Mercedes-Benz  S-Class w220 (1998 – 2005) – fuse box diagram

Mercedes-Benz  S-Class w220 (1998 – 2005) – fuse box diagram

Year of production: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005

Fuse and relay box in engine compartment on left

Mercedes-Benz S-Class w220 – fuse box diagram – engine compartment (left)
Mercedes-Benz S-Class w220 – fuse box diagram – engine compartment (left)
Number A Description
1 40 Wiper park heater relay
Special version: Not used
2 50 High pressure and return pump relay
3 15 Steering wheel adjustment, horizontal:
S relay 1, jacket tube longitudinal adjustment
S relay 2, jacket tube longitudinal adjustment
4 15 Steering wheel adjustment, vertical:
S relay 1, jacket tube, height adjustment
S relay 2, jacket tube height adjustment
5 40 Wiper On and Off relay
6 7,5 up to 31.8.02: Heater booster switch
as of 1.9.02: Not used
5 Special version: Hydraulic brake
7 7,5 Special version: 2nd three-phase alternator
8 40 Special version: Hydraulic brake
9 30 up to 31.8.03:
Valid for air suspension:

AIRmatic with ADS control module
   Valid for Active-Body-Control (ABC):
ABC control module
Special version: ADS, suspension contro
20 as of 1.9.03:
Valid for air suspension:

AIRmatic with ADS control module
   Valid for Active-Body-Control (ABC):
ABC control module
10 15 Special version:
Windshield wiper water pump
Windshield washer water pump
Circuit 15 connector sleeve
Ignition coils
11 15 up to 31.8.02: Front cigar lighter with ashtray illumination
5 as of 1.9.02: VICS power supply separation point X137
12 7,5 up to 31.8.02: Sensor for vehicle-sensitive seat belt lock
as of 1.9.02: Not used
Special version:
Sensor for left side airbag and window airbag
Sensor for right side airbag and window airbag
13 40 Left front door control module
14 5 Special version: Hydraulic brake
15 40 Special version: Hydraulic brake
16 7,5 Stop light switch
17 7,5 C215: Vehicle-sensitive seat belt lock sensor
18 5 Valid for D-net portable CTEL (D2B) (preinstallation):
Portable CTEL connector
Valid for MB D-net telephone (D2B):
D2B interface for permanently installed telephone
Valid for MB D-net telephone (D2B) with Tele Aid emergency call system:
TELE AID control module
Valid for MB D-net telephone (D2B) with E-call emergency call system:
D2B-Interface fixed installation
Frequency selector control module
Emergency call control module
19 5 up to 31.8.02: Not used
as of 1.9.02:
Left front reversible emergency tensioning retractor (W220)
Right front reversible emergency tensioning retractor (W220)
7,5 Special version: Instrument cluster
20 5 up to 31.8.02:
Instrument cluster
Datalink connector
as of 1.9.02: Not used
7,5 Special version:
Diagnostic cables connector sleeve:
Instrument cluster
Data link connector
Separation point
Compact wiring harness/diagnosis module II, cockpit
Intermediate connector
Diagnosis/taillamp wiring harness 16-pin
Measuring connector
Data link connector
21 5 up to 31.8.02: Instrument cluster
as of 1.9.02: Not used
7,5 Special version:Instrument cluster
22 5 up to 31.8.02: Instrument cluster
15 as of 1.9.02: COMAND operating, display and control unit
7,5 as of 1.9.03; Japan version: COMAND operating, display and control unit
Special version:Instrument cluster
23 10 up to 31.8.02:
Climate control:
AAC [KLA] control and operating module
Circulation pump
Left duovalve
Right duovalve
7,5 as of 1.9.02 up to 31.8.03: TV tuner
as of 1.9.02:
Operating and display unit rear screen
CD player with changer (in luggage compartment)
24 10 up to 31.8.02: Diagnostic connector
20 as of 1.9.02: Audio gateway control module
10 Special version:
Diagnostic cables connector sleeve:
Instrument cluster
Data link connector
Separation point
Compact wiring harness/diagnosis module II, cockpit
Intermediate connector
Diagnosis/taillamp wiring harness 16-pin
Measuring connector
Data link connector
25 25 up to 31.8.02: Not used
as of 1.9.02: Sound amplifier`
10 Special version: Jacket tube module
26 10 up to 31.8.02: Upper control panel control module
as of 1.9.02: Not used
27
Relay
A Wiper park heater relay
B Relay for c.15
C Relay for c.15R
D Steering column forward/back adjustment relay 1
E Steering column forward/back adjustment relay 2
F High pressure and return pump relay
G Wiper position 1 and 2 relay
H Wiper on and off relay
I Steering column height adjustment relay 1
J Steering column height adjustment relay 2
V Special version: Brake booster hydraulic unit relay
W Special version: Brake booster hydraulic unit safety relay

Fuse and relay box in engine compartment on right

Mercedes-Benz S-Class w220 - fuse box diagram - engine compartment (right)
Mercedes-Benz S-Class w220 – fuse box diagram – engine compartment (right)
Number A Description
28 15 Fanfare horns relay
29 20 Motor electronics/chassis relay
10 Special version: Motor electronics/chassis relay
30 20 Motor electronics/chassis relay
31 40 Air pump relay
32 40 Air compressor relay
33 40 Heating systems recirculation unit
60 Special version: Electric suction-type fan
34 5 up to 31.8.02:
Traction system control module:
Control module for ESP, SPS and BAS (electronic stability program (ESP), speed sensitive power steering (SPS), brake assist (BAS))
10 as of 1.9.02:
Traction system control module:
Control module for ESP, SPS and BAS (electronic stability program (ESP), speed sensitive power steering (SPS), brake assist (BAS))
35 up to 31.8.02: Not used
15 as of 1.9.02: Valid for steering wheel heater: DC/DC converter control unit
40 Special version:
Heating systems recirculation unit
Blower regulator
Blower motor
36 7,5 with Distronic: DTR control module
37 15 ETC [EGS] control unit
Electronic selector lever module control unit
VGS electric control unit
38 5 USA version:Luggage compartment interior button (KIT)
39 40 Right front door control module
40 10 With Xenon headlamps :
Headlamp range adjustment control module
41 20 With stationary heater:
STH radio remote control receiver
STH heater unit (C215)
STH heater unit or heater booster heater unit (W220)
42 20 Auxiliary air unit relay
Special version:
Transmission oil fan motor relay
Engine oil fan unit: Temperature switch (100 °C)
43 25 Diesel engine only:
CDI control module
Starter relay, right front fuse and relay module
    Fuel pump relay (OM648 only)
44 7,5 OM613:
CDI control module
Intake manifold heating, right front fuse and relay module
10 OM628:
CDI control module
Starter relay, right front fuse and relay module
Engine and AC electric suction fan with integrated control
Charge fan circulation pump
OM648:
CDI control unit
CDI relay
AAC with integrated control additional fan motor
45
46 5 with Active-Body-Control (ABC): ABC control module
with air suspension: AIRmatic with ADS control module
47 10 AAC multifunction sensor
Control unit box blower motor
Automatic air conditioning multifunction sensor (valid for right-hand drive)
Coolant temperature switch (100 °C)
7,5 Special version: Multi-function sensor
48 7,5 M112/113; up to 31.8.02: Suction-type fan control module
M137; up to 31.8.02: Engine and AC electric suction fan with integrated control
Special version: Suction fan control module
49 15 Ignition coil (T1/1) up to (T1/8)
Radio interference suppression capacitor
7,5 Special version: Suction fan control module
Relay
K Engine electronics/chassis relay
L Starter relay
M Only valid for diesel: CDI relay
N Secondary air pump relay
O Air compressor relay
P Fanfare horns relay
V Special version: Brake booster hydraulic unit relay
W Special version: Brake booster hydraulic unit safety relay

Fuse and relay box in rear

Mercedes-Benz S-Class w220 - fuse box diagram - rear compartment
Mercedes-Benz S-Class w220 – fuse box diagram – rear compartment
Number A Description
50 10 Rear window roller blind relay
51 5 Towing sensor relay
52 30 Fuel pump relay
53 50 Rear window defroster relay
54 10 Trailer recognition control module
Special version: Automatic fire warning and extinguishing system
55 25 Trailer hitch socket (13-pin)
30 Special version: PAS and special signal system
56 30 Trailer recognition control module
40 Special version: Hydraulic window lift mechanism
57 25 Valid for remote trunk locking (HDFS):
Trunk lid open relay
Trunk lid closed relay
Remote trunk closing hydraulic pump
Special version: Not used
58 7,5 Keyless Go:
Keyless Go control module
Keyless Go left front door antenna
Keyless Go left rear door antenna (W220)
Keyless Go left rear antenna (C215)
Keyless Go right front door antenna
Keyless Go right rear door antenna (W220)
Keyless Go right rear antenna (C215)
Keyless Go left front door lift solenoid
Keyless Go left rear door lift solenoid (W220)
Keyless Go right front door lift solenoid
Keyless Go right rear door lift solenoid (W220)
Special version: Automatic fire warning and extinguishing system
59 30 Taxi version:Special vehicle multifunction control module (SVMCM)
Special version: PAS MCS
60 7,5 up to 31.8.02: Not used
as of 1.9.02:
Navigation processor
VICS voltage supply separation point
Rear window antenna amplifier module
61 15 up to 31.8.02:
Radio
Rear window antenna amplifier module
CD player with changer (in luggage compartment)
COMAND operating, display and control module
Telephone circuit connector 15C
TV tuner
Video decoder
Relief relay, circuit 15
Navigation processor
Traffic data recorder
7,5 as of 1.9.02:
Hands-free system control unit
Voice control system control unit
Portable CTEL connector
E-Call control unit
Telephone transmitter/receiver, D2B
Selection switch for telephone handset, front and rear (W220)
CTEL interface
CTEL compensator
Telephone interface
Telephone transmitter/receiver and TELE AID, D2B
Telecommunications control unit (as of 1.9.03)
Bluetooth module (as of 1.9.03)
Rear telephone handset (as of 1.9.03 W220)
E-net compensator (as of 1.9.03)
Operating and display unit display in rear (as of 1.9.03)
GPS box control unit (as of 1.6.04)
Universal Portable CTEL Interface (UPCI [UHI]) control unit (as of 1.6.04)
Emergency call system control unit (as of 1.6.04)
Special version: Not used
62 20 Pneumatic system equipment with combined functions
ATA inclination sensor (Special version)
63 7,5 up to 31.8.02:
D2B interface for permanently installed telephone
CTEl transmitter / receiver if emergency call system (TELE AID) fitted,
TELE AID control module
Voice control system control module if emergency call system (TELE AID) fitted,
Portable CTEL connector
Traffic data recorder
30 as of 1.9.02: Pneumatic pump for dynamic seat control
64 7,5 up to 31.8.02:
COMAND operating, display and control module
Rear window antenna amplifier module
25 as of 1.9.02: Left front seat adjustment control unit with memory
5 Special version:
D2B interface for permanently installed telephone
D2B interface for portable cellular telephone
65 5 Special version: D2B interface for portable cellular telephone
66 25 up to 31.8.02:Sound amplifier
as of 1.9.02: Right front seat adjustment control unit with memory
7,5 Special version: Interior lamp with universal joint
67 25 Rear seats control module (not in the case of C215)
68 15 Rear air conditioning control module
Rear AC refrigerant shutoff valve
Delivery unit for rear heating system
Circulation pump
Left duovalve
Right duovalve
69 15 Valid for rear air conditioning: Rear air conditioning control module
70 10 Tire pressure monitor control module
71 25 up to 31.8.02: Left front seat adjustment control module with memory
40 as of 1.9.02: Left front reversible emergency tensioning retractor
72 40 Rear control unit (C215)
Left rear door control module (W220)
73 25 up to 31.8.02: Right front seat adjustment control module with memory
40 as of 1.9.02: Right front reversible emergency tensioning retractor
74 40 Rear control unit (C215)
Right rear door control module (W220)
75 10 With Parktronic system: PTS control module
76 15 Rear backrest refrigerator box
77 40 Overhead control panel control unit
Relay
Q Rear window roller blind relay
R Towing sensor relay
S Circuit 15 relay
T Fuel pump relay
U Rear window defroster relay

Fuse box in interior

Dashboard Fuse Box (LHD on R or passenger side and RHD on L or passenger side).

Mercedes-Benz S-Class w220 - fuse box diagram - interior
Mercedes-Benz S-Class w220 – fuse box diagram – interior
Number A Description
78 7,5 Alarm signal horn with additional battery
Steering column module
EIS control unit
ME-SFI control unit
79 5 Instrument cluster
80 10 Upper control panel control unit
81 10 Data link connector
82 10 AAC [KLA] control and operating unit
Heating system delivery unit
83 10 Central gateway control unit
84 5 Instrument cluster
Data link connector
85 5 Instrument cluster
86 15 Front cigar lighter with ashtray illumination

Fuse and relay box in right front of engine compartment

Mercedes-Benz S-Class w220 - fuse box diagram - engine compartment (right front)
Mercedes-Benz S-Class w220 – fuse box diagram – engine compartment (right front)
Number A Description
87 20 Motronic relay
88 20 Motronic relay
89
90 10 Charge air cooler circulation pump
91 10 as of 1.9.03: Intank fuel pump
Relay
V Motronic relay
W Charge air relay
X Intank fuel pump relay

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.