The Mercedes-Benz GLK-Class (X204), a compact luxury SUV, was manufactured from 2009 to 2015. This guide provides detailed fuse box diagrams for various GLK models, including the GLK200, GLK220, GLK250, GLK280, GLK320, and GLK350, across the years 2009 to 2015. You’ll find information on where the fuse panels are located within the vehicle, along with a comprehensive breakdown of each fuse’s assignment (fuse layout) and the relays.
Table of Contents
Cigar lighter (power outlet) fuses in the Mercedes-Benz GLK-Class are the fuse #9 (Glove compartment socket) in the Engine Compartment Fuse Box, and fuses #71 (Front cigarette lighter / Front interior power outlet), #72 (115 V socket), #76 (Interior power outlet) in the Luggage Compartment Fuse Box.
Engine Compartment
| Fuse Number | Fused function | Fuse Amp |
|---|---|---|
| 1 | Electronic Stability Program control unit (N30/4) | 25 |
| 2 | Left front door control unit (N69/1) | 30 |
| 3 | Right front door control unit (N69/2) | 30 |
| 4 | Valid for engine 271.272 up to 31.8.08: • Fuel pump control unit (N118) Valid for engine 156 up to 31.8.08: • Left fuel pump control unit (N118/3) • Right fuel pump control unit (N118/4) | 7.5 |
| 4 | Valid for diesel engine as of 1.9.08: • Fuel filter condensation sensor with heating element (B76/1) | 20 |
| 5 | Instrument cluster (A1) Valid as of 1.6.10 • Exterior lights switch (S1) | 7.5 |
| 6 | Valid for diesel engine: • ME-SFI [ME] control unit (N3/10) Valid for gasoline engine: • CDI control unit (N3/9) | 10 |
| 7 | Fused via terminal 50 relay, starter (N10/1kM): • Starter (M1) | 20 |
| 8 | Supplemental restraint system control unit (N2/10) | 7.5 |
| 9 | Glove compartment 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 incl. 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 incl. 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 operating unit (N22/7) Valid for code (220) PARKTRONIC or code (483) ADVANCED AGILITY package or code (540) Roller sun blind or code (873) Left and right front seat heater or code (B03) ECO start/stop function or code (430) Offroad package: • Upper control panel control unit (N72/1) | 7.5 |
| 13 | Steering column module control unit (N80) | 7.5 |
| 14 | Electronic Stability Proqram control unit (N30/4) | 7.5 |
| 15 | Supplemental restraint system control unit (N2/10) | 7.5 |
| 16 | Valid for code (386) Cellular phone: • Mobile phone electrical connector (X39/37) Valid for transmission 722: • Electronic selector lever module control unit (N15/5) Valid for code (B03) ECO start/stop function Connected through the reserve relay (N10/1kQ): • Electric transmission oil pump (M42) | 5 |
| 17 | Valid for code (413) Panoramic glass sunroof with top sliding sunroof: • Panoramic sliding roof control module (A98) Valid for model 204.0/2 with code (414) Power glass tilting/sliding roof: • Overhead control panel control unit (N70) | 30 |
| 18 | Valid up to 30.11.09: • Exterior lights switch (S1) | 7.5 |
| 19 | Electric steering lock control unit (N26/5) Electronic ignition lock control unit (N73) | 20 |
| 20 | Electronic Stability Program control unit (N30/4) | 40 |
| 21 | Stop lamp switch (S9/1) Glove compartment lamp switch (S17/9) Valid for code (U18) Automatic child seat recognition (ACSR): • Front passenger seat occupied recognition and ACSR (B48) Valid without code (494) USA version and without code (U18) Automatic child seat recognition (ACSR [AKSE]): • Front passenger seat occupied recognition (B41/1) | 7.5 |
| 22 | Combustion engine fan motor and air conditioning with integrated control (M4/7) Valid for engine 271: • Terminal 87M2e connector sleeve (Z7/36) Valid for engine 272 with code (494) USA version: • Terminal 87M2e connector sleeve (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) • Vent line heater element (R39/1) Valid for engine 646: • CDI control unit (N3/9) • Terminal 87 connector sleeve (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 M1i connector sleeve (Z7/38) | 20 |
| 24 | Valid for engine 272: • Circuit 87 M1e connector sleeve (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] control unit (N3/10) 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) MB Audio 20 radio: • Radio (A2) Valid for code (525) MB Audio 50 APS radio or code (511) Audio 50 APS incl. DVD changer: • Radio with auto pilot system (A2/56) Valid for code (527) COMAND APS with single DVD drive (with navigation) or code (512) COMAND APS incl. DVD changer or as of 1.6.09 with code (528) COMAND incl. DVD changer • COMAND controller unit (A40/3) | 20 |
| 27 | Electric steering 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 unit or code (618) Bi-xenon headlamp or code (615) Bi-xenon headlamp unit or code (616) BIXen on headlamp unit with integrated asymmetrical curve illumination or code (621) Intelligent Light System (left-hand traffic) or code (622) Intelligent Light System (right-hand traffic): • Right front lamp unit (E2) Valid without code (614) Bi-xenon headlamp unit and without code (618) Bi-xenon headlamp and without code (615) Bi-xenon headlamp unit and without code (616) Bi-xenon headlamp unit with integrated asymmetric curve illumination and without code (621) Intelligent Light System (left-hand traffic) and without code (622) Intelligent Light System (right-hand traffic): • Right front lamp unit (E2) | 10 |
| 30 | Valid for code (614) Bi-xenon headlamp unit or code (618) Bi-xenon headlamp or code (615) Bi-xenon headlamp unit or code (616) BIXen on headlamp unit with integrated asymmetrical curve illumination or code (621) Intelligent Light System (left-hand traffic) or code (622) Intelligent Light System (right-hand traffic): • Left front lamp unit (E1) Valid without code (614) Bi-xenon headlamp unit and without code (618) Bi-xenon headlamp and without code (615) Bi-xenon headlamp unit and without code (616) Bi-xenon headlamp unit with integrated asymmetric curve illumination and without code (621) Intelligent Light System (left-hand traffic) and without code (622) Intelligent Light System (right-hand traffic): • Left front lamp unit (E1) Valid for engine 642: • Electrical connector for interior harness and engine wiring harness (X26) | 10 |
| 31A | Connected through the horn relay (N10/1 kO): • Left fanfare horn (H2) • Right fanfare horn (H2/1) | 15 |
| 31B | Connected through the horn relay (N10/1 kO): • Left fanfare horn (H2) • Right fanfare horn (H2/1) | 15 |
| 32 | Valid for engine 272:Connected through the secondary air injection relay (N10/1 kP): • Electric air pump (M33) | 40 |
| 32 | Valid for engine 272:Connected through the secondary air injection relay (N10/1 kP): • Electric air pump (M33) | 40 |
| 33 | Valid for transmission 722.6: • Electronic transmission-control control unit (N15/3) Valid for transmission 722.9: • Fully integrated transmission control controller 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 | Spare | – |
| 36 | Spare | – |
Luggage Compartment
| Fuse Number | Fused function | Fuse Amp |
|---|---|---|
| 37 | Driver seat NECK-PRO head restraint solenoid (Y24/12) Front passenger seat NECK-PRO head restraint solenoid (Y24/13) | 5 |
| 38 | Valid for model 204.2/9:Connected through the liftgate wiper relay (N10/2kE): • Tailgate wiper motor (M6/4) | 15 |
| 39 | Valid except for vehicles for Great Britain up to 31.5.09: • Left rear door control unit (N69/3) | 30 |
| 40 | Spare | – |
| 41 | Valid up to 31.3.10: • Right rear door control unit (N69/4) Valid as of 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 through 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 without code (275) Memory package (driver seat, steering column, mirrors): • Switch group, right front seat setting (S23) Valid without code (494) USA version and without code (460) Canada version and without code (275) Memory package (driver seat, steering column, mirrors): • Front passenger seat partially electric seat adjustment switch (S23/1) | 30 |
| 45 | Valid for model 204.0/9 with code (494) USA version or with code (460) Canada version and without code (275) Memory package (driver 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 seat, steering column, mirrors): • Driver seat partially electric seat adjustment switch (S22/1) | 30 |
| 46 | Antenna amplifier for rear window FM antenna(A2/19) Valid up to 31.5.10 with code (551) Antitheft alarm system (ATA [EDW]) and as of 1.6.10 with code (551) Antitheft alarm system (ATA [EDW]) and without code (494) USA version: • Alarm siren (H3/1) • Interior protection and tow-away protection control unit (N26/6) Valid for model 204.2: • Rear window antenna amplifier 1 (A2/71) Valid for model 204.2 with code (498) Japan version: • Antenna amplifier for rear window FM antenna(A2/19) • TV 1 antenna amplifier and DAB Band III (A94/1) Valid for model 204.2 with code (537) Digital radio: • DAB Band III antenna amplifier (A95/2) Valid for code (498) Japan version and code (889) Keyless-Go: • TV 2 antenna amplifier and KEYLESS-GO (A94/2) (with model 204.0/9) • KEYLESS-GO antenna amplifier (A94/4) (with model 204.2) Valid for code (889) Keyless Go: • Antenna amplifier for rear window FM antenna(A2/19) | 7.5 |
| 47 | Spare | – |
| 48 | Spare | – |
| 49 | Switched via the rear window heater relay (N10/2kC): • Rear window heater (R1) | 40 |
| 50 | Valid for code (299) PRE-SAFE: • Right front reversible emergency tensioning retractor (A76/1) | 50 |
| 51 | Valid for code (299) PRE-SAFE: • Left front reversible emergency tensioning retractor (A76) | 50 |
| 52 | Spare | – |
| 53 | Valid up to 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 up to 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 bolster adjustment switch group (S109/4) • ront passenger seat lumbar support and side bolster adjustment switch group (S109/5) • Front passenger seat AMG valve block (Y109/3) • Driver seat AMG valve block (Y109/2) | 7.5 |
| 55 | Spare | – |
| 56 | Valid up to 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 up to 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) Left/right front multicontour seats: • Multicontour seat pneumatic pump (M40) | 7.5 |
| 61 | Valid for model 204 2/9 with code (890) EASY-PACK tailgate: • Liftgate-control control unit (N121/1) | 40 |
| 62 | Valid as of 1.06.09 with code (275) Memory package (driver seat, steering column, mirrors): • Driver seat control unit (N32/1) | 30 |
| 63 | Valid as of 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) 115V power outlet in cargo area: • DC/AC converter control unit (N24/3) | 25 |
| 65 | Valid as of 1.06.09 with model 204.0/2 with code (483) ADVANCED AGILITY package: • Adaptive damping system control unit (N51/5) | 15 |
| 66 | Spare | – |
| 67 | Valid for code (810) sound system: • Sound system amplifier control unit (N40/3) | 30 |
| 68 | Spare | – |
| 69 | Valid for model 204.9 with code (810) Sound system: • Rear bass speaker 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 package/smoker package: • Front cigarette lighter with ashtray illumination (R3) Valid without code (301) Ashtray package/smoker package: • Front vehicle interior power outlet (X58/17) | 15 |
| 72 | Valid for model 204.2: • Cargo area connector box (X58/4) Valid for model 204.0/9 with code (U80) 115V power outlet in cargo area: • 115 V socket (X58/34) | 15 |
| 73 | Valid as of 1.6.09 • Diagnostic connector (X1114) Valid for code (228) stationary heater: • Stationary heater radio remote control receiver (A6/1) | 7.5 |
| 74 | Valid for code (889) Keyless Go: • KEYLESS-GO control unit (N69/5) | 15 |
| 75 | Valid for code (228) stationary heater: • Stationary heater unit (A6) | 20 |
| 76 | Vehicle interior power outlet (X58/1) | 15 |
| 77 | Valid for model 204.0/9 with code (494) USA version: • Weight Sensing System (WSS) control unit (N110) | 7.5 |
| 78 | Spare | – |
| 79 | Spare | – |
| 80 | Spare | – |
| 81 | Valid for code (518) Media interface: • Media interface control unit (N125/1) | 5 |
| 82 | Valid for code (228) Stationary heater or code (386) Mobile phone: • Cellular telephone system compensator UMTS (A28/13) Valid up to 31.5.09 with code (498) Japan version: • TV tuner control unit (N143) Valid as of 1.6.09 with code (498) Japan version: • Digital TV tuner (A90/3) | 5 7.5 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 up to 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 as of 1.6.09 and up to 31.5.10 with model 204.0/9 with code (536) SIRIUS satellite radio: • SDAR/high definition tuner control unit (N87/8) Valid for code (537) Digital radio • Digital Audio Broadcasting control unit (N87/3) Valid for code (218) Backup camera and without code (498) Japan version: • Backup camera power supply module (N66/10) Valid for code (218) Backup camera and code (498) Japan version: • Backup camera control unit (N66/2) | 7.5 |
| 85 | Valid up to 31.5.09 with code (498) Japan version: • TV tuner control unit (N143) Valid as of 1.6.09 with code (498) Japan 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 call system: • Emergency call system control unit (N123/4) | 7.5 |
| 88 | Valid as of 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 | Valid as of 1.6.09 • Spare | – |
| 91 | Valid for model 204.0/9 with code (U80) 115V power outlet in cargo area: • DC/AC converter control unit (N24/3) | 25 |
| 92 | Valid as of 1.6.09 • Spare | – |
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Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.