2005-2011 Mercedes-Benz B-Class (W245)

05.10.2017 (US:10.05.17), Category: Mercedes / B-Class

Fuse box in the front-passenger footwell

The fuse box is located in the front-passenger footwell in front of the seat.

2006-2011 Mercedes-Benz B-Class (W245) Fuse Box Location
  1. Remove the footmats.
  2. Turn retaining screw (2) anti-clockwise using a coin for example.
  3. Raise cover (1) and remove it.
  4. Remove the cover mat from the battery.
2006-2011 Mercedes-Benz B-Class (W245) Fuse Panel Location
  1. Fuse allocation chart
  2. Fuse box
2006-2011 Mercedes-Benz B-Class (W245) Fuse Box Chart


Fuses Specifications
No. A Description
1 10 2006-2008: Stop light switch
5 Light and vision package (2006-2008): Stop light switch
2009-2011: Stop light switch
2 25 Heated rear window
3 7.5 Instrument cluster
EIS [EZS] control unit
4 15 EIS [EZS] control unit
Electric steering lock control unit
5 7.5 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
6 15 Left fanfare horn
Right fanfare horn
7 25 Fuel pump relay
8 25 Overhead control panel control unit
9 40 ESP and BAS control unit
10 40 Blower regulator/interior wiring harness connector
11 30 M266: Circuit 87 relay, engine
40 OM640: Circuit 87 relay, engine
12 5 Steering column module
Multifunction steering wheel (2006-2008)
13 25 Left front door control unit
14 25 Right front door control unit
15 25 ESP and BAS control unit
16 10 Data link connector
Parktronic system (PTS) control unit (2006-2008)
17 5 Rotary light switch
18 7.5 Valid for transmission 711, 716: Backup lamp switch
19 5 Micromechanical turn rate sensor AY pickup
20 7.5 Restraint systems control unit
21 30 Starter relay
22 7.5 Instrument cluster
23 7.5 2006-2008: Washer nozzle heating
20 OM640 (01.09.2008→): Fuel filter condensation sensor with heating element
24 7.5 Electric power steering (ES) control unit
25 7.5 Stop light switch
ESp and BAS control unit
26 7.5 Valid for transmission 722: Electronic selector lever module control unit
27 10 Valid for transmission 722: CVT (continuously variable automatic transmission) control unit
28 5 Rotary light switch
29 30 SAM control unit
30 25 Circuit 87F relay
31 5 2006-2008:
   Central gateway control unit (→30.11.2005)
   Rotary light switch
2009-2011:
   Automatic light switch daylight sensor
   Rain/light sensor
32 7.5 M266: ME-SFI [ME] control unit
33 15 Radio
Radio and navigation unit
COMAND operating, display and control unit (Japan)
34 25 Left rear door control unit
35 25 Right rear door control unit
36 7.5 2006-2008:
   Cell phone separation point
   Trailer control unit
10 2009-2011:
   Trailer control unit
   PTS control unit
37 7.5 Restraint systems control unit
Front passenger seat occupied recognition sensor
Front passenger seat occupied and child seat recognition sensor
38 25 Front cigar lighter with ashtray illumination
39 25 Wiper motor
40 7.5 Louvered sunroof: Overhead control panel control unit
25 Lamella roof: Overhead control panel control unit
41 15 Liftgate wiper motor
42 7.5 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)
43 15 M266:
   Terminal 87M1 e connector sleeve
Bivalent natural gas drive (2009-2011):
   Terminal 87M1e connector sleeve
7.5 OM640:
   Terminal 87M1e connector sleeve
44 15 M266:
   Terminal 87M2e connector sleeve
20 OM640:
   Terminal 87M2e connector sleeve
45 25 OM640:
   CDI control unit
46 7.5 2006-2008:
   Telephone control unit, (Japan)
   E-net compensator
   Universal Portable CTeL Interface (UPCI [UHI]) control unit
25 2009-2011: Bass module speaker (Japan)
40 2009-2011: Amplifier for sound system
47 7.5 Telephone control unit, (Japan)
Universal Portable CTEL Interface (UPCI [UHI]) control unit
Cell phone separation point
Voice control system (VCS [SBS]) control unit
48 7.5 ATA [EDW]/tow-away protection/interior protection control unit
Alarm signal horn with additional battery
49 25 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)
50 7.5 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
30 Valid for government vehicles (2009-2011):
   Roof light bar
   Circuit 30 connector sleeve
51 10 Canada (2009-2011): Weight Sensing System (WSS) control unit
Valid for government vehicles (2009-2011): Special signal system control panel
52 5 VICS+ETC voltage supply separation point (Japan (→31.05.2006))
7.5 Spare (01.06.2006→)
7.5 Emergency call system control unit (USA (→31.05.2006))
53 30 Rear cigar lighter with ashtray illumination
Interior socket
54 25 Amplifier for sound system
Bass module speaker
15 Valid for government vehicles (2009-2011): 2-pin 12V socket
55 7.5 Left front lamp unit (Bi-xenon)
Right front lamp unit (Bi-xenon)
10 Left front lamp unit (Hi-xenon)
56 10 Spare
10 Right front lamp unit (Hi-xenon)
57 15 2009-2011: Trailer hitch socket (13-pin)
25 2006-2008: Audio gateway control unit (Japan)
7.5 2006-2008:
   SDAR control unit
   Emergency call system control unit (USA)
58 25 Trailer control unit
59 20 Trailer control unit (→31.05.2005)
Trailer hitch socket (13-pin) (01.06.2005→)
60 20 Driver seat connector block
61 20 Front passenger seat connector block
62 25 Circuit 15 relay (2) (SA: xenon, cell phone)
63 - Spare (→31.5.05)
25 Valid for government vehicles (2009-2011): Roof light bar
7.5 Emergency call system control unit (USA) (01.06.2005→)
SDAR control unit (01.06.2005→)
64 40 M266: Air pump relay
80 OM640:
   Engine wiring harness/engine compartment connector (2006-2008)
   Glow time output stage (2009-2011)
65 80 Electric power steering (ES) control unit
66 60 SAM control unit
67 50 Circuit 15R relay (2) (SE)
68 50 M266.920 and M266.940 with transmission 722:
   AAC with integrated control additional fan motor
60 OM640.940, OM640.941, M266.960, M266.980 and M266.920, M266.940 with Trailer Hitch:
   AAC with integrated control additional fan motor
69 50 Circuit 15R relay (1)
70 60 Circuit 15 relay (1)
71 150 OM640: PTC heater booster
72 60 2006-2008: Circuit 30 connector sleeve
2009-2011:
   Special vehicle multifunction control unit (SVMCU [MSS]) (Taxi)
   Valid for government vehicles:
      Fuse 7
      Fuse 10

Gasoline:

  • 1.5L - M266 (B150, B160, B160 BlueEFFICIENCY)
  • 1.7L - M266 (B170, B180, B180 BlueEFFICIENCY)
  • 2.0L - M266 (B170 NGT, B180 NGT BlueEFFICIENCY, B200, B200 Turbo)

Diesel:

  • 2.0L - OM640 (B180 CDI, B200 CDI)


2006-2011 Mercedes-Benz B-Class (W245) Fuse Box Diagram
Fuses Specifications
No. A Description
80 30 Special vehicle multifunction control unit
81 30 Special vehicle multifunction control unit
82 30 Special vehicle multifunction control unit
83 30 Special vehicle multifunction control unit
Relay
A Circuit 15R (2) (SA)
B Circuit 15R (1)
C Fanfare horn
D Heated rear window
E Wiper stage 1/2
F Wiper ON/OFF
G Circuit 15 (1)
H Backup 
I M266: Air pump
K Fuel pump 
L Engine circuit 87 
M Starter 
N Circuit 87F 
O Circuit 15 (2) (SA: xenon, cell phone)

Location and description of fuses and relay Mercedes-Benz B-Class with engine 1.5L - M266 (B150, B160), 1.7L - M266 (B170, B180), 2.0L - M266 (B170 NGT, B180 NGT, B200, B200 Turbo) and diesel 2.0L - OM640 (B180 CDI, B200 CDI) (W245; 2005, 2006, 2007, 2008, 2009, 2010, 2011)