Mercedes-Benz E-Class Fuse Box Locations and Diagrams (2003-2009)
The third-generation Mercedes-Benz E-Class (W211), produced from 2003 to 2009, is a luxury midsize sedan and wagon that blends elegance, advanced engineering, and powerful performance. Known for its cutting-edge safety features, refined interior, and a range of high-performance engine options, the W211 remains a favorite among executive car enthusiasts and Mercedes-Benz loyalists.
In this article, you will find fuse box diagrams for the Mercedes-Benz E-Class, covering models E200, E220, E230, E240, E270, E280, E300, E320, E350, E400, E420, E500, E550, E55 AMG, and E63 AMG for the years 2003, 2004, 2005, 2006, 2007, 2008, and 2009. These diagrams provide crucial insights into the fuse layout, helping vehicle owners, mechanics, and technicians locate and understand the function of each fuse and relay.
What’s Included:
Fuse Box Diagrams – Clear and detailed visuals to help identify fuses, relays, and circuit breakers.
Fuse Panel Locations – Step-by-step guidance on where to find the fuse panels inside the Mercedes-Benz E-Class.
Fuse Assignments – Comprehensive descriptions of each fuse and relay function for accurate diagnostics and troubleshooting.
Whether you’re searching for the fuse panel layout, replacing a blown fuse, or diagnosing an electrical issue, this guide is an essential resource. It ensures that your Mercedes-Benz E-Class’s electrical system remains functional and reliable for daily commuting, long-distance travel, and high-performance driving.
Keep your Mercedes-Benz E-Class (2003–2009) in top condition with this detailed fuse box, fuse panel, and relay guide!
The cigar lighter/power outlet fuses in the Mercedes-Benz E-Class are:
The fuse box is located on the driver’s side of the instrument panel, behind the cover.
Fuse box diagram
Assignment of the fuses in the instrument panel
№
Fused function
Amp
Feed-in: Rear prefuse box
150
21
Right rear door control unit
25/30
22
Right front door control unit
25/30
23
Front passenger front seat adjustment control unit with memory
30
24
Circuit 30 connector sleeve, Keyless Go
25
25
Stationary heater unit
25
25
In addition fused via polyswitch fuse for stationary heater: Stationary heater radio remote control receiver
5
26
CD changer
7.5
27
Terminal 15 relay (as of 2007)
5
28
Radio COMAND operating, display and control unit
5
28
Radio control panel and navigation unit COMAND operating, display and control unit
15
29
Steering column module EIS [EZS] control unit
7.5
29
up to 2006: DC/DC converter control unit
15
30
Data link connector
7.5
31
Upper control panel control unit Cutoff relay for interruptible loads (2006-2007)
5
31
up to 2006: Driver-side SAM control unit with fuse and relay module
7.5
32
Left rear door control unit
30
33
Left front door control unit
30
34
Driver-side front seat adjustment control unit, with memory
30
35
WSS (Weight Sensing System) control unit (as of 2007; USA)
5
36
Heated seats and seat ventilation control unit
25
37
AIRmatic with ADS control unit
15
38
NECK-PRO head restraints relay
7.5
39
Lower control panel control unit
5
40
Heated seats and seat ventilation control unit
10
40
up to 2006: Upper control panel control unit
5
41
Central gateway control unit
5
42
Cutoff relay for interruptible loads (up to 2006) ME-SFI [ME] control unit Valid for engine 629, 642, 646 EVO:Terminal 87 relay, engine Driver-side SAM control unit with fuse and relay module (engine 271, 272, 628, 629, 642, 646, 647, 648) CNG control unit (engine 271)
The fuse box is located in the engine compartment (left-side), under the cover.
Fuse box diagram
Assignment of the fuses and relay in the engine compartment
№
Fused function
Amp
43
Valid for engine 112, 113, 156, 271, 272, 273:ME-SFI [ME] control unit Valid for engine 271, 272, 273:ME control unit Valid for engines 628, 629, 642, 646, 647, 648: CDI control unit Driver-side SAM control unit with fuse and relay module Rear SAM control unit with fuse and relay module Valid for engine 629, 642, 646, 647, 648: CDI control unit Rear SAM control unit with fuse and relay module
15
44
Valid for engine 646, 647, 648: CDI control unit Valid for engine 271, 272, 273: ME-SFI [ME] control unit Valid for engine 271 (Bivalent natural gas drive): Cyl. 1-4 gas injection valve
15
45
AIRmatic with ADS control unit Electronic selector lever module control unit (Automatic five-speed transmission (NAG)) Rear axle level control system control unit Gear recognition switch (Sequentronic automated manual transmission (SEQ))
7.5
46
ETC [EGS] control unit (Automatic 5-speed transmission (NAG)) VGS electric control unit (automatic 7-speed transmission) Automated manual transmission control unit (Sequentronic automated manual transmission (SEQ))
7.5
47
ESP, SPS [PML] and BAS control unit
5
48
Restraint systems control unit Left front reversible emergency tensioning retractor (as of 2007) Right front reversible emergency tensioning retractor (as of 2007)
7.5
49
Restraint systems control unit Front passenger seat occupied and child seat recognition sensor NECK-PRO head restraints relay
7.5
50
Portable CTEL separation point VICS power supply separation point Emergency call system control unit
5
51
Spare
5
52
Exterior lamp switch Instrument cluster Glove compartment illumination with switch AAC with integrated control additional fan motor (as of 2007) Bi-xenon headlamp unit:Headlamp range adjustment control unit
7.5
53a
Spare
15
53b
Fanfare horn relay
15
54a
Illuminated cigar lighter
15
54b
Illuminated cigar lighter
15
55
Telephone handset (up to 2007) Bluetooth module connector (up to 2007) Portable CTEL separation point Emergency call system control unit (as of 2007)
7.5
56
Wiper motor
40
57
Valid for engine 628, 646, 647, 648:CDI control unit Valid for engine 271, 272, 273: ME-SFI [ME] control unit Purge control valve PremAir Sensor USA version:Activated charcoal canister shut-off valve
25
58
Valid for engine 112, 113, 156: Cylinder 1-8 ignition coil
15
59
Starter relay
15/20
60
Oil cooler fan (E55 AMG, E63 AMG)
10
61
Electric air pump
40
62
SEQ pump control relay (Sequentronic automated manual transmission (SEQ))
30
63
Automated manual transmission control unit (Sequentronic automated manual transmission (SEQ)) Valid for engines 112, 113: Circuit 87 relay, engine ME-SFI [ME] control unit
15
64
Exterior lamp switch Instrument cluster AAC [KLA] control and operating unit Comfort AAC [KLA] control and operating unit Steering column module (up to 2007)
7.5
65
IS [EZS] control unit Electric steering lock control unit
20
66
Right front lamp unit Left front lamp unit HRA [LWR] selector wheel (as of 2007) Bi-xenon headlamp unit: HRA power module
