Luggage compartment fuse box
As of 01.06.2006
| No. |
Description |
A |
| 20 | Up to 2008: Roof antenna module As of 2009: Interference suppression filter for radio antenna As of 2009: Microphone array control unit (Japanese version) |
5 |
| 21 | RCP [HBF] control unit | 5 |
| 22 | PTS control unit STH radio remote control receiver |
5 |
| 23 | DVD player Rear audio control unit Portable CTEL separation point (Japanese version) E-net compensator Bluetooth module Universal Portable CTEL Interface (UPCI [UHI]) control unit (Japanese version) |
10 |
| 24 | Right front reversible emergency tensioning retractor | 40 |
| 25 | COMAND operating, display and control unit | 15 |
| 26 | Right front door control unit | 25 |
| 27 | Passenger-side front seat adjustment control unit with memory Front passenger seat adjustment comfort relay |
30 |
| 28 | Driver-side front seat adjustment control unit, with memory Driver seat adjustment comfort relay |
30 |
| 29 | Left front reversible emergency tensioning retractor | 40 |
| 30 | As of 2009: Folding rear bench seat control unit Valid for engine 156: Left fuel pump control unit Right fuel pump control unit Valid for model 164.195 (ML 450 Hybrid): Fuel pump control unit circuit 30 connector sleeve |
40 |
| 31 | HS [SIH], seat ventilation and steering wheel heater control unit | 10 |
| 32 | AIRmatic control unit | 15 |
| 33 | KEYLESS-GO control unit | 25 |
| 34 | Left front door control unit | 25 |
| 35 | Amplifier for sound system As of 2009: Subwoofer amplifier |
30 |
| 36 | Emergency call system control unit | 10 |
| 37 | Backup camera power supply module (Japanese version) Backup camera control unit (Japanese version) |
5 |
| 38 | Digital TV tuner Up to 2008: Audio gateway control unit (Japanese version) As of 2009: TV combination tuner (analog/digital) (Japanese version) Valid for model 164.195 (ML 450 Hybrid): High voltage battery module |
10 |
| 39 | Tire pressure monitor [RDK] control unit Up to 2008: SDAR control unit (USA version) As of 2009: High definition tuner control unit As of 2009: Digital Audio Broadcasting control unit As of 2009: External navigation separation point (South Korea version) |
7.5 |
| 40 | Up to 2008: Rear-end door closing control unit | 40 |
| As of 2009: Rear-end door closing control unit | 30 | |
| 41 | Overhead control panel control unit | 25 |
| 42 | Up to 2008: SR motor As of 2009: Overhead control panel control unit |
25 |
| 43 | As of 2009; Valid for engine 272, 273: Fuel pump control unit Up to 31.05.2006: Tailgate wiper motor As of 01.06.2006: Not assigned |
20 |
| 44 | Up to 31.05.2006: Left 2nd seat row socket Up to 31.05.2006: Right 2nd seat row socket As of 01.06.2006: Not assigned As of 2009: Front interior socket (USA) As of 2009: 115V socket |
20 |
| 45 | Cargo area connector box Up to 2008: Front interior socket As of 2009: Right 2nd seat row socket |
20 |
| 46 | Front cigar lighter with ashtray illumination | 15 |
| 47 | Valid for model 164.195 (ML 450 Hybrid): High voltage battery coolant pump As of 2009: Left front illuminated door sill molding As of 2009: Right front illuminated door sill molding |
10 |
| 48 | As of 2009: Rear axle differential lock control unit As of 2009; Valid for engine 642.820: AdBlue® supply relay As of 1.7.09; Valid for model 164.195 or model 164.1 with engine 272 or model 164.8 with engine 642 or 273: Pyrotechnical separator |
5 |
| 49 | Heated rear window | 30 |
| 50 | Up to 31.05.2006: Tailgate wiper motor | 10 |
| As of 01.06.2006: Tailgate wiper motor | 15 | |
| 51 | Activated charcoal canister shutoff valve | 5 |
| 52 | Up to 31.5.09: Left front reversible emergency tensioning retractor Up to 31.5.09: Right front reversible emergency tensioning retractor As of 2009: Rear axle differential lock control unit |
5 |
| 53 | AIRmatic control unit Valid for engine 156: Left fuel pump control unit Right fuel pump control unit Valid for engine 272, 273: Fuel pump control unit As of 2009: Transfer case control unit |
5 |
| 54 | Headlamp range adjustment control unit Front SAM control unit |
5 |
| 55 | Instrument cluster Rotary light switch |
7.5 |
| 56 | Up to 31.05.2006: Data link connector Valid for engine 642.820: AdBlue® control unit Valid for model 164.195: Fuel pump control unit |
5 |
| 57 | Up to 2008: Fuel pump with fuel gauge sensor Valid without engine 156: Fuel pump |
20 |
| 58 | Datalink connector Central gateway control unit |
7.5 |
| 59 | As of 2009: Driver NECK-PRO head restraint solenoid As of 2009: Front passenger NECK-PRO head restraint solenoid |
7.5 |
| 60 | Glove compartment illumination with switch Engine compartment fuse and relay box Rear SAM control unit Cell phone separation point VICS+ETC voltage supply separation point (Japan version) Multicontour seat pneumatic pump (as of 2009) External navigation separation point (South Korea) Electrical connection, Blind-Spot-Monitoring interior rear bumper (as of 1.8.10) Emergency call system control unit (USA) |
5 |
| 61 | Up to 2008: Restraint systems control unit Right front seat contacting strip |
10 |
| As of 2009: Restraint systems control unit Right front seat contacting strip |
7.5 | |
| 62 | Front passenger seat adjustment switch | 30 |
| 63 | Driver lumbar support regulator control unit Front passenger lumbar support regulator control unit Driver seat adjustment switch |
30 |
| 64 | Spare | – |
| 65 | Spare | – |
| 66 | As of 2009: Multicontour seat pneumatic pump | 30 |
| 67 | Rear air conditioning blower motor | 25 |
| 68 | Up to 2008: Left 2nd row seat heated cushion Up to 2008: Right 2nd row seat heated cushion As of 2009: HS [SIH], seat ventilation and steering wheel heater control unit |
25 |
| 69 | As of 2009: Rear axle differential lock control unit | 30 |
| 70 | Trailer hitch socket (13-pin) (as of 2009) Trailer hitch socket (7-pin) |
20 |
| Trailer hitch socket (13-pin) (up to 2008) | 15 | |
| 71 | Electric brake control separation point | 30 |
| 72 | Trailer hitch socket (13-pin) | 15 |
| Relay | ||
| K | Up to 31.05.2006: Terminal 15R power outlet relay, with power-down As of 01.06.2006: Circuit 15R seat adjustment As of 2009: Relay, circuit 15R sockets (with K power-down) (power supply of electric seat adjustment) |
|
| L | Terminal 30X | |
| M | Heated rear window relay | |
| N | Circuit 15 relay / terminal 87FW | |
| O | Fuel pump relay | |
| P | Rear wiper relay | |
| R | Circuit R relay115R | |
| S | Reserve 1 (changer) (power supply for front socket) | |
| T | As of 01.06.2006Circuit 30, socket for 2nd seat row and load compartment As of 2009: Reserve 2 (normally open contact) (power supply for center and rear sockets) |
|
| U | As of 01.06.2006Circuit 30, trailer | |
| V | As of 01.06.2006 – | |
Engine compartment fuse box
| No. |
Description |
A |
| 100 | Wiper motor | 30 |
| 101 | AAC with integrated control additional fan motor Valid for engine 156: Terminal 87 M3e connector sleeve Valid for engine 156, 272, 273: Purge control valve Valid for engines 272, 273: Circuit 87 M1e connector sleeve Suction-type fan control unit Valid for engine 629: CDI control unit Circuit 30 connector sleeve Suction fan control unit Valid for model 164.195: ME-SFI [ME] control unit Engine compartment/engine connector Valid for engine 642 except 642.820: CDI control unit O2 sensor upstream of CAT Suction fan control unit Valid for engine 642.820: O2 sensor upstream of CAT |
15 |
| 102 | Valid for engine 642.820 up to 31.7.10: Recirculation pump for transmission oil cooler Valid for engine 156: Engine coolant circulation pump |
15 |
| Valid for model 164.195: Recirculation pump for transmission oil cooler Low temperature coolant pump |
10 | |
| 103 | Circuit 87 M1e connector sleeve CDI control unit Up to 2008; Valid for engines 113, 272, 273: ME-SFI [ME] control unit |
25 |
| Valid for model 164.195: ME-SFI [ME] control unit Valid for engine 272, 273:ME-SFI [ME] control unit |
20 | |
| 104 | Valid for engine 156, 272, 273: Terminal 87M2e connector sleeve Valid for engine 629: Terminal 87 connector sleeve Valid for engine 642.820: Terminal 87 D2 connector sleeve Valid for engine 642 except 642.820: CDI control unit Valid for model 164.195: Interior and engine wiring harness connector Engine compartment fuse and relay box Valid for engine 113: ME control unit |
15 |
| 105 | Valid for engine 156, 272, 273: ME-SFI [ME] control unit Circuit 87 M1 i connector sleeve Valid for engine 629: CDI control unit Valid for engine 642.820: CDI control unit Fuel pump relay Valid for engine 642 except 642.820: CDI control unit Fuel pump relay (as of 2009) Starter (up to 2008) Valid for model 164.195: Interior and engine wiring harness connector Valid for engine 113: Circuit 15 connector sleeve, fused |
15 |
| 106 | Spare | – |
| 107 | Valid for engine 156, 272 and 273: Electric air pump Valid for model 164.195: Engine compartment/engine connector |
40 |
| 108 | AIRMATIC compressor unit | 40 |
| 109 | ESP control unit Valid for model 164.195: Regenerative braking system control unit |
25 |
| 110 | Alarm signal siren | 10 |
| 111 | Intelligent servo module for DIRECT SELECT | 30 |
| 112 | Left front lamp unit Right front lamp unit |
7.5 |
| 113 | Left fanfare horn Right fanfare horn |
15 |
| 114 | Up to 2008: – As of 2009: Front SAM control unit Valid for engine 629: CDI control unit |
5 |
| 115 | ESP control unit Valid for model 164.195: Regenerative braking system control unit |
5 |
| 116 | Electric controller unit (VGS) Valid for model 164.195: Hybrid vehicle fully integrated transmission control controller unit |
7.5 |
| 117 | DTR controller unit | 7.5 |
| 118 | Valid for engine 156, 272, 273: ME-SFI [ME] control unit Valid for engine 629, 642: CDI control unit |
5 |
| 119 | Valid for engine 642.820: CDI control unit | 5 |
| 120 | Valid for engine 156, 272, 273: ME-SFI [ME] control unit Engine circuit 87 relay Valid for engine 113: ME-SFI [ME] control unit Valid for engine 629: CDI control unit Valid for engine 629, 642: Engine circuit 87 relay |
10 |
| 121 | STH heater unit Valid for model 164.195: Fuse and relay box 2, engine compartment |
20 |
| 122 | Valid for engine 156, 272, 273, 629, 642: Starter Valid for engine 113, 272, 273: ME-SFI [ME] control unit |
25 |
| 123 | Valid for engine 642: Fuel filter condensation sensor with heating element Valid for engine 629, 642 as of 1.9.08: Fuel filter condensation sensor with heating element |
20 |
| 124 | Valid for model 164.120/122/822/825 as of 1.6.09, Model 164.121/124/125/824: Electrohydraulic power steering Valid for model 164.195: Electrohydraulic power steering Electric refrigerant compressor control unit |
7.5 |
| 125 | Valid for model 164.195: Power electronics control unit | 7.5 |
| Relay | ||
| A | Wiper level relay 1/2 | |
| B | Wiper ON / OFF | |
| C | Valid for engine 642: Additional circulation pump for transmission oil cooling Valid for engine 156: Engine coolant circulation pump |
|
| D | Terminal 87 engine | |
| E | Secondary air injection pump | |
| F | Fanfare horn | |
| G | Air suspension compressor | |
| H | Circuit 15 | |
| I | Starter | |
Battery compartment prefuse box
| No. |
Description |
A |
| 78 | up to 30.6.09: PTC heater booster | 100 |
| up to 2008; as of 1.7.09: PTC heater booster | 150 | |
| 79 | Rear SAM control unit | 60 |
| 80 | Rear SAM control unit | 60 |
| 81 | Valid for engine 642.820: AdBlue® relay supply | 40 |
| Valid as of 1.7.09 without engine 642.820: Engine compartment fuse and relay box Valid for model 164.195: Vacuum pump relay (+) Up to 2008: – |
150 | |
| 82 | Load compartment fuse and relay box | 100 |
| 83 | Weight Sensing System (WSS) control unit | 5 |
| 84 | Restraint systems control unit | 10 |
| 85 | As of 2009: DC/AC converter control unit (115 V socket) | 25 |
| Up to 2008: Intelligent servo module for DIRECT SELECT | 30 | |
| 86 | Cockpit fuse box | 30 |
| 87 | Transfer case control unit | 30 |
| Valid for model 164.195:Fuse and relay box 2, engine compartment | 15 | |
| 88 | Front SAM control unit | 70 |
| 89 | Front SAM control unit | 70 |
| 90 | Front SAM control unit | 70 |
| 91 | As of 2009: AC air recirculation unit Up to 2008: Blower regulator |
40 |
Front prefuse
| No. |
Description |
A |
| 4 | Spare | – |
| 5 | Valid for model 164.195 (ML 450 Hybrid): Regenerative braking system control unit | 40 |
| 6 | ESP control unit | 40 |
| Valid for model 164.195 (ML 450 Hybrid): Electrohydraulic power steering | 80 | |
| 7 | AAC with integrated control additional fan motor | 100 |
| 8 | up to 2008: Engine compartment fuse and relay box | 150 |
| as of 2009: Engine compartment fuse and relay box | 100 |
Fuse box in passenger compartment
| No. |
Description |
A |
| 10 | Booster blower electronic blower controller | 10 |
| 11 | Instrument cluster | 5 |
| 12 | AAC [KLA] control and operating unit Comfort AAC [KLA] control and operating unit |
15 |
| 13 | Steering column module Upper control panel control unit | 5 |
| 14 | EIS [EZS] control unit | 7.5 |
| 15 | Electronic compass Media interface control unit |
5 |
| 16 | Spare | – |
| 17 | Spare | – |
| 18 | Spare | – |
AdBlue® fuse block
| No. |
Description |
A |
| A | AdBlue® control unit | 15 |
| B | AdBlue® control unit | 20 |
| C | AdBlue® control unit | 7.5 |
| D | Spare | – |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.