Fuses and relays Mercedes-Benz GLK Class (X204; 2008 - 2015)

Mercedes-Benz GLK - as the model name Gelandewagen Luxus Kompaktklasse suggests, a compact luxury SUV. It was presented in 2008 at the Beijing Motor Show at the same time as the competing Audi Q5 model. In this article we will understand in detail fuse box diagrams Mercedes GLK X204 (1st Gen; 300, 350, 220) 2008, 2009, 2010, 2011, 2012, 2103, 2014, 2015 years of manufacture.


Here you will find the locations and photos of the mounting blocks. Also, we will separately mark the fuses responsible for the cigarette lighter and the fuel pump.

In the engine compartment


The mounting block is located on the right side of the underhood, also near the battery is a box with high power inserts.


To access: pull out the wires (2). Slide off the brackets (1).


Photo is an example.

Diagram
No. Relay assignment
J terminal 15
K terminal 15R
L reserve
M terminal 50 starter
N terminal 87 motor
O Horn relays
P vehicles with engine 156, 272, 276: Catalyst purge relay
Q "ECO Start-Stop" Function: Oil Cooler Fan Motor Relay
R terminal 87 running gear
No. A Purpose of fuses
1 25 Electronic stability control ESP (N30 / 4)
2 30 Front left door unit (N69 / 1)
3 30 up to 31.3.2010: Right front door control unit (N69 / 2)
4 7.5 cars with engines 271, 272 up to 31.8.2008:  fuel pump control unit (N118)
7.5 cars with engine 642:  left and right fuel pump control unit (N118 / 3)
7.5 cars with engine 642 with code (U41) Fuel filter with moisture separator and lubrication system service package, engine 651: Condensate sensor in fuel filter with heating element (B76/1)
20 Headlight control unit (N71/1)
7.5 vehicles with engine 651, up to 31.5.10 or engine 646 with code (71o)
Optional installation of a heated fuel filter:
Fuel filter condensate sensor control unit with heating element (N33/7)
5 7.5 SAM with rear fuse and relay module (N10 / 2)
7.5 vehicles with engine 156 with code (P98) Black Series starting from 1.7.11: Rear axle gearbox coolant circulation relay (K36/3)
7.5 from 1.12.2009: Exterior light switch (S1)
6 10 vehicles with diesel engine: CDI unit (N3 / 9)
10 vehicles with petrol engine: Unit ME (N3 / 10)
7 20 Connected via relay terminal 50 of the starter (N10/1kM): Starter (M1)
8 7.5 Restraint system control unit (N2 / 10)
9 15 Socket in glove compartment, cigarette lighter fuse Mercedes glc x204
10 30 Valid for type 204.9: wiper motor (M6 / 1)
11 7.5 Valid for vehicles with code (523) Audio module MB Audio 20, or code (510) Audio 20 incl. CD changer, or code (525) Audio module Mb Audio 50 APS, or code (511) Audio 50 aPs incl. DVD changer, or code (527) COMAND APS with single-disc DVD changer (with navigation function), or code (512) COMAND APS incl. DVD changer. DVD changer, or code (527) COMAND APS with single-disc DVD drive (with navigation function), or code (512) COMAND APS incl. DVD changer or, from 1.6.09 onwards for code (528) COMAND incl. DVD changer:
Audio display / COMAND (A40 / 8)
Audio control panel / COMAND (A40 / 9)
7.5 vehicle with code (509), navigation module: Holder for navigation module (A2/30-1)
12 7.5 Climate control system control unit (N22 / 7)
7.5 type 204.0/2, up to 28.2.2011, type 204.9: Upper control panel (N72/1)
13 7.5 Steering column electronics control unit (N80)
7.5 Effective from 1.3.2011 on vehicles with code (238) Active lane keeping system, code (476) Automatic lane recognition, code (513) Speed limit warning system or code (608) Adaptive high beam control system: Multifunction camera (A40/11)
14 7.5 Electronic stability control system ESP (N30 / 4)
15 7.5 restraint system (N2 / 10)
16 5 vehicle type 204.0/2, up to 31.5.2009: Diagnostic connector (X11/4)
5 for vehicles with gearbox 722: electronic selector lever module (N15/5)
17 30 vehicle with code (413) Panoramic glass roof with sliding sunroof:
30 type 204.0/2/3 with code (414) Electrically operated sliding glass sunroof:
18 7.5 type 204.0/2, from 1.3.2011 onwards, type 204.3:  Control unit for upper control panel (N72/1)
7.5 for vehicles type 204.0/2, up to 28.2.2011, type 204.9: Termination sleeve of the plus wire of the LIN data bus of the instrument panel air conditioning system (Z68/2)
 7.5 Electrical connector for vehicle interior and wiring harness for rear position lamp (X18)
19 20 electric steering lock (N26 / 5)
electronic ignition switch (N73)
20 40 electronic stability control ESP (N30 / 4)
21 7.5 for vehicles type 204.0/2 up to 28.2.2011, type 204.9 up to 31.5.2011: Brake signal sensor (S9/1)
7.5 Glove compartment lamp switch (S17 / 9)
7.5 Valid for vehicles with code (U18), automatic child seat recognition system (AKSE):
7.5 Valid for vehicles with code (498), Japan version: Electrical fuse for Electronic Toll Collection system installation preparation (F34/5)
22 15 Combustion engine fan motor and air conditioner with integrated control (M4/7)
15 Electrical plug connection of the passenger compartment and engine wiring harness (X26)
23 20 Electrical plug connection of the passenger compartment and engine wiring harness (X26)
20 On vehicles with diesel engine: SAM with fuse module and relay in the rear of the passenger compartment (N10/2)
20 Electrical connector for interior and engine wiring harness (X26)
24 15
15 for vehicles with engine 642: Radiator shutter actuator (Y84)
15 for models with engine 646: CDI unit (N3 / 9)
25 15 vehicles with engines 156, 271, 272, 274, 276: Unit ME (N3 / 10)
15 for models with engine 651: lambda probe in front of catalytic converter (G3 / 2)
15 from 1.6.2010 onwards, for type 204.3 with engine 651 and with code (P84) Sport Edition: Control unit for exhaust system sound generator (N12)
26 20 vehicles with code (523) Audio module MB Audio 20 or code (510) Audio 20, incl. CD changer
20 vehicles with code (525) Audio module MB Audio 50 APS or code (511) Audio 50 APS, incl. DVD changer
20 vehicles with code (527) COMAND APS with single-disc DVD drive (with navigation function) or with code (512) COMAND APS including DVD changer or, from 1.6.09 onwards, for code (528) COMAND including DVD changer:
27 7.5 Electronic ignition switch control unit (N73)
7.5 For vehicles with diesel engine: CDI unit (N3 / 9)
Vehicles with petrol engine: ME control unit (N3 / 10)
28 7.5 Instrument cluster (A1)
29 10 Front right headlamp (E2)
30 10 Front left headlamp (E1)
10 Vehicles with engine 642: Electrical connector for interior and engine wiring harness (X26)
31A 15 The horn relay (N101 kO) is switched on: Left and right buzzer
31B 15 The horn relay (N101 kO) is switched on: Left and right buzzer
32 40 for vehicles with engines 156, 271, 272: Activated via the catalyst scavenging relay (N10/1 kP): Electric air pump (M33)
33 10 for vehicles with gearbox 722.6: electronic control unit for automatic gearbox (N15 / 3)
10 for vehicles with gearbox 722.9: control unit for fully integrated automatic gearbox control (Y3 / 8)
34 7.5 for vehicles with engines 274, 276: fuel pump control unit (N118)
7.5 Valid for vehicles with engines 271, 272, 651, starting from 1.6.2009, engine 642, starting from 1.12.2009: fuel pump fuse (N118).
35 5 ESP driving system unit (N30 / 4)
36 7.5 vehicles with code (233) Distronic Plus
7.5 vehicles type 204.902/982/984: Electrohydraulic power steering (A91/1)

In the passenger compartment


The mounting block is located on the left side at the end of the instrument panel, behind the plastic cover.

Diagram
No. A Description
116 30 until 31.05.2009 for vehicles with code (275) Driver's seat, steering column, mirror
117 15 until 31.05.2009 on vehicles of type 204.0/2 with code (483) Adaptive damping system control unit
118 - Spare
119 7.5 until 31.05.2009 on vehicles with code (581) climate control: Rear cabin fan motor (M2/1)
7.5 up to 1.6.2012 on vehicles with AMG Performance Media code (255)
120 - Spare
121 - Spare
122 - Spare
123 10 on vehicles type 204.0/2/3 with code (443) Heated steering wheel or with code (476) Automatic lane recognition
124 - Spare
125 - Spare
126 30 until 31.05.2009 on vehicles with code (242) Front passenger's seat with electric adjustment and memory
127 - Spare
128 - Spare
129 20 until 31.05.2009 for vehicles with engine 156: Oil cooler fan motor relay (K25)
130-135 - Spare

In the trunk


The mounting block is located in the spare tire recess, behind the plastic cover.


General view of the Mercedes-Benz GLK X204 trunk fuse box.

Diagram
No. Decryption A
F37 SRS system 5
F38 Rear window wiper motor 15
F39 Rear left door electrical control unit 30
F41  ^ 03/10: Rear right door electronics control unit 30
F42 Fuel module (Mercedes GLK fuel pump fuse) 20
F43   7.5
F44   30
F45   30
F46   7.5
F49 Rear window heater 40
F50 SR system 50
F51 50
F53 Trailer electrical equipment 15
F54 7.5
F56 15
F57 20
F58 20
F59 Parking system 7.5
F60 Seat adjustment pneumatic actuator pump 7.5
F61 Electric motor of the tailgate opening/closing mechanism 40
F62   30
F63   30
F67 Audio output amplifier 30
F69   20
F70 Tire pressure monitoring system 5
F71 Mercedes GLK cigarette lighter fuse 15
F73   7.5
F74 Remote control of the central locking system (keyless entry) 15
F75 Additional heater 20
F76 Accessory power connector 15
F81 Multimedia control unit 5
F82 Telephone 5
F83   7.5
F84   7.5
F86 DVD-player 7.5
F87 Emergency call system 7.5
F89 Trailer electrical equipment 20
3 Rear window heater relay
5 Rear wiper relay
6 Power seat relay
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