Mercedes-Benz W245 is a series of small compact B-class cars of the German company, introduced in 2005. In this material, we will analyze in detail the Mercedes fuse circuits in the W245 body 1st generation B-class (B160, B170, B180, B200) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 release.
Here you will find the locations and diagrams of the fuse blocks. Separately, we note the elements responsible for the cigarette lighter and fuel pump.
In the passenger compartment
Fuse box
Located in the front passenger's footwell. To access it, you need to remove the floor cladding.
Photo is an example.
Diagram
No.
A
Description
1
10
2005-2008: Brake light switch
5
2008-2012 and 2005-2008 with code U58: Brake light switch
2
25
Heated rear window
3
7.5
Instrument cluster
EZS module
4
15
EZS module
Electronic steering lock module
5
7.5
HAU module
KLA module (automatic air conditioning)
6
15
sound signal
7
25
Fuel block (fuel pump) with fuel level sensor
8
25
Overhead control panel
9
40
ESP and BAS control module
10
40
Fan motor
11
30
Engine 266: Relay el. terminal 87 circuits, motor
40
Engine 640: Relay el. terminal 87 circuits, motor
12
5
Steering column electronics
Multifunction steering wheel
13
25
Front Left Door Control Module
14
25
Front Right Door Control Module
15
25
ESP and BAS control module
16
ten
Diagnostic connector
PTS control module (parktronic, 2005-2008)
17
5
Rotary switch for outdoor lighting
18
7.5
Gearbox 711, 716: Reverse light switch
19
5
Micromechanical yaw rate sensor AY
20
7.5
Passive safety system control module
21
30
Starter
22
7.5
Instrument cluster
23
20
Engine 640 (from 1.9.08): Fuel filter condensate sensor with heating element
7.5
2005-2008: Heated washer nozzles
24
7.5
Electric Power Steering (ES) Control Module
25
7.5
Brake light switch
ESP and BAS control module
26
7.5
KP 722: Selector lever electronics control unit
27
10
KP 722: Electric control module CVT (continuously variable automatic transmission)
28
5
Rotary switch for outdoor lighting
29
30
SAM control module
30
25
Relay el. circuit terminal 87F
31
5
Rotary switch for outdoor lighting
Central interface module (vehicles up to 30.11.05)
32
7.5
Engine 266.920: Module ME
33
15
Audio system
Audio module and navigation box
Control panel COMAND
34
25
Rear left door module
35
25
Rear right door module
36
10
2008-2012 : PTS module (parking sensors)
7.5
2005-2008: Trailer module
Electrical connector mobile phone chain
37
7.5
Passive safety system control module
Front passenger seat passenger / child seat recognition sensor
Front passenger seat occupied recognition system
38
25
Front cigarette lighter fuse Mercedes 245
39
25
Wiper motor
40
25
Sectional roof: Overhead control panel (sunroof motor)
7.5
Overhead control panel
41
15
Tailgate wiper motor
42
7.5
Glove box lighting with microswitch
Vanity mirror lighting left and right
Pedal depression control sensor (package for driving school)
Footwell light switch (driving school bag)
Pluggable connection VICS + ETC power supply (Japan)
UHI Module (Universal Mobile Phone Interface) (2005-2008)
GSM 1800 network compensator (2005-2008)
Telephone control module (Japan, 2005-2008)
47
7.5
Electrical connector mobile phone chain
UHI Control Module (Universal Mobile Phone Interface)
Voice control system control module (2005-2008)
Telephone control module (Japan, 2005-2008)
48
7.5
EDW control unit / towing protection / interior protection systems
Alarm siren
49
25
Front Left Seat Cushion Heating Element (2005-2008)
Front Left Seat Backrest Heating Element (2005-2008)
Front Right Seat Cushion Heating Element (2005-2008)
Front Right Seat Backrest Heating Element (2005-2008)
50
7.5
Multimedia Interface Control Module (2008-2012)
Digital TV Tuner (2008-2012)
Digital sound broadcasting system module (2008-2012)
CD changer (2005-2008)
VICS + ETC power supply plug-in connection (Japan, 2005-2008)
30
Service vehicles: Roof beam
Cable lug electr. terminal 30 circuits
51
10
Passenger Weight System (WSS) Control Module (Canada)
Control panel for special signaling system (service vehicles)
52
7.5
Emergency call system control module (vehicles up to 31.5.06)
5
VICS + ETC power supply connector (Japan, vehicles up to 31.5.06)
53
30
Salon socket
Rear cigarette lighter fuse w245
54
15
Service vehicles: 2-pin 12V socket
25
Speaker amplifier (2005-2008)
Woofer (2005-2008)
55
10
Front left headlamp
56
10
Front right headlamp
57
15
AHV trailer coupling, 13-pin (2008-2012)
20
audio interface (Japan. 2005-2008)
7.5
emergency call system
SDAR
58
25
Trailer control unit
59
20
AHV trailer coupling, 13-pin
Trailer control unit (vehicles up to 31.5.05)
60
20
Driver's seat contact strip
61
20
Front passenger seat contact strip
62
40
2008-2012: Relay el. terminal 15 (2) circuits (accessories: xenon headlights, mobile phone)
25
2005-2008: Relay el. terminal 15 (2) circuits (accessories: xenon headlights, mobile phone)
63
7.5
SDAR (Canada)
25
Roof beam (company cars)
64
40
Engine 266: Air Pump Relay
80
Engine 640: End of glow plug time
65
80
Electric power steering (ES) control unit
66
60
SAM control unit
67
50
Relay el. terminal 15R (2) circuits (accessory)
68
50
Standard equipment (2008-2012): Electric suction fan for engine and air conditioning with integrated regulator (2005-2008: (valid for engines 266.920 and 266.940 with gearbox 722))
60
Special equipment (2008-2012): 2005-2008: (valid for engines 640.940, 640.941, 266.960, 266.980 and engines 266.920, 266.940 with code (550): Trailer coupling))
69
50
terminal 15R circuits (1)
70
60
terminal 15 circuits (1)
71
150
Engine 640: PTC Auxiliary Heater
72
60
2005-2008: handpiece electr. terminal 30 circuits
Service vehicles: Fuse 7 (F7f7) and 10 (F7f10)
Taxi: Multifunctional Unit (MSS)
Relay box
An additional mounting block K100 with relay modules is located under the dash.
For access:
1. Remove the lining under the glove compartment.
2. Dismantle the panel near the door.
3. Move the floor sheathing to the side.
Diagram
No.
Description
A
Relay, circuit 15R (2) (SA)
B
Circuit 15R relay (1)
C
Signal
D
Heated rear window
E
1/2 wiper speed
F
Turning on / off the wiper
G
Circuit 15 (1)
H
Reserve
I
Motor 266: air pump
K
Fuel pump relay (gasoline)
L
Engine circuit 87 relay
M
Starter
N
Relay, circuit 87F
O
Relay, circuit 15 (2) (SA: xenon, cell phone)
No.
Appointment
A
80-
81
Special equipment
30
General arrangement
Location of the electrical equipment.
No.
Component
1
ABS module
2
Heater / A / C blower motor resistor
3
Air conditioning / heater control module - behind the air conditioning / heater control panel
4
Air Conditioning / Heating Humidity Sensor - on the resonator of the intake system
5
Roof antenna
6
7
shock sensor, driver's side
8
shock sensor, passenger side
9
Anti-theft control unit
10
Anti-theft siren - on the resonator of the intake system
11
Sun sensor
12
Audio Amplifier - Behind Right Rear Side Trim Panel
13
Additional heater control module - in the air conditioner control panel
14
Battery - legroom
15
CAN data bus, gateway control unit, audio system - behind the rear right side trim panel
16
CAN data bus, gateway control unit - behind the dashboard
17
Compass control unit - behind the instrument cluster
18
Diagnostic connector (DLC)
19
Driver's door electrical control unit - in the door
20
Control unit for electrical equipment of the left rear door-in the door
21
Control unit for electrical equipment of the right rear door - in the door
22
Passenger door-in-door electrical control unit
23
ECU engine-Diesel
24
ECU - gasoline
25
Relay box, instrument panel
26
Fuse box, legroom
27
Xenon headlamp control unit, left - under the left headlight
28
Xenon headlamp control unit, right - under the right headlight
29
Headlight range control motor, left
30
Headlight range control motor, right
31
Horn
32
Ignition switch control module
33
ECU immobilizer - in the ignition switch control unit
Very helpful