Mercedes-Benz GLK (2008-2015) – fuse and relay box

Diagrams of fuse boxes and relays – Mercedes-Benz GLK

Applies to vehicles manufactured in the years:

2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015.

The cigarette lighter in the Mercedes-Benz GLK is fused by fuse number 71 in the fuse box in the luggage compartment.

location

Fuse and relay box in luggage

Mercedes-Benz GLK-Class – fuse diagram – trunk
Number
Description
Amperes [A]
37 Driver’s seat Headrest solenoid NECK-PRO (Y24 / 12)

Front passenger seat headrest solenoid NECK-PRO (Y24 / 13)

5
38 Valid for model 204.2 / 9:

Connected via the boot lid wiper relay (N10 / 2kE):

Tailgate Wiper Motor (M6 / 4)

15
39 Valid except for vehicles in Great Britain until 5/31/09:

Left rear door control unit (N69 / 3).

30
40 Reserve
41 Valid until 3/31/10:

Right rear door control unit (N69 / 4);

Valid from 1.4.10

Right front door control unit (N69 / 2).

30
42 Valid for gasoline engine or engine 642 as of 1.12.09 or engine 651 as of 1.6.09:

Fuel pump control unit (N118);

Valid for engine 646 or engine 642 up to 30.11.09 or engine 651 up to 31.5.09:

Connected via the fuel pump (N10 / 2kD):

Fuel pump (М3).

20
43 Valid as of 1.6.09 with code (581) Comfort automatic air conditioning:

Rear blower motor (M2 / 1).

7.5
44 Valid for model 204.0 / 9 with code (494) USA version or with code (460) Canada version and no code (275)

Memory package (driver seat, steering column, mirrors):

Switch group, right front seat setting (S23);

Valid without code (494) US version and without code (460) Canada version and without code (275)

Memory package (driver seat, steering column, mirrors):

Front passenger seat Partial electric seat adjustment switch (S23 / 1).

30
45 Valid for model 204.0 / 9 with code (494) USA version or with code (460) Canadian version and without code (275)   Memory package (driver’s seat, steering column, mirrors):
• Left front seat adjustment switch group (S22);
Valid without code (494) USA version and without code (460) Canada version and without code   (275) Memory package (driver’s seat, steering column, mirrors):
• Driver’s semi-electric seat adjustment switch (S22 / 1).
30
46 Antenna amplifier for rear window FM antenna (A2 / 19)
Valid until 31.5.10 with code (551) Anti-Theft Alarm System (ATA [EDW]) and as of 1.6.10 with code (551) Anti-Theft Alarm System (ATA [EDW]] ) and without code (494) US version:
• Alarm siren (H3 / 1);
• Internal lock and anti-towing control unit (N26 / 6);
For model 204.2:
• Rear window antenna amplifier 1 (A2 / 71)
Valid for model 204.2 with code (498) Japanese version:
• Rear window antenna amplifier FM antenna (A2 / 19);
• TV 1 antenna amplifier and DAB III band (A94 / 1);
Applies to model 204.2 with code (537) Digital Radio:
• DAB band III antenna amplifier (A95 / 2);
Valid for code (498) Japanese version and code (889) Keyless-Go:
• TV 2 and KEYLESS-GO antenna amplifier (A94 / 2) (with model 204.0 / 9);
• KEYLESS-GO (A94 / 4) antenna amplifier (with model 204.2);
Valid for code (889) Keyless Go:
• Antenna amplifier for FM rear window antenna (A2 / 19).
7.5
47 Reserve
48 Reserve
49 Switched by the rear window heater (N10 / 2kC) relay:
• Heated rear window (R1).
40
50 Valid for code (299) PRE-SAFE:
• Right front emergency voltage reversible retractor (A76 / 1).
50
51 Valid for code (299) PRE-SAFE:
• Left front reversible emergency tensioner (A76)
50
52 Reserve
53 Valid until 31.5.09 with code (550) Trailer hitch:
• Trailer recognition control unit (N28 / 1);
Valid as of 1.6.09 with code (550) Trailer hitch:
• Trailer recognition control unit (N28 / 1).
15
54 Valid until 31.5.09 with code (550) Trailer hitch:
• Trailer recognition control unit (N28 / 1);
Valid as of 1.6.09 with code (550) Trailer hitch:
• Trailer recognition control unit (N28 / 1);
Valid for model 204.075 / 077/275/277:
• Driver seat lumbar support and side support switch group (S109 / 4);
• Passenger seat lumbar support and side bolsters switch group (S109 / 5);
• Front passenger seat AMG valve block (Y109 / 3);
• Driver’s seat AMG valve block (Y109 / 2).
7.5
55 Reserve
56 Valid until 31.5.09 with code (550) Trailer hitch:
• Trailer recognition control unit (N28 / 1);
Valid as of 1.6.09 with code (550) Trailer hitch:
• Trailer socket (X58).
15
57 Valid until 31.5.09 with code (550) Trailer hitch:
• Trailer recognition control unit (N28 / 1);
Valid as of 1.6.09 with code (550) Trailer hitch:
• Trailer recognition control unit (N28 / 1).
20
58 Valid for code (550) Trailer hitch:
• Trailer recognition control unit (N28 / 1).
20
59 Valid for code (220) Parktronic: 
• Parking system control unit (N62).
7.5
60 Valid for code (409) Front Left / Right Multicontour Seats:
• Multicontour Seat Air Pump (M40).
7.5
61 Valid for model 204 2/9 with EASY-PACK tailgate code (890): 
• Liftqate control unit (N121 / 1).
40
62 Valid from 1.06.09 with code (275) Memory package (driver’s seat, steering column, mirrors): 
• Driver’s seat control unit (N32 / 1).
30
63 Valid from 1.06.09 with code (242) Electrically adjustable front passenger seat with memory: 
• Front passenger seat control unit (N32 / 2).
30
64 Valid for model 204.0 / 9 with code (U80) 115 V power socket in cargo area:
• DC / AC converter control unit (N24 / 3).
25
65 Valid from 1.06.09 with model 204.0 / 2 with code (483) ADVANCED AGILITY package:
• Adaptive damping system control unit (N51 / 5).
15
66 Reserve
67 Valid for the sound system code (810): 
• Sound system amplifier control unit (N40 / 3).
30
68 Reserve
69 Valid for model 204.9 with code (810) Sound system: 
• Rear subwoofer amplifier (N40 / 9).
20
70 Valid for model 204.0 / 9 with code (470)

Tire pressure monitoring system (standard):

Schrader company or code (475) Tire pressure monitor (Premium) Schrader company:
• Tire pressure monitor control unit (N88).

5
71 Valid for code (301) ashtray / smoking kit:
• Front cigarette lighter with ashtray illumination (R3) Valid without code (301) Ashtray package / smoking package:
• Front power socket (X58 / 17)
15
72 Valid for model 204.2:
• Cargo area junction box (X58 / 4)For model 204.0 / 9 with code (U80):115 V power socket in cargo area: • 115 V socket (X58 / 34)
15
73 Valid as of 1.6.09
• Diagnostic interface (X1114);
Valid for stationary heater code (228):
• Stationary heater remote control receiver (A6 / 1).
7.5
74 Valid for the code (889) Keyless Go:
• KEYLESS-GO control unit (N69 / 5).
15
75 Valid for code (228), stationary heater:
• Stationary heater (A6).
20
76 Vehicle interior power socket (X58 / 1) 15
77 Valid for model 204.0 / 9 with code (494) USA version:
• Weight detection system (WSS) control unit (N110).
7.5
78 Reserve
79 Reserve
80 Reserve
81 Valid for code (518) Multimedia interface:
• Multimedia interface control unit (N125 / 1).
5
82 Valid for code (228) Stationary heater or code (386) Mobile phone:
• UMTS mobile phone system compensator (A28 / 13);
Valid until 5/31/09 with code (498) Japanese version:
• TV tuner control unit (N143);
Valid as of 1.6.09 with code (498) Japanese version:
• Digital TV tuner (A90 / 3).
57.5

7.5

83 Valid for code (498) Japanese version:
• Electronic toll collection control unit (A50 / 3);
Valid for model 204.0 / 9 with code (359) TELE AID
emergency call system : • Emergency call system control unit (N123 / 4);
Valid for model 204.9 as of 1.12.10 with code (218) Reversing camera:
• Reversing camera (B84 / 3).
7.5
84 Valid until 31.5.09 and as of 1.6.10 with model 204.0 / 9 with code (536) SIRIUS Satellite Radio:
• Satellite Digital Audio Radio (SOAR) control unit (N87 / 5);
Valid from 1.6.09 and until 31.5.10 with model 204.0 / 9 with code (536) SIRIUS satellite radio:
• SDAR control unit / high definition tuner (N87 / 8);Refers to code (537) Digital radio• Digital audio broadcasting control unit (N87 / 3)Valid for code (218) Reversing camera without code (498) Japanese version:
• Rear view camera power supply module (N66 / 10);
Valid for code (218) Reversing camera and code (498) Japanese version:
• Reversing camera control unit (N66 / 2).
7.5
85 Valid until 5/31/09 with code (498) Japanese version:
• TV tuner control unit (N143);
Valid as of 1.6.09 with code (498) Japanese version:
• Digital TV tuner (A90 / 3).
7.5
86 Valid for model 204.9 with code (864) Rear entertainment system:
• DVD player (A40 / 4).
7.5
87 Valid for model 204.0 / 9 with code (359) TELE AID emergency system:
• Emergency control unit (N123 / 4).
7.5
88 Effective from 1.6.09
• Spare
89 Valid as of 1.6.09 with code (550) Trailer hitch:
• Trailer recognition control unit (N28 / 1);
Valid as of 1.6.09 with engine 156: 
• Oil cooler fan motor relay (K25).
20
90 Effective from 1.6.09
• Spare
91 Valid for model 204.0 / 9 with code (U80) 115 V power socket in cargo area:
• DC / AC converter control unit (N24 / 3).
25
92 Effective from 1.6.09
• Spare.
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Left engine fuse and relay box (1-36)

Mercedes-Benz GLK-Class – fuse box diagram – engine compartment
Number
Description
Amperes [A]
1 Electronic stability program control unit (N30 / 4) 25
2 Left front door control unit (N69 / 1) 30
3 Right door control unit (N69 / 2) 30
4 Valid for engines 271.272 to 31.8.08:

Fuel pump control unit (N118);

Valid for engines 156 up to August 31, 2008:

Left fuel pump control unit (N118 / 3);

Right fuel pump control unit (N118 / 4).

7.5
Valid for diesel engine as of 1.9.08:

Fuel filter condensation sensor with heating element (B76 / 1).

20
5 A set  of indicators (A1)  Valid from 1.6.10:

Exterior lights switch (S1).

7.5
6 Valid for diesel engine:

ME-SFI [ME] (N3 / 10) control unit;

Valid for gasoline engine:

CDI control unit (N3 / 9).

10
7 Protected by terminal 50 relay;

Starter (N10 / 1kM):

Starter (M1).

20
8 Supplementary restraint system control unit (N2 / 10) 7.5
9 Glove box socket (X58 / 31) 15
10 Wiper motor (M6 / 1) 30
11 Valid for code (523):

Radio It / IB Audio 20 or code (510)

Audio 20 included.

CD changer or code (525)

Radio MB

Audio 50 APS or Code (511)

Audio 50 APS incl.

DVD changer or code (527) COMAND APS with single DVD drive (with navigation) or code (512) COMAND APS included;

DVD changer or as of 1.6.09 with code (528) COMAND incl.

DVD changer

Audio / COMAND display (A40 / 8)

Audio / COMAND control panel (A40 / 9).

7.5
12 Automatic air conditioning control and control unit (N22 / 7)

Valid for code (220) PARKTRONIC or code (483)

ADVANCED AGILITY bundle or code (540)

Sun blind or code (873)

Left and right front seat heating or code (B03)

ECO start / stop function or code (430)

Offroad package:

Top control panel (N72 / 1).

7.5
13 Steering column module control unit (N80) 7.5
14 Proqram electronic stability control unit (N30 / 4) 7.5
15 Supplementary restraint system control unit (N2 / 10) 7.5
16 Valid for code (386) Mobile phone:

Mobile phone electrical connector (X39 / 37);

Valid for transmission 722:

Electronic gear lever module control unit (N15 / 5);

Applies to code (B03) ECO start / stop function Connected via reserve relay (N10 / 1kQ):

Electric gear oil pump (M42).

5
17 Valid for code (413) Panoramic glass sunroof with upper sliding sunroof:

Panoramic sliding roof control module (A98);

Valid for model 204.0 / 2 with code (414) Electric glass tilt and slide sunroof:

Top control panel (N70).

30
18 Valid until 30/11/09:

Exterior lights switch (S1).

7.5
19 Electric steering wheel lock control unit (N26 / 5);

Electronic ignition lock control unit (N73).

20
20 Electronic stability program control unit (N30 / 4) 40
21 Stop light switch (S9 / 1);

Light switch in glove box (S17 / 9);

Valid for code (U18)

Automatic child seat recognition (ACSR):

Front passenger seat and ACSR occupancy recognition (B48);

Valid without code (494) US version and without code (U18)

Automatic child seat recognition (ACSR [AKSE]):

Front passenger seat occupancy detection (B41 / 1).

7.5
22 Internal combustion engine fan motor and air conditioning with integrated control (M4 / 7);

Valid for engine 271:
• Terminal 87M2e (Z7 / 36) connector sleeve

Valid for engine 272 with code (494) USA version:

Terminal connector sleeve 87M2e (Z7 / 36)

Valid for engine 272 without code (494) USA version:

Purge Control Valve (Y58 / 1)

Valid for engine 642:

CDI control unit (N3 / 9)

Heating element for deaeration hose (R39 / 1)

Valid for engine 646:

CDI control unit (N3 / 9)

Connecting sleeve for terminal 87 (Z7 / 5)

15
23 Valid for diesel engine:

Rear SAM control unit with fuse and relay module (N10 / 2)

CDI control unit (N3 / 9)

Terminal 87 connector sleeve (Z7 / 5)

Valid for engine 271:

Circuit 87 M1e connector sleeve (Z7 / 35)

Valid for engine 272:

Circuit 87 of M1i connector (Z7 / 38) connector

20
24
Valid for  engine 272:Bushing circuit 87 of M1e connector (Z7 / 35);Valid for diesel engine:Terminal 87 connector sleeve (Z7 / 5)

Valid for engine 646:

CDI control unit (N3 / 9)

15
25 Valid for engines 271, 272:

ME-SFI [ME] (N3 / 10) control unit;

Valid for diesel engine:

Oxygen sensor upstream of catalytic converter (G3 / 2).

15
26 Valid for code (510) Audio 20 with CD changer or with code (523) Radio MB Audio 20:

Radio (A2);

Refers to code (525) Radio MB Audio 50 APS or code (511) Audio 50 APS included. DVD changer:

Radio with autopilot system (A2 / 56);

Valid for code (527) COMAND APS with single DVD drive (with navigation) or code (512) COMAND APS included. DVD changer or as of 1.6.09 with code (528) COMAND incl. DVD changer

COMAND driver (A40 / 3).

20
27 Electric steering wheel lock control unit (N26 / 5);

Electronic ignition lock control unit (N73);

Valid for diesel engine:

CDI control unit (N3 / 9);

Valid for gasoline engine:

ME-SFI [ME] control unit (N3 / 10).

7.5
28 Instrument cluster (A1) 7.5
29 Valid for code (614):

Bi-xenon headlamp or code (618) Bi-xenon headlamp or code (615);

Bi-xenon headlamp or code (616);

Bi-xenon headlamp unit with integrated asymmetric curve illumination or code (621);

Intelligent Light System (left-hand traffic) or code (622);

Intelligent lighting system (right-hand traffic):

Right Headlight Assembly (E2);

Valid without code (614):

Bi-xenon headlight and without code (618);

Bi-xenon Headlight and without code (615);

Bi-xenon headlamp assembly and without code (616);

Bi-xenon headlight with integrated asymmetric curve illumination and without code (621);

Intelligent lighting system (left-hand traffic) and no code (622);

Intelligent lighting system (right-hand traffic):

Right Headlight Assembly (E2).

10
30 Valid for code (614):

Bi-xenon headlamp or code (618);

Bi-xenon headlamp or code (615);

Bi-xenon headlamp or code (616);

Bi-xenon headlamp unit with integrated asymmetric curve illumination or code (621);

Intelligent lighting system (left-hand traffic) or code (622);

Intelligent lighting system (right-hand traffic):

Left Headlight Assembly (E1);

Valid without code (614)

Bi-xenon headlamp assembly and without code (618);

Bi-xenon Headlight without code (615);

Bi-xenon headlamp assembly and without code (616);

Bi-xenon headlight with integrated asymmetric curve illumination and without code (621);

Intelligent lighting system (left-hand traffic) and no code (622);

Intelligent Light System (right-hand traffic) :;

Left Headlight Assembly (E1);

Valid for engine 642:

Internal harness and engine harness electrical connector (X26).

10
31 A. Connected via the horn relay (N10 / 1 kO):

Left horn (H2);

Right horn (H2 / 1).

15
31B Connected via the horn relay (N10 / 1 kO):

Left horn (H2);

Right horn (H2 / 1).

15
32 Valid for engine 272:

Connected via secondary air injection relay (N10 / 1 kP);

Electric air pump (M33).

40
32 Valid for engine 272:

Connected via secondary air injection relay (N10 / 1 kP):

Electric Air Pump (M33)

40
33 Valid for transmission 722.6:

Electronic transmission control unit (N15 / 3)

Valid for transmission 722.9:

Fully integrated transmission control unit (Y3 / 8)

10
34 Valid for engine 271.272 as of 1.9.08:

Fuel pump control unit (N118)

Valid for engine 156 as of 1.9.08:

Left fuel pump control unit (N118 / 3)

Right fuel pump control unit (N118 / 4)

7.5
35 Reserve
36 Reserve
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