Mercedes-Benz E-Class W211 Fuse Box Diagram [2003-2009]

This article provides fuse box diagrams for the Mercedes-Benz E-Class W211, model years 2003-2009. The fuse box diagrams show the location of all the fuses in the car, as well as their corresponding amperage ratings. You’ll find invaluable information about where to locate the fuse panels inside the car. Each fuse and relay’s function is elaborately explained, giving you a clear understanding of the fuse box layout in these iconic Mercedes-Benz vehicles.

To find the fuse you need, consult the fuse box diagram and locate the fuse that is associated with the circuit that is not working. Once you have located the fuse, you can remove it and replace it with a fuse of the same amperage rating. Be sure to consult your E-Class owner’s manual for more information on replacing fuses.

In this detailed guide, we explore the world of the third-generation Mercedes-Benz E-Class (W211) that was in production from 2003 to 2009. This article offers a tailored approach, providing fuse box diagrams for a range of models including E200, E220, E230, E240, E270, E280, E300, E320, E350, E400, E420, E500, E550, E55, and E63, covering the years 2003 to 2009.

Engine Compartment Fuse Box

You can locate the fuse box in the left section of the engine compartment, carefully hidden under a protective cover. This placement ensures that essential electrical components are shielded from the elements. When you need to access it for maintenance or troubleshooting, removing the cover provides a straightforward way to reach the fuses. It’s designed for practicality, allowing car owners to manage their vehicle’s electrical systems efficiently and ensuring that everything runs smoothly under the hood.

Fuse Number	Protected Components	Amp. Rating
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	7.5
67	Stop light switch	5
	Relay
I	Terminal 87 relay, engine
K	Terminal 87 relay, chassis
L	Starter relay
M	SEQ pump control relay
N	Terminal 15 relay
O	Fanfare horn relay
P	Terminal 15R relay
R	Air pump relay (except engine 113.990 (E55 AMG), 156.983 (E63 AMG)) Oil cooler fan (only engine 113.990 (E55 AMG), 156.983 (E63 AMG))
S	Airmatic relay

Front Pre-Fuse Box

Fuse Number	Protected Components	Amp. Rating
	Feed-in: Battery (G1)
68	Valid for engine 629, 642, 646, 647, 648:Heater booster	200
69	Valid for engine 629, 642, 646 EVO:Glow time output stage	150
70	External start terminal point	–
71	Valid for engine 112, 113, 156, 271, 272, 273, 629, 642, 646, 647, 648:AAC with integrated control additional fan motor	150
71	Valid for engine 629, 642, 646 EVO:Engine and AC electric suction fan with integrated control	100
72	Traction system hydraulic unit	50
73	Traction system hydraulic unit as of 2007: ESP control unit	40
74	AIRmatic relay	40
75	Right SAM control unit	40
76	Right front reversible emergency tensioning retractor Engine 113.990 (E 55 AMG): Air injection relay	40
77	Blower motor Heating systems recirculation unit Solar generator control unit	40

Rear Pre-fuse Box

Fuse Number	Protected Components	Amp. Rating
	Feed -in: Battery
78	Driver-side SAM control unit with fuse and relay module	200
79	Rear SAM control unit with fuse and relay module	200
80	Driver-side SAM control unit with fuse and relay module	150
81	Interior fuse box	150
82	Valid for engine 113.990 (E55 AMG), 156.983 (E63 AMG):Fused via terminal 30 connector sleeve: Fuse F82A and F82B	150
F82A	Fuse for left fuel pump control unit (156.983 (E63 AMG)) Fuse for right fuel pump control unit (156.983 (E63 AMG))	40
F82A	Fuel pump relay (113.990 (E55 AMG), 156.983 (E63 AMG))	30
F82B	Air injection relay fuse	40
83	Taxi version: Special vehicle multifunction control unit (SVMCU [MSS])	30
84	Battery sensor	5
85	Telephone interface Universal Portable CTEL Interface (UPCI [UHI]) control unit Hands-free system control unit Voice control system control unit	5
86	Interior socket (5A – up to 2003; 30A – 2004-2006; 5A – as of 2007)	5/30
86	USA versiom: SDAR control unit	5
86	Valid for government vehicles: Special vehicle multifunction control unit (SVMCU [MSS]) Taxi version: Special vehicle multifunction control unit (SVMCU [MSS])	30
87	Pneumatic pump for dynamic seat control	30
88	TLC [HDS] control unit Rear-end door closing control unit	30
89	Loading floor control unit	40
90	Left front reversible emergency tensioning retractor Special vehicle multifunction control unit (SVMCU [MSS])	40
90	Up to 02/03 for engine 113.990 (E55 AMG): Fuel pump relay	30
91	Special vehicle multifunction control unit (SVMCU [MSS])	40

Instrument Panel Fuse Box

The fuse box is conveniently situated on the driver’s side of the instrument panel, cleverly tucked away behind a protective cover. This strategic placement ensures easy access for drivers, allowing them to quickly locate and inspect the fuses. By being positioned within arm’s reach on the driver’s side, it simplifies the process of checking and replacing fuses when necessary. This user-friendly design feature enhances the overall convenience and accessibility of the vehicle’s electrical components, ensuring that essential maintenance tasks can be performed efficiently and without hassle.

Fuse Number	Protected Components	Amp. Rating
	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 engines 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)	7.5

Luggage Compartment Fuse Box

The fuse box is neatly positioned on the left side of the luggage compartment, discreetly concealed behind a protective cover. This thoughtful placement ensures that it’s easily accessible while also being inconspicuous, maintaining the aesthetics of the vehicle’s interior. This strategic location shields the fuse box from potential damage while allowing for convenient inspection and replacement of fuses. Whether you’re troubleshooting electrical issues or simply performing routine maintenance, the fuse box’s placement emphasizes practicality, ensuring that essential components are both secure and readily available when needed.

Fuse Number	Protected Components	Amp. Rating
1	Front passenger partially-electric seat adjustment switch Driver-side front seat adjustment control unit, with memory	30
2	Driver partially-electric seat adjustment switch Passenger-side front seat adjustment control unit with memory	30
3	Tire pressure monitor control unit PARKTRONIC control unit TV combination tuner (analog/digital) Navigation processor	7.5
4	Except engine 113.990 (E55 AMG), 156.983 (E 63 AMG):Fuel pump	15/20
4	Engine 113.990 (E55 AMG): Charge air cooler circulation pump	15
5	–	–
6	Audio gateway control unit	40
7	Rear-end door control unit	15
8	Left antenna amplifier module ATA [EDW] inclination sensor Alarm horn	7.5
9	Overhead control panel control unit	25
10	Heated rear window	40
11	Rear-end door control unit	20
12	Cargo area connector box	15
13	Interior socket	15
14	–	–
15	Fuel filler flap CL [ZV] motor	10
16	Seat heating and seat ventilation control unit	20
17	Trailer connection unit control unit	20
18	Trailer connection unit control unit	20
19	Multicontour seat pneumatic pump	20
20	Rear window roller blind relay	7.5
	Relay
A	Fuel pump relay (except engine 113.990 (E55 AMG), 156.983 (E 63 AMG)) Engine 113.990 (E55 AMG): Charge air cooler circulation pump relay
B	Relay 2, terminal 15R
C	Spare relay 2
D	Rear wiper relay
E	Heated rear window relay
F	Relay 1, terminal 15R
G	Fuel filler cap polarity reverser relay 1
H	Fuel filler cap polarity reverser relay 2

Cigar lighter (power outlet) fuses in the Mercedes-Benz E-Class are the fuses #54a, 54b (cigar lighters) in the Engine Compartment Fuse Box, and fuse #13 (Interior socket) in the Luggage Compartment Fuse Box.