 | |
| 2009-2011: Amplifier for sound system | 40 | |
| 47 | Telephone control unit, (Japan) Universal Portable CTEL Interface (UPCI [UHI]) control unit Cell phone separation point Voice control system (VCS [SBS]) control unit |
7,5 |
| 48 | ATA [EDW]/tow-away protection/interior protection control unit Alarm signal horn with additional battery |
7,5 |
| 49 | Upper control panel control unit Left front seat heated cushion (2006-2008) Left front backrest heated cushion (2006-2008) Right front seat cushion heater element (2006-2008) Right front backrest seat cushion heater element (2006-2008) |
25 |
| 50 | 2006-2008: CD changer VICS+ETC voltage supply separation point (Japan) 2009-2011: Media interface control unit Digital TV tuner Digital Audio Broadcasting control unit |
7,5 |
| Valid for government vehicles (2009-2011): Roof light bar Circuit 30 connector sleeve |
30 | |
| 51 | Canada (2009-2011): Weight Sensing System (WSS) control unit Valid for government vehicles (2009-2011): Special signal system control panel |
10 |
| 52 | VICS+ETC voltage supply separation point (Japan) (vehicles up to 31.5.0 | 5 |
| Spare (vehicles as of 1.6.06) | 7,5 | |
| Emergency call system control unit (USA) (vehicles up to 31.5.06) | 7,5 | |
| 53 | Rear cigar lighter with ashtray illumination Interior socket |
30 |
| 54 | Amplifier for sound system Bass module speaker |
25 |
| Valid for government vehicles (2009-2011): 2-pin 12V socket | 15 | |
| 55 | Left front lamp unit (Bi-xenon) Right front lamp unit (Bi-xenon) |
7,5 |
| Left front lamp unit (Hi-xenon) | 10 | |
| 56 | Spare | 10 |
| Right front lamp unit (Hi-xenon) | 10 | |
| 57 | 2009-2011: Trailer hitch socket (13-pin) | 15 |
| 2006-2008: Audio gateway control unit (Japan) | 25 | |
| 2006-2008: SDAR control unit Emergency call system control unit (USA) |
7,5 | |
| 58 | Trailer control unit | 25 |
| 59 | Trailer control unit (vehicles up to 31.5.05) Trailer hitch socket (13-pin) (vehicles as of 1.6.05) |
20 |
| 60 | Driver seat connector block | 20 |
| 61 | Front passenger seat connector block | 20 |
| 62 | Circuit 15 relay (2) (SA: xenon, cell phone) | 25 |
| 63 | Spare (vehicles up to 31.5.05) | — |
| Valid for government vehicles (2009-2011): Roof light bar | 25 | |
| Emergency call system control unit (USA) (vehicles as of 1.6.05) SDAR control unit (vehicles as of 1.6.05) |
7,5 | |
| 64 | Valid for engine 266: Air pump relay | 40 |
| Valid for engine 640: Engine wiring harness/engine compartment connector (2006-2008) Glow time output stage (2009-2011) |
80 | |
| 65 | Electric power steering (ES) control unit | 80 |
| 66 | SAM control unit | 60 |
| 67 | Circuit 15R relay (2) (SE) | 50 |
| 68 | Valid for engine 266.920 and engine 266.940 with transmission 722: AAC with integrated control additional fan motor |
50 |
| Valid for engine 640.940, 640.941, 266.960, 266.980 and for engine 266.920, 266.940 with (Trailer hitch): AAC with integrated control additional fan motor |
60 | |
| 69 | Circuit 15R relay (1) | 50 |
| 70 | Circuit 15 relay (1) | 60 |
| 71 | Valid for engine 640: PTC heater booster | 150 |
| 72 | 2006-2008: Circuit 30 connector sleeve 2009-2011: Special vehicle multifunction control unit (SVMCU [MSS]) (Taxi) Valid for government vehicles: Fuse 7 Fuse 10 |
60 |
| Number | Fuse function | Ampere ratting [A] |
| 80 | Special vehicle multifunction control unit | 30 |
| 81 | Special vehicle multifunction control unit | 30 |
| 82 | Special vehicle multifunction control unit | 30 |
| 83 | Special vehicle multifunction control unit | 30 |
| Relay | ||
| A | Circuit 15R relay (2) (SA) | |
| B | Circuit 15R relay (1) | |
| C | Fanfare horn relay | |
| D | Heated rear window relay | |
| E | Wiper stage 1/2 relay | |
| F | Wiper ON/OFF relay | |
| G | Circuit 15 relay (1) | |
| H | Backup relay | |
| I | Valid for engine 266: Air pump relay | |
| K | Fuel pump relay | |
| L | Engine circuit 87 relay | |
| M | Starter relay | |
| N | Circuit 87F relay | |
| O | Circuit 15 relay (2) (SA: xenon, cell phone) | |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.