Mercedes-Benz W211 is the third generation of E-Class cars, first released in 2002. It replaced the W210 and was produced in two body variants: sedan and station wagon. In this article we will understand in detail fuse box diagrams Mercedes E-class W211 E230 (3rd Gen) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 years of manufacture..
Here you will find the locations and photos of the mounting blocks. Also, we will separately mark the fuses responsible for the cigarette lighter and the fuel pump.
In the engine compartment
There is one mounting block located in the underhood area, which is on the right side. It is circled with a red square in the picture above.
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Relay | |
| I | Engine management system | |
| K | Main ignition circuits 1 | |
| L | Starter | |
| M | Transmission pump - (sequential gearbox) | |
| N | Main ignition circuits 2 | |
| O | Horn (beep) relay | |
| 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 system control unit (rear axle), transmission gear selection switch (^31/05/06) | 7.5 |
| F46 | Electronic transmission unit (automatic transmission, sequential transmission) | 7.5 |
| F47 | ABS electronic unit | 20 |
| F48 | SRS electronic control unit, seat belt pretensioners (01/06/05^) | 7.5 |
| F49 | SRS electronic control unit, seat occupant sensor, head restraint actuator relay (01/06/05^) | 7.5 |
| F50 | Telephone | 5 |
| F51 | - | |
| F52 | Cooling fan motor (01/06/06^), instrument cluster, dashboard illumination lamp, headlight corrector control unit (xenon headlight models), 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 system 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 electrical control unit (^31/05/06) | 7.5 |
| F65 | Ignition switch control unit, steering column lock control unit | 20 |
| F66 | Headlights | 7.5 |
| F67 | Stop lamp switch (brake pedal position sensor) | 5/10 |
In the passenger compartment
Here there are two units responsible for the protection of the vehicle's electrical circuits.
Main fuse box
The main wiring block is located on the driver's side behind the instrument panel.
General view of the Mercedes W211 interior fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Decryption | A |
| F21 | Right rear door electrical control unit (^31/05/06) | 25 |
| F22 | Right front door electrical 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 | Left rear door electrical control unit (01/09/03-31/05/06) | 25 |
| F33 | Left front door electrical control unit (01/09/03-31/05/06) | 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 management system relay (01/06/05^), electronic control unit for gas supply system, load disconnect relay (01/09/03-31/05/05/05), multifunction control unit 1 | 7.5 |
Auxilary fuse panel
The auxiliary fuse box is located on the passenger side in the footwell.
| 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 luggage compartment
There are two units in the luggage compartment, the first (1) behind the trim and the second (2) in the spare wheel well. They are marked with red squares in the picture above.
Fuse box #1
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Circuit breakers | A |
| F1 | Power seat control unit, left front, 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 | Mercedes W211 Fuel pump fuse | 15 |
| F5 | - | |
| F6 | Audio system | 40 |
| F7 | Trunk lid (tailgate) opening/closing actuator control unit (04/03^) | 15 |
| F8 | Vehicle tilt sensor (anti-theft system) | 7.5 |
| F9 | Sunroof electric control unit | 25 |
| F10 | Rear window heater | 40 |
| F11 | Trunk lid (tailgate) opening/closing actuator 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 flap lock actuator relay, fuel filler flap / cover electric actuator | 10 |
| F16 | Seat heater | 20 |
| F17 | Trailer control unit | 20 |
| F18 | Trailer electrical connector | 20 |
| F19 | Lumbar support adjustment pump | 20 |
| F20 | Rear window blind | 7.5 |
| No. | Relay | |
| A | Fuel pump relay - (except E55, E63) | |
| B | main ignition circuits 4 | |
| C | - | |
| D | rear window wiper motor - (station wagon) | |
| E | Rear window heating | |
| F | main ignition circuits 5 | |
| G | 1/2 fuel filler neck lock actuator | |
| H | ||
Fuse box #2
It's located in the spare tire compartment.
| Diagram | ||
|---|---|---|
|
||
| No. | Appointment | A |
| F82a | Fuel pump - (E55) | 30 |
| F82b | Exhaust air supply 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 opening/closing actuator control unit, tailgate electrical control unit (04/03^ station wagon) | 30 |
| F89 | Luggage compartment load control unit (station wagon) | 40 |
| F90 | SRS electronic unit (01/06/06 ^) | 40 |
| F91 | Empty (01/06/06 ^) | |
All electrical equipment
General layout of electronic modules in Mercedes W211.
1. ABS electronic module->31/05/06;
2. Electronic module ABS->01/06/06/06^;
3. Antenna signal amplifier - audio/navigation system;
4. Antenna signal amplifier 1 (TV tuner) - rear window;
5. Antenna signal amplifier 2 (TV tuner) - left rear pillar (sedan) - left rear door pillar (station wagon);
6. Antenna signal amplifier 3 (TV tuner) - right rear pillar (sedan) - right tailgate pillar (station wagon);
7. Impact sensor, left - behind the headlamp;
8. Impact sensor, right - behind the headlamp;
9. Side impact sensor assembly, left - center pillar;
10. Side impact sensor assembly, right - center pillar;
11. Anti-theft alarm system control unit - left-hand side of luggage compartment (combined with multifunction control unit 2);
12. Anti-theft alarm system buzzer - behind the wheel arch cover;
13. Sunlight sensor - upper center part of the windshield;
14. Additional battery -> 31/05/06, if available;
15. Additional battery -> 31/05/06, if available;
16. Control unit for auxiliary heater;
17. Remote control receiver for the auxiliary heater - right-hand side of the luggage compartment;
18. Battery - under the luggage compartment floor;
19. Battery control unit - luggage compartment, under the floor;
20. Trunk lid opening/closing actuator control unit;
21. CAN data bus, gateway control unit;
22. Diagnostic connector (DLC);
23. Left front door electrical control unit;
24. Left rear door electrical control unit;
25. Right front door electrical control unit;
26. Right rear door electrical 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, instrument panel end;
32. Fuse/relay box, passenger footwell;
33. Fuse box/relay, luggage compartment;
34. Fuse box/relay spare wheel well;
35. Headlamp control unit, left (models with xenon headlamps);
36. Headlamp control unit, right (models with xenon headlamps);
37. Headlamp corrector control unit under the right front seat, under the mat (Xenon headlamp models);
38. Horn 1 - behind the radiator grille;
39. Horn 2 - behind the front bumper;
40. Ignition switch control unit;
41. Electronic immobilizer control module (combined with ignition switch control unit);
42. Keyless entry control unit - behind the ashtray;
43. Lighting control unit - behind the headlight switch;
44. Luggage compartment load control unit (station wagon) - under the luggage compartment floor;
45. Multifunction control module 1 - attached to the fuse/relay box in the engine compartment - functions: Air conditioning pressure control, brake fluid level, coolant level, front lights, headlight washers, horn, 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, emergency alarm, rear window heater, turn indicators, tail lights;
47. Multifunction control module 3 - in the multifunction switch control unit (overhead console) - functions: Volume change sensors(anti-theft system), sunlight sensor, interior lamps, rain sensor;
48. Multifunction control module 4- in the multifunction switch control unit (instrument panel) - functions: Air conditioning control unit, central locking, emergency alarm, rear window wiper;
49. Multifunction control module 5- in the multifunction switch control unit (center console) - functions: Auxiliary heater switch, parking system, active suspension system, tailgate/trunk lid opening actuator switch;
50. Multifunction control module 6 - footwell, under the mat - functions: Coolant pump motor, fog lights, seat heaters, reversing lights, gear selector switch;
51. Multifunction control module 7 - in the rear passenger compartment light bulb (with transparent roof) - functions: Interior light bulbs;
52. Navigation system control unit;
53. Ambient air temperature sensor;
54. Parking system control unit - left-hand side of the luggage compartment;
55. Rain sensor - top center of windshield;
56. Power seat control unit, front left seat - under the seat;
57. Power seat control unit, front right - under the seat;
58. Head restraint relay(01/06/05^);
59. Solar control unit behind the instrument cluster;
60. Steering column electrical control unit- behind the steering wheel;
61. Steering column lock control unit - integrated in the ignition switch control unit;
62. Steering wheel position sensor-in the steering column electrical control unit;
63. Steering wheel heating control unit - near the instrument cluster (^05/05);
64. Electric sunroof control unit-in the multifunction switch control unit (roof console);
65. SRS electronic module;
66. Active suspension control unit - footwell, under the floor mat;
67. Rear door open/close actuator control unit-left side of luggage compartment;
68. Telephone antenna;
69. Phone interface control unit-under the panel, rear part of the luggage compartment;
70. Trailer electrical control unit - left-hand side of the luggage compartment;
71. Electronic transmission control module (sequential transmission) - footwell, under the mat;
72. Electronic transmission control module - footwell, under the mat;
73. Tire pressure monitoring system control unit - left-hand side of the luggage compartment;
74. Voice activation system control unit - under the panel, in the rear part of the luggage compartment;
75. Side movement sensor.
