Fuses and relays Mercedes E-Class (W211, 2002 - 2009)

Mercedes-Benz W211 is the third generation of E-class cars, first released in 2002. Came to replace the W210 and was produced in two body styles: sedan and station wagon. In this material, we will analyze in detail the fuse circuits for the third generation Mercedes E-class E230 in the W211 body: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 model year.

General view of the car.
Here you will find the locations and photos of the fuse blocks. Separately, we note the elements responsible for the cigarette lighter and fuel pump.

In the engine compartment

Location of the fuse box in the engine compartment of the car
There is one fuse block in the engine compartment, which is located on the right. It is circled in a red square in the picture above.


General form.

Diagram
No. Relay
I Engine management system
K Main ignition circuits 1
L Starter
M Gearbox pump - (sequential manual gearbox)
N Main ignition circuits 2
O Horn
P Main ignition circuits 3
R Air pump relay / blower motor relay oil cooler
S Active suspension compressor
T Empty
No. Circuit breakers A
F53a  Horn relay 15
F53b  15
F54a   Cigarette lighter , load disconnect relay (^ 31/05/06) 15
F54b Cigarette lighter fuse, load disconnect relay (^ 31/05/06) 15
F43 Engine management system, multifunction control unit 2 15
F44 Electronic engine control unit (ECM) (271, 272, 273, 646, 647, 648), LPG injectors (271.01 / 06/05 ^) 15
F45 Active suspension control unit (rear axle), gear selector switch (^ 31/05/06) 7.5
F46 Electronic gearbox unit (automatic transmission, sequential manual transmission) 7.5
F47 ABS electronic unit 20
F48 SRS electronic control unit, seat belt pretensioners (01/06/05 ^) 7.5
F49 SRS control unit, passenger seat sensor, head restraint drive relay (01/06/05 ^) 7.5
F50 Telephone 5
F51 -  
F52 Cooling fan motor (01/06/06 ^), instrument cluster, glove box illumination lamp, headlight range control unit (models with xenon headlights), light switch 7.5
F55 Telephone 7.5
F56 Windshield wiper motor 40
F57 Diesel: Electronic engine control unit 25
F58 Ignition coils - (112, 113, 156 engines) 15
F59 Starter relay (^ 31/05/06) 15
F60 Engine oil cooler blower motor - (E55, E63) 10
F61 Exhaust air pump - (112, 113, 642.920 engines - except E55) 40
F62 Not used
F63
F64 Light switch, instrument cluster, electronic air conditioning control unit, steering column electronics control unit (^ 31/05/06) 7.5
F65 Ignition switch control unit, steering column lock control unit 20
F66 Headlights 7.5
F67 Brake light switch (brake pedal position sensor) 5/10

In the passenger compartment

Installation location of the main fuse box in the passenger compartment
The main fuse block is located on the driver's side behind the dashboard.


Photo is an example.

Diagram
No. Decryption A
F21 Rear right door electronics control unit (^ 31/05/06) 25
F22 Right front door control unit (^ 31/05/06) 30
F23 Front right seat power control unit 30
F24 Keyless entry system control unit - interior 25
F25 Auxiliary heater, auxiliary heater remote control receiver 25
F26 CD changer for audio system 7.5
F27 Empty (^ 31/05/06)
F28 Audio system 5
F29 Steering column control unit, ignition switch control unit (01/06/06 ^) 7
F30 Diagnostic connector (DLC) 7.5
F31 Multifunction control unit 4, multifunction switch control unit - (dashboard (01/06/06 ^)
F32 Control unit for electrical equipment of the left rear door (01/09/02 - 31/05/06) 25
F33 Control unit for electrical equipment of the left front door (01/09/02 - 31/05/06) 25
F34 Front left power seat control unit 30
F35 -  
F36 Heated front seats (01/09/03 - 31/05/05) 25
F37 Suspension control unit (01/09/03 - 31/05/06) 7.5
F38 Empty (01/09/03 - 31/05/05)
F39 Multifunction control unit 5, multifunction switch control unit - (center console) 5
F40 Multifunction control unit 4, multifunction switch control unit - (dashboard (01/09/03 - 31/05/05) 5
F41 Central control unit for CAN data bus 5
F42 Electronic engine control unit, engine control system relay (01/06/05 ^), electronic control unit for the LPG system, load shedding relay (01/09/03 - 31/05/05), multifunctional control unit 1 7.5

The location of the additional fuse box in the passenger compartment
The add-on
 unit is located on the passenger side in the legroom. 

Diagram
No. Description A
F68 Coolant Heater (Diesel) 200
F69 Glow plugs 150
F70 No (01/06/06 ^)
F71 Cooling fan (Diesel) 100
F72 ABS modulator 50
F73 ABS electronic unit 40
F74 Active suspension compressor relay 40
F75 Multifunctional control unit З 40
F76 SRS electronic unit (01/06/06 ^) 40
F77 No (^ 31/05/06)

In the trunk

Installation locations of the fuse mounting blocks in the luggage compartment of the car
There are two blocks in the luggage compartment, the first (1) behind the trim, the second (2) in the spare wheel well. They are marked in the picture above with red squares.

Description of the elements in the trunk behind the trim of the Mercedes E-class W211

Photo is an example.

Diagram.
No. Circuit breakers A
F1 Power seat control unit, front left, multifunction switch on seat, right front 30
F2 Power seat control unit, right front, multifunction switch on seat, left front 30
F3 Navigation system, parking system control unit, tire pressure monitoring control unit 7.5
F4 Fuel pump fuse 15
F5 -  
F6 Audio system 40
F7 Trunk lid (tailgate) open / close drive control unit (04/03 ^) 15
F8 Vehicle tilt sensor (anti-theft system) 7.5
F9 Sunroof electric control unit 25
F10 Heated rear window 40
F11 Trunk lid (tailgate) open / close drive control unit (04/03 ^) 20
F12 Accessory Connector - (Luggage Compartment) 15
F13 Accessory Power Connector - (Interior), Lumbar Support Pump, Rear Seat Heaters (^ 03/03) 15
F14 -  
F15 Fuel filler lock actuator relay, fuel filler flap / cap motor 10
F16  Seat heater 20
F17 Trailer control unit 20
F18  Trailer electrical connector 20
F19 Lumbar support pump 20
F20 Rear window blind 7.5
No. Relay
A Fuel pump - (except E55, E63)
B main ignition circuits 4
C -
D rear window wiper motor - (station wagon)
E Heated rear window
F main ignition circuits 5
G 1/2 drive of the lock of the fuel filler neck
H
Fuse diagram in the block located in the spare wheel niche
No. Appointment A
F82a Fuel pump- (E55) 30
F82b Exhaust air system 40
F78 Engine compartment fuse / relay box - fuses F53b / F54a / F55 / F63-F65 / F67 multifunction control module 1 200
F79 Luggage compartment fuse / relay box - fuses F3 / F4 / F9 / F11, multifunction control module 2 200
F80 Engine compartment fuse / relay box - fuses F43 / F45-F47, multifunction control module 1 150
F81 Passenger compartment fuse box under dash - fuses F21-F42 150
F82 Government cars 150
F83 30
F84 Additional battery relay 5
F85 Voice activation system unit 5
F86 Accessory power connector (01/06/06 ^) 5
F87 Lumbar support pump (^ 31/05/06) 30
F88 Trunk lid open / close drive control unit, rear door electronics control unit (04/03 ^ Estate) 30
F89 Luggage compartment load control unit (station wagon) 40
F90 SRS electronic unit (01/06/06 ^) 40
F91 No (01/06/06 ^)
General layout of Mercedes E-Class W211 electronic modules
No. Component
1 ABS electronic module -> 31/05/06
2 Electronic module ABS - 01/06/06 ^
3 Antenna Signal Amplifier - Audio / Navigation System
4 Antenna amplifier 1 (TV tuner) - rear window
5 Aerial Signal Amplifier 2 (TV Tuner) - C-pillar LH (Saloon) - C-pillar LH (Estate)
6 Aerial Signal Amplifier 3 (TV Tuner) - RH pillar (Saloon) - RH pillar (Estate)
7 Impact sensor, left - behind the headlight
8 Impact sensor, right - behind the headlight
9 Side Impact Sensor Assembly, LH - B-pillar
10 Side Impact Sensor Assembly RH - B-pillar
11 Anti-theft control unit - left side of luggage compartment (combined with multifunction control unit 2)
12 Anti-theft alarm sound - behind the wheel arch trim
13 Sunlight Sensor - Windshield Upper Center
14 Additional battery -> 31/05/06 if available
15 Additional battery -> 31/05/06 if available
16 Additional heater control unit
17 Additional heater remote control receiver - right side of luggage compartment
18 Battery - under the luggage compartment floor
19 Battery Control Unit - Luggage Compartment, Under Floor
20 Trunk lid open / close drive control unit
21 CAN data bus, gateway control unit
22 Diagnostic connector (DLC)
23 Left front door control unit
24 Rear left door electrical control unit
25 Right front door control unit
26 Rear right door electronics control unit
27 Electronic engine control module - Diesel / 112/113
28 Electronic engine control module - 271
29 Electronic engine control module -272/273
30 Fuse / relay box, engine compartment
31 Fuse / relay box, end of dashboard
32 Fuse / Relay Box, Passenger Footwell
33 Fuse / Relay Box, Trunk
34 Fuse / relay box spare wheel well
35 Headlamp control unit, left (models with xenon headlights)
36 Headlamp control unit, right (models with xenon headlights)
37 Headlight range control unit - under the right front seat, under the carpet (models with xenon headlights)
38 Horn 1 - behind the grille
39 Horn 2 - behind the front bumper
40 Ignition switch control unit
41 Electronic immobilizer control module (combined with the ignition switch control unit)
42 Keyless entry system control unit behind ashtray
43 Lighting control unit - behind the headlight switch
44 Luggage compartment load control unit ( station wagon ) - under the trunk floor
45 Multifunction control module 1 - attached to the engine compartment fuse / relay box - functions: A / C pressure monitor, brake fluid level, coolant level, front lights, headlight washers, horns, interior lamps, outside temperature, windshield wipers
46 Multifunction Control Module 2 - Connected to Fuse / Relay Box, Luggage Compartment -Functions : Anti-Theft System, Tailgate / Trunk Lid Opening, Central Locking, Fuel Level, Fuel Pump, Hazard Alarm, Rear Window Defogger, Directional Indicators, Rear Lighting
47 Multifunction control module 3 - in the multifunction switch control unit (overhead console) - functions: Volume change sensors (anti-theft system), sunlight sensor, interior lighting lamps, rain sensor
48 Multifunction control module 4 - in the multifunction switch control unit (dashboard) - functions: Air conditioning control unit, central locking, alarm, rear window wiper
49 Multifunction control module 5- in multifunction switch control unit (center console) - functions: Additional heater switch, parking system, active suspension system, rear door / tailgate opener switch
50 Multifunction control module 6 - footwell, under mat - functions: coolant pump motor, fog lights, seat heaters, reversing lights, gear selector
51 Multifunction control module 7 - in the rear interior lamp (with sunroof) - functions: Interior lamps
52 Navigation system control unit
53 Ambient temperature sensor
54 Parking system control unit - luggage compartment left
55 Rain Sensor - Windshield Upper Center
56 Electric seat control unit, front left - under the seat
57 Power seat control unit, front right - under the seat
58 Headrest drive relay (01/06/05 ^)
59 Solar battery control unit - behind the instrument cluster
60 Steering column electronics control unit - behind the steering wheel
61 Steering column lock control unit - integrated in the ignition lock control unit
62 Steering wheel position sensor - in the steering column electronics control unit
63 Steering wheel heater control unit - near instrument cluster (^ 05/05)
64 Electric sunroof control unit -in the multifunction switch control unit (overhead console)
65 SRS electronic module
66 Active suspension control unit - footwell, under mat
67 Rear door open / close actuator control unit - luggage compartment, left
68 Phone antenna
69 Telephone interface control unit - under the dash, in the rear of the luggage compartment
70 Trailer control unit - left side of luggage compartment
71 Electronic transmission control module (sequential manual transmission) - legroom, under the mat
72 Electronic gearbox control module - legroom, under the mat
73 Tire pressure monitor control unit - luggage compartment, left
74 Voice activation system unit - under the panel, in the rear of the luggage compartment
75 Lateral movement sensor
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