Mercedes-Benz M-Class / ML-Class (W164; 2006-2011) fuses and relays

Fuse box diagram (location and assignment of electrical fuses and relays) for Mercedes-Benz M-Class / ML-Class (W164; 2006, 2007, 2008, 2009, 2010, 2011).

Fuse box diagram: Mercedes-Benz M-Class / ML-Class
(W164; 2006-2011)

Instrument Panel Fuse Box

The fuse box is located on the side of the instrument panel, on the passenger side, under the coverThe location of the fuses in the passenger compartment: Mercedes-Benz M-Class (2006-2011)

Fuse box diagram

Instrument panel fuse box diagram: Mercedes-Benz M-Class (2006-2011)

Assignment of the fuses in the Instrument Panel Fuse Box
DescriptionA
10Booster blower electronic blower controller10
11Instrument cluster5
12AAC [KLA] control and operating unit
Comfort AAC [KLA] control and operating unit
15
13Steering column module Upper control panel control unit5
14EIS [EZS] control unit7.5
15Electronic compass
Media interface control unit
5
16Spare-
17Spare-
18Spare-

Battery compartment pre-fuse box

The battery compartment prefuse box is located next to battery under the front passenger seatBattery compartment pre-fuse box: Mercedes-Benz M-Class (2006-2011)

Battery compartment pre-fuse box: Mercedes-Benz M-Class (2006-2011)

Battery compartment prefuse box
DescriptionA
78up to 30.6.09: PTC heater booster100
78up to 2008; as of 1.7.09: PTC heater booster150
79Rear SAM control unit60
80Rear SAM control unit60
81Valid for engine 642.820: AdBlue relay supply40
81Valid as of 1.7.09 without engine 642.820: Engine compartment fuse and relay box
Valid for model 164.195: Vacuum pump relay (+)
Up to 2008: -
150
82Load compartment fuse and relay box100
83Weight Sensing System (WSS) control unit5
84Restraint systems control unit10
85As of 2009: DC/AC converter control unit (115 V socket)25
85Up to 2008:  Intelligent servo module for DIRECT SELECT30
86Cockpit fuse box30
87Transfer case control unit30
87Valid for model 164.195:Fuse and relay box 2, engine compartment15
88Front SAM control unit70
89Front SAM control unit70
90Front SAM control unit70
91As of 2009: AC air recirculation unit
Up to 2008: Blower regulator
40

Engine Compartment Fuse Box

The fuse box is located in the engine compartment (right-side), under the coverThe location of the fuses in the engine compartment: Mercedes-Benz M-Class (2006-2011)

Fuse box diagram

Under-hood fuse box diagram: Mercedes-Benz M-Class (2006-2011)

Assignment of the fuses and relay in the Engine Compartment Fuse Box
DescriptionA
100Wiper motor30
101AAC with integrated control additional fan motor
Valid for engine 156: Terminal 87 M3e connector sleeve
Valid for engine 156, 272, 273: Purge control valve
Valid for engines 272, 273:
Circuit 87 M1e connector sleeve
Suction-type fan control unit
Valid for engine 629:
CDI control unit
Circuit 30 connector sleeve
Suction fan control unit
Valid for model 164.195:
ME-SFI [ME] control unit
Engine compartment/engine connector
Valid for engine 642 except 642.820:
CDI control unit
O2 sensor upstream of CAT
Suction fan control unit
Valid for engine 642.820: O2 sensor upstream of CAT
15
102Valid for engine 642.820 up to 31.7.10: Recirculation pump for transmission oil cooler
Valid for engine 156: Engine coolant circulation pump
15
102Valid for model 164.195:
Recirculation pump for transmission oil cooler
Low temperature coolant pump
10
103Circuit 87 M1e connector sleeve
CDI control unit
Up to 2008; Valid for engines 113, 272, 273: ME-SFI [ME] control unit
25
103Valid for model 164.195: ME-SFI [ME] control unit
Valid for engine 272, 273:ME-SFI [ME] control unit
20
104Valid for engine 156, 272, 273: Terminal 87M2e connector sleeve
Valid for engine 629: Terminal 87 connector sleeve
Valid for engine 642.820: Terminal 87 D2 connector sleeve
Valid for engine 642 except 642.820: CDI control unit
Valid for model 164.195:
Interior and engine wiring harness connector
Engine compartment fuse and relay box
Valid for engine 113: ME control unit
15
105Valid for engine 156, 272, 273:
ME-SFI [ME] control unit
Circuit 87 M1 i connector sleeve
Valid for engine 629: CDI control unit
Valid for engine 642.820:
CDI control unit
Fuel pump relay
Valid for engine 642 except 642.820:
CDI control unit
Fuel pump relay (as of 2009)
Starter (up to 2008)
Valid for model 164.195: Interior and engine wiring harness connector
Valid for engine 113: Circuit 15 connector sleeve, fused
15
106Spare-
107Valid for engine 156, 272 and 273: Electric air pump
Valid for model 164.195: Engine compartment/engine connector
40
108AIRMATIC compressor unit40
109ESP control unit
Valid for model 164.195: Regenerative braking system control unit
25
110Alarm signal siren10
111Intelligent servo module for DIRECT SELECT30
112Left front lamp unit
Right front lamp unit
7.5
113Left fanfare horn
Right fanfare horn
15
114Up to 2008: -
As of 2009: Front SAM control unit
Valid for engine 629: CDI control unit
5
115ESP control unit
Valid for model 164.195: Regenerative braking system control unit
5
116Electric controller unit (VGS)
Valid for model 164.195: Hybrid vehicle fully integrated transmission control controller unit
7.5
117DTR controller unit7.5
118Valid for engine 156, 272, 273: ME-SFI [ME] control unit
Valid for engine 629, 642: CDI control unit
5
119Valid for engine 642.820: CDI control unit5
120Valid for engine 156, 272, 273:
ME-SFI [ME] control unit
Engine circuit 87 relay
Valid for engine 113: ME-SFI [ME] control unit
Valid for engine 629: CDI control unit
Valid for engine 629, 642: Engine circuit 87 relay
10
121STH heater unit
Valid for model 164.195: Fuse and relay box 2, engine compartment
20
122Valid for engine 156, 272, 273, 629, 642: Starter
Valid for engine 113, 272, 273: ME-SFI [ME] control unit
25
123Valid for engine 642: Fuel filter condensation sensor with heating element
Valid for engine 629, 642 as of 1.9.08: Fuel filter condensation sensor with heating element
20
124Valid for model 164.120/122/822/825 as of 1.6.09, Model 164.121/124/125/824: Electrohydraulic power steering
Valid for model 164.195:
Electrohydraulic power steering
Electric refrigerant compressor control unit
7.5
125Valid for model 164.195: Power electronics control unit7.5
Relay
AWiper level relay 1/2
BWiper ON / OFF
CValid for engine 642: Additional circulation pump for transmission oil cooling
Valid for engine 156: Engine coolant circulation pump
DTerminal 87 engine
ESecondary air injection pump
FFanfare horn
GAir suspension compressor
HCircuit 15
IStarter

Front pre-fuse box

Front Pre-fuse
DescriptionA
4Spare-
5Valid for model 164.195 (ML 450 Hybrid):  Regenerative braking system control unit 40
6ESP control unit  40
6Valid for model 164.195 (ML 450 Hybrid):  Electrohydraulic power steering 80
7AAC with integrated control additional fan motor100
8up to 2008:  Engine compartment fuse and relay box140
8as of 2009:  Engine compartment fuse and relay box100

Luggage Compartment Fuse Box

The fuse box is located in the luggage compartment (on the right-side), under the coverThe location of the fuses in the trunk: Mercedes-Benz M-Class (2006-2011)

Fuse box diagram

Up to 31.05.2006Trunk fuse box diagram (Up to 31.05.2006): Mercedes-Benz M-Class (2006-2011)

As of 01.06.2006Trunk fuse box diagram (As of 01.06.2006): Mercedes-Benz M-Class (2006-2011)

Assignment of the fuses and relay in the Luggage Compartment Fuse Box
DescriptionA
20Up to 2008: Roof antenna module
As of 2009: Interference suppression filter for radio antenna
As of 2009: Microphone array control unit (Japanese version)
5
21RCP [HBF] control unit5
22PTS control unit
STH radio remote control receiver
5
23DVD player
Rear audio control unit
Portable CTEL separation point (Japanese version)
E-net compensator
Bluetooth module
Universal Portable CTEL Interface (UPCI [UHI]) control unit (Japanese version)
10
24Right front reversible emergency tensioning retractor40
25COMAND operating, display and control unit15
26Right front door control unit25
27Passenger-side front seat adjustment control unit with memory
Front passenger seat adjustment comfort relay
30
28Driver-side front seat adjustment control unit, with memory
Driver seat adjustment comfort relay
30
29Left front reversible emergency tensioning retractor40
30As of 2009: Folding rear bench seat control unit
Valid for engine 156:
Left fuel pump control unit
Right fuel pump control unit
Valid for model 164.195 (ML 450 Hybrid): Fuel pump control unit circuit 30 connector sleeve
40
31HS [SIH], seat ventilation and steering wheel heater control unit10
32AIRmatic control unit15
33KEYLESS-GO control unit25
34Left front door control unit25
35Amplifier for sound system
As of 2009: Subwoofer amplifier
30
36Emergency call system control unit10
37Backup camera power supply module (Japanese version)
Backup camera control unit (Japanese version)
5
38Digital TV tuner
Up to 2008: Audio gateway control unit (Japanese version)
As of 2009: TV combination tuner (analog/digital) (Japanese version)
Valid for model 164.195 (ML 450 Hybrid): High voltage battery module
10
39Tire pressure monitor [RDK] control unit
Up to 2008: SDAR control unit (USA version)
As of 2009: High definition tuner control unit
As of 2009: Digital Audio Broadcasting control unit
As of 2009: External navigation separation point (South Korea version)
7.5
40Up to 2008: Rear-end door closing control unit40
40As of 2009: Rear-end door closing control unit30
41Overhead control panel control unit25
42Up to 2008: SR motor
As of 2009: Overhead control panel control unit
25
43As of 2009; Valid for engine 272, 273: Fuel pump control unit
Up to 31.05.2006: Tailgate wiper motor
As of 01.06.2006: Not assigned
20
44Up to 31.05.2006: Left 2nd seat row socket
Up to 31.05.2006: Right 2nd seat row socket
As of 01.06.2006: Not assigned
As of 2009: Front interior socket (USA)
As of 2009: 115V socket
20
45Cargo area connector box
Up to 2008: Front interior socket
As of 2009: Right 2nd seat row socket
20
46Front cigar lighter with ashtray illumination15
47Valid for model 164.195 (ML 450 Hybrid): High voltage battery coolant pump
As of 2009: Left front illuminated door sill molding
As of 2009: Right front illuminated door sill molding
10
48As of 2009: Rear axle differential lock control unit
As of 2009; Valid for engine 642.820: AdBlue® supply relay
As of 1.7.09; Valid for model 164.195 or model 164.1 with engine 272 or model 164.8 with engine 642 or 273: Pyrotechnical separator
5
49Heated rear window30
50Up to 31.05.2006: Tailgate wiper motor10
50As of 01.06.2006: Tailgate wiper motor15
51Activated charcoal canister shutoff valve5
52Up to 31.5.09: Left front reversible emergency tensioning retractor
Up to 31.5.09: Right front reversible emergency tensioning retractor
As of 2009: Rear axle differential lock control unit
5
53AIRmatic control unit
Valid for engine 156:
Left fuel pump control unit
Right fuel pump control unit
Valid for engine 272, 273: Fuel pump control unit
As of 2009: Transfer case control unit
5
54Headlamp range adjustment control unit
Front SAM control unit
5
55Instrument cluster
Rotary light switch
7.5
56Up to 31.05.2006: Data link connector
Valid for engine 642.820: AdBlue® control unit
Valid for model 164.195: Fuel pump control unit
5
57Up to 2008: Fuel pump with fuel gauge sensor
Valid without engine 156: Fuel pump
20
58Data link connector
Central gateway control unit
7.5
59As of 2009: Driver NECK-PRO head restraint solenoid
As of 2009: Front passenger NECK-PRO head restraint solenoid
7.5
60Glove compartment illumination with switch
Engine compartment fuse and relay box
Rear SAM control unit
Cell phone separation point
VICS+ETC voltage supply separation point (Japan version)
Multicontour seat pneumatic pump (as of 2009)
External navigation separation point (South Korea)
Electrical connection, Blind-Spot-Monitoring interior rear bumper (as of 1.8.10)
Emergency call system control unit (USA)
5
61Up to 2008:
Restraint systems control unit
Right front seat contacting strip
10
61As of 2009:
Restraint systems control unit
Right front seat contacting strip
7.5
62Front passenger seat adjustment switch30
63Driver lumbar support regulator control unit
Front passenger lumbar support regulator control unit
Driver seat adjustment switch
30
64Spare-
65Spare-
66As of 2009: Multicontour seat pneumatic pump30
67Rear air conditioning blower motor25
68Up to 2008: Left 2nd row seat heated cushion
Up to 2008: Right 2nd row seat heated cushion
As of 2009: HS [SIH], seat ventilation and steering wheel heater control unit
25
69As of 2009: Rear axle differential lock control unit30
70Trailer hitch socket (13-pin) (as of 2009)
Trailer hitch socket (7-pin)
20
70Trailer hitch socket (13-pin) (up to 2008)15
71Electric brake control separation point30
72Trailer hitch socket (13-pin)15
Relay
KUp to 31.05.2006: Terminal 15R power outlet relay, with power-down
As of 01.06.2006: Circuit 15R seat adjustment
As of 2009: Relay, circuit 15R sockets (with K power-down) (power supply of electric seat adjustment)
LTerminal 30X
MHeated rear window relay
NCircuit 15 relay / terminal 87FW
OFuel pump relay
PRear wiper relay
RCircuit R relay 115R
SReserve 1 (changer) (power supply for front socket)
TAs of 01.06.2006Circuit 30, socket for 2nd seat row and load compartment
As of 2009: Reserve 2 (normally open contact) (power supply for center and rear sockets)
UAs of 01.06.2006Circuit 30, trailer
VAs of 01.06.2006-

AdBlue fuse block

AdBlue fuse block
DescriptionA
AAdBlue control unit15
BAdBlue control unit20
CAdBlue control unit7.5
DSpare-
Mercedes-Benz M-Class / ML-Class (W164; 2006-2011) fuses and relays March 31, 2019 admin