MB GL-Class (X164) | 2006-2012 | Fuse Box Diagrams and Locations

MB GL-Class (X166) | 2013-2019

Discover Mercedes-Benz GL-Class fuse box diagrams for 2006–2012 models with fuse locations, panel layouts, and detailed electrical system information for all variants. This article covers the first-generation Mercedes-Benz GL-Class (Model Code: X164), available from 2006 to 2012, and includes fuse box diagrams for Mercedes-Benz GL450, GL500, GL550, GL320, GL350 and GL420 (2006, 2007, 2008, 2009, 2010, 2011 and 2012), along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse (fuse layout).

What’s Included

Engine Compartment

Fuse Box Location

The fuse box is situated in the engine compartment on the passenger side, near the front of the vehicle. To open it, pull clamps (2) in the direction of the arrow, then lift fuse box cover (1) upward.

Fuse Box Diagram

Fuses

Assignment of the fuses in the engine compartment

Fuse Data

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No.	Amps	Description
100	30A	Wiper motor
101	15A	AAC with integrated control additional fan motor Engine 156: Terminal 87 M3e connector sleeve Engine 156, 272, 273: Purge control valve Engines 272, 273: Circuit 87 Mle connector sleeve, Suction-type fan control unit Engine 629: CDI control unit, Circuit 30 connector sleeve, Suction fan control unit Model 164.195: ME-SFI (ME) control unit, Engine compartment/engine connector Engine 642 except 642.820: CDI control unit, O2 sensor upstream of CAT, Suction fan control unit Engine 642.820: O2 sensor upstream of CAT
102	10A / 15A	Engine 642.820 up to 31.7.10 (15A): Recirculation pump for transmission oil cooler Engine 156 (15A): Engine coolant circulation pump Model 164.195 (10A): Recirculation pump for transmission oil cooler, Low temperature coolant pump
103	20A / 25A	Standard (25A): Circuit 87 Mle connector sleeve, CDI control unit Up to 2008; Engines 113, 272, 273 (25A): ME-SFI (ME) control unit Model 164.195 (20A): ME-SFI (ME) control unit Engine 272, 273 (20A): ME-SFI (ME) control unit
104	15A	Engine 156, 272, 273: Terminal 87 M2e connector sleeve Engine 629: Terminal 87 connector sleeve Engine 642.820: Terminal 87 D2 connector sleeve Engine 642 except 642.820: CDI control unit Model 164.195: Interior and engine wiring harness connector, Engine compartment fuse and relay box Engine 113: ME control unit
105	15A	Engine 156, 272, 273: ME-SFI (ME) control unit, Circuit 87 M1I connector sleeve Engine 629: CDI control unit Engine 642.820: CDI control unit, Fuel pump relay Engine 642 except 642.820: CDI control unit, Fuel pump relay (as of 2009), Starter (up to 2008) Model 164.195: Interior and engine wiring harness connector Engine 113: Circuit 15 connector sleeve, fused
106	—	–
107	40A	Engine 156, 272 and 273: Electric air pump Model 164.195: Engine compartment/engine connector
108	40A	AIRMATIC compressor unit
109	25A	Standard: ESP control unit Model 164.195: Regenerative braking system control unit
110	10A	Alarm signal siren
111	30A	Intelligent servo module for DIRECT SELECT
112	7.5A	Left front lamp unit, Right front lamp unit
113	—	–
113a	15A	Left fanfare horn, Right fanfare horn
114	5A	Up to 2008: – As of 2009: Front SAM control unit Engine 629: CDI control unit
115	5A	Standard: ESP control unit Model 164.195: Regenerative braking system control unit
116	7.5A	Standard: Electric controller unit (VGS) Model 164.195: Hybrid vehicle fully integrated transmission control controller unit
117	7.5A	DTR controller unit
118	5A	Engine 156, 272, 273: ME-SFI (ME) control unit Engine 629, 642: CDI control unit
119	5A	Engine 642.820: CDI control unit
120	10A	Engine 156, 272, 273: ME-SFI (ME) control unit, Engine circuit 87 relay Engine 113: ME-SFI (ME) control unit Engine 629: CDI control unit Engine 629, 642: Engine circuit 87 relay
121	20A	Standard: STH heater unit Model 164.195: Fuse and relay box 2, engine compartment
122	25A	Engine 156, 272, 273, 629, 642: Starter Engine 113, 272, 273: ME-SFI (ME) control unit
123	20A	Engine 642: Fuel filter condensation sensor with heating element Engine 629, 642 as of 1.9.08: Fuel filter condensation sensor with heating element
124	7.5A	Model 164.120/122/822/825 as of 1.6.09, Model 164.121/124/125/824: Electrohydraulic power steering Model 164.195: Electrohydraulic power steering, Electric refrigerant compressor control unit
125	7.5A	Model 164.195: Power electronics control unit

Passenger Compartment

Fuse Box Location

The fuse box is located at the edge of the dashboard on the passenger side. To access it: Open the glove box. Insert a flat, blunt tool into the edge of the fuse box cover (1) at the arrow-marked position and use it as a lever. Pry the fuse box cover loose from the dashboard. Then pull the cover out by hand and remove it.

Fuse Box Diagram

Fuses

Assignment of the fuses in the passenger compartment

Fuse Data

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No.	Amps	Description
10	10A	Electronic amplifier fan controller
11	5A	Instrument cluster
12	15A	Control panel KLA (luxury automatic climate control system), KLA control panel (luxury automatic climate control system)
13	5A	Steering column electronic module, Upper block control panel
14	7.5A	EZS control unit
15	5A	Electronic compass, multimedia interface control unit

Luggage Compartment

Fuse Box Location

The fuse box is located on the right-hand (passenger) side of the luggage compartment. To access it, insert a suitable object, such as a coin, into the slot of lock (1). Turn the lock 90° in the direction of the arrow, then remove cover (2).

Fuse Box Diagram

Fuses

Assignment of the fuses in the luggage compartment

Fuse Data

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No.	Amps	Description
20	5A	Since 2009: Radio Antenna Noise Filter Japan: Mic group control unit
21	5A	HBF control unit
22	5A	PTS control unit (park assist), Receiving unit for radio remote control of the auxiliary heater STH
23	10A	DVD player, Rear audio control unit, GSM network compensator 1800, Bluetooth module, UHI control unit (universal mobile phone interface) Japan: Electrical connector mobile phone circuits
24	40A	Front right recessive seat belt pretensioner
25	15A	Control and display unit COMAND
26	25A	Front right door control unit
27	30A	Seat adjustment control unit with memory function, front passenger
28	30A	Driver’s seat adjustment control unit with memory
29	40A	Front left recessive seat belt pretensioner
30	40A	From 2009: Rear bench seat control unit Engines 156: Left fuel pump control unit, Right fuel pump control unit
31	10A	Control unit for heating, seat ventilation and heated steering wheel
32	15A	AIRMATIC control unit
33	25A	Keyless-Go system control unit
34	25A	Front left door control unit
35	30A	Standard: Speaker Amplifier Since 2009: Subwoofer amplifier
36	10A	Emergency call system control unit
37	5A	Japan: Reversing camera power supply module, Reversing camera control unit
38	10A	Japan: Combined TV tuner (analog/digital)
39	7.5A	Standard: RDK control unit (tire pressure monitoring system) From 2009: High-Definition Tuner Control Unit, Digital audio broadcasting control unit South Korea: Detachable connection of the outer part of the navigation system
40	30A	From 2009: Tailgate close control unit
41	25A	Ceiling Control Panel
42	25A	Since 2009: Ceiling mounted control panel
43	20A	Since 2009; engines 272, 273: Fuel pump control unit
44	20A	From 2009: Interior socket front (USA), 115V socket
45	20A	Standard: Socket in luggage compartment From 2009: Power outlet 2nd row right
46	15A	Cigarette lighter, front
47	10A	Since 2009: Door lights
48	5A	From 2009: Rear differential lock control unit Engines 642.820: AdBlue supply relay For 164.195, 164.1 with engine 272, and 164.8 with engine 642 or 273: Pyrotechnic disconnecting element
49	30A	Heated rear window
50	15A	Tailgate wiper motor
51	5A	Carbon canister shut-off valve
52	5A	Front left reversible seat belt pretensioner, Front right reversible seat belt pretensioner, Rear differential lock control unit
53	5A	Standard: AIRMATIC control unit Engines 156: Left fuel pump control unit, Right fuel pump control unit Engines 272, 273: Fuel pump control unit From 2009: Transfer case control unit
54	5A	Headlight range control unit, SAM control unit, front
55	7.5A	Instrument cluster, Rotary switch outdoor lighting
56	5A	Engines 642.820: AdBlue control unit
57	20A	Fuel pump (except 156 engine)
58	7.5A	Diagnostic socket, Central interface control unit
59	7.5A	From 2009: NECK-PRO headrest solenoid coil on the back of the driver’s seat, NECK-PRO headrest solenoid coil on right front seat back
60	5A	Glove box lighting with micro switch, Fuse and relay box in the engine compartment, Rear SAM control unit, Electrical connector mobile phone chain Japan: Detachable connection VICS+ETC power supply Since 2009: Air pump for multicontour seat South Korea: Detachable connection of the outer part of the navigation system As of 1.8.10: Blind spot monitoring electrical plug interior/rear bumper USA: Emergency call system control unit
61	7.5A	Since 2009: Passive safety system control unit, Seat contact strip, front right
62	30A	Passenger seat adjustment switch
63	30A	Driver’s lumbar adjustment control unit, Front passenger’s lumbar support adjuster control unit, Driver seat adjustment switch
64	—	–
65	—	–
66	30A	From 2009: Air pump for multicontour seat
67	25A	Rear air conditioning fan motor
68	25A	From 2009: Control unit for heating, seat ventilation and heated steering wheel
69	30A	From 2009: Rear differential lock control unit
70	15A / 20A	Up to 2008 (15A): AHV drawbar connector, 13-pin Standard (20A): AHV drawbar connector, 7-pin Since 2009 (20A): AHV drawbar connector, 13-pin
71	30A	Plug connection Electric-Brake-Control
72	15A	AHV drawbar connector, 13-pin