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

The Mercedes-Benz GLK is, as the model name suggests, the Gelandewagen Luxus Kompaktklasse, a compact luxury SUV. It was unveiled at the 2008 Beijing Auto Show alongside the rival Audi Q5. In this material, we will analyze in detail the fuse circuits for the Mercedes GLK first generation (X204300, 350, 2202008, 2009, 2010, 2011, 2012, 2103, 2014, 2015 model year. 


Here you will find the locations and photos of the fuse blocks. Separately, we note the elements responsible for the cigarette lighter and fuel pump.

In the engine compartment


The mounting block is located on the right side of the engine compartment, as well as a box with high-power inserts located near the battery.


To access: remove the wires (2). Move 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 Beep
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 31.3.10: Right front door control unit (N69 / 2)
4 7.5  vehicles with engines 271, 272 up to 31.8.08:  fuel pump control unit (N118)
7.5 Valid for engine 156:  left and right fuel pump control unit (N118 / 3)
7.5  vehicles with engine code 642 (U41) Fuel filter with water separator and service package for lubrication system, engine 651: Condensation sensor in the 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) Additional installation of a heated fuel filter:
Control unit for the condensate sensor in the fuel filter with heating element (N33 / 7)
5 7.5 SAM with rear fuse and relay module (N10 / 2)
7.5 vehicles with engine code 156 (P98) Black Series from 1.7.11: Relay, coolant circuit for rear axle gearbox (K36 / 3)
7.5 from 1.12.09: Exterior light switch (S1)
6 10 vehicles with diesel engine:
CDI block (N3 / 9)
10 vehicles with petrol engine:
Block ME (N3 / 10)
7 20 Connected via starter terminal 50 relay (N10 / 1kM):
   Starter (M1)
8 7.5 Restraint system control unit (N2 / 10)
9 15 Socket in the glove compartment , cigarette lighter fuse Mercedes glk 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) Mb Audio 50 APS audio module, or code (511) Audio 50 aPs incl. DVD changer, or code (527) COMAND APS with DVD single disc drive (with navigation function), or code (512) COMAND APS incl. DVD changer or from 1.6.09 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 a / m type 204.0 / 2, up to 28.2.11, type 204.9: Upper control panel (N72 / 1)
13 7.5 Steering column electronics control unit (N80)
7.5 Valid from 1.3.11 on vehicles with code (238) Active Lane Keeping Assist, Code (476) Automatic Lane Keeping Assist, Code (513) Speed ​​Limit Alert or Code (608) Adaptive Steering high beam: Multifunctional camera (A40 / 11)
14 7.5 Electronic stability control system ESP (N30 / 4)
15 7.5 restraint system (N2 / 10)
16 5  a / m type 204.0 / 2, up to 31.5.09: Diagnostic connector (X11 / 4)
5 for vehicles with gearbox 722: electronic selector lever module (N15 / 5)
17 30 vehicles with code (413) Panoramic glass roof with tilt-slide sunroof:
30 a / m type 204.0 / 2/3 with code (414) Glass tilt-slide sunroof with electric drive:
18 7.5 vehicles type 204.0 / 2 from 1.3.11, type 204.3: control unit of the upper control panel (N72 / 1)
7.5 for vehicles type 204.0 / 2 up to 28.2.11, type 204.9: Positive cable termination for the LIN data bus of the dashboard air conditioning system (Z68 / 2)
 7.5 Electrical connector for passenger compartment and wiring harness for tail 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 28.2.11, type 204.9 up to 31.5.11: Brake signal sensor (S9 / 1)
7.5 Glove compartment lamp switch (S17 / 9)
7.5 Valid for vehicle code (U18), automatic child seat recognition (AKSE):
7.5 Valid for vehicles with code (498), Japanese version: Electric fuse for preparation for the Electronic Toll Collection (F34 / 5)
22 15 Combustion engine blower motor and air conditioning with integrated regulation (M4 / 7)
15 Electrical connector for interior and engine wiring harness (X26)
23 20 Electrical connector for interior and engine wiring harness (X26)
20 On vehicles with diesel engine: SAM with fuse and relay module 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 block (N3 / 9)
25 15 vehicles with engines 156, 271, 272, 274, 276: Block ME (N3 / 10)
15 for models with engine 651: lambda probe in front of catalytic converter (G3 / 2)
15 from 1.6.10, for type 204.3 with engine 651 and with code (P84) Sport Edition: Control unit for the sound generator for the exhaust system (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 incl. DVD changer or from 1.6.09 for code (528) COMAND incl. 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) switches on: Left and right horn 
31B 15 The horn relay (N101 kO) switches on: Left and right horn 
32 40 for vehicles with engines 156, 271, 272:
Activated via the catalytic converter purge 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 models with engines 274, 276: fuel pump control unit (N118)
7.5 Valid for vehicles with engines 271, 272, 651 from 1.6.09, engine 642 from 1.12.09: Fuel pump control unit (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: Electro-hydraulic power steering (A91 / 1)

In the passenger compartment


The fuse block is located on the left side at the end of the instrument panel Mercedes-Benz GLK Class, behind a plastic cover.

Diagram
No. A Description
116 30 up to 31.05.09 for vehicles with code (275) Driver's seat, steering column, mirror
117 15 up to 31.05.09 for vehicles of type 204.0 / 2 with code (483) Adaptive damping system control unit
118 - Spare
119 7.5 up to 31.05.09 for vehicles with code (581) climate control: Rear passenger compartment blower motor (M2 / 1)
7.5 up to 1.6.12 on vehicles with code (255) AMG Performance Media
120 - Spare
121 - Spare
122 - Spare
123 10 for vehicles of type 204.0 / 2/3 with code (443) Heated steering wheel or with code (476) Automatic lane recognition
124 - Spare
125 - Spare
126 30 up to 31.05.09 for vehicles with code (242) Front passenger seat with electric adjustment and memory
127 - Spare
128 - Spare
129 20 up to 31.05.09 for vehicles with engine 156: Oil cooler fan motor relay (K25)
130-135 - Spare

In the trunk


The fuse block is located in the spare wheel well behind the plastic cover.


Photo - an example of execution.

Mercedes GLK Luggage compartment fuse 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 (fuse for Mercedes GLK gasoline pump) 20
F43   7.5
F44   30
F45   30
F46   7.5
F49 Heated rear window 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 pump 7.5
F61 Rear door open / close motor 40
F62   30
F63   30
F67 Audio system output amplifier 30
F69   20
F70 Tire pressure monitoring system 5
F71 cigarette lighter fuse  15
F73   7.5
F74 Remote control of the central lock (keylessentry) 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 Heated rear window relay
5 Rear wiper relay
6 Power seat relay
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