Table of Contents
The Mercedes-Benz Actros is a family of heavy-duty trucks and tractor units with a gross vehicle weight (GVW) from 18 to 25 tonnes, produced since 1996. In this article, we take a detailed look at the fuse box diagrams for the fourth-generation Mercedes-Benz Actros (MP4 series) for model years 2013, 2014, 2015, 2016, 2017, and 2018.
Below you will find distribution box locations and diagrams. The fuses for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.
Cabin Fuse Box
The distribution box is located on the passenger side in the lower section of the dashboard. To access it, loosen the retaining clips (2) and remove the protective cover (1).
Main fuse block assembly overview.
Type 1
| General Component Layout on the Unit | |
|
|
| 1 | Relay board (A32) |
| 2 | Base module / Main board (GM) |
| 3 | Relay board (A31) |
| 4 | Auxiliary fuse blocks (A1 and A2) |
| GM Main Fuse Board Diagram (SSAM Version) | ||
|---|---|---|
|
||
| No. | Circuit / Function | Rating (A) |
| F1 | Braking system – Terminal 30.1 | 20 |
| F2 | Diagnostic socket (OBD) | 10 |
| F3 | Auxiliary heater system | 15 |
| - | Predictive Powertrain Control (PPC) module | 15 |
| - | 12 V voltage converter | 15 |
| F4 | Toll Collect system | 10 |
| - | Steering angle sensor | 10 |
| - | Telephone / Hands-free module | 10 |
| - | Fleet Management System (FMS) | 10 |
| - | Tire Pressure Monitoring System (TPMS) | 10 |
| - | Rear sleeper / auxiliary compartment lighting – Terminal 30 | 10 |
| - | ERA-GLONASS emergency call system | 10 |
| F5 | LSVA (Heavy vehicle fee system) | 15 |
| - | Sliding sunroof | 15 |
| - | Anti-theft alarm system (EDW) | 15 |
| - | CB radio | 15 |
| F6 | HVAC / Heating system | 10 |
| - | Driver assistance systems | 10 |
| - | Reading lamp – Terminal 30 | 10 |
| - | Proximity / Distance sensor | 10 |
| F7 | Electronic Air Processing Unit (EAPU) – Terminal 30 | 20 |
| F8 | Electronic level control / Air suspension (ENR) | 25 |
| - | Retarder | 25 |
| F9 | Bodybuilder electrical equipment – Terminal 15 | 10 |
| - | Toll Collect system | 10 |
| - | BlueTec® exhaust aftertreatment system | 10 |
| - | ERA-GLONASS | 10 |
| F10 | Trailer stop lights | 20 |
| - | Bodybuilder stop lights | 20 |
| F11 | Parameterizable Special Module (PSM) | 20 |
| - | Refrigerator box – Terminal 30 | 20 |
| F12 | Drive program control system | 20 |
| - | Tachograph – Terminal 30 | 20 |
| F13 | 12 V voltage converter | 25 |
| - | Radio / Navigation system – Terminal 30 | 25 |
| - | Turbo retarder clutch (VIAB) | 25 |
| F14 | Bodybuilder equipment – Terminal 30 | 10 |
| F15 | Transmission control unit – Terminal 30.1 | 15 |
| F16 | Trailer ABS/EBS | 10 |
| F17 | Spare | |
| F18 | Seat heating system | 15 |
| F19 | Spare | |
| F20 | 24 V high-current power socket | 25 |
| - | Third-party bodybuilder electrical equipment | 15 |
| - | CB radio | 15 |
| F21 | Fuel pre-filter heater with water separator | 15 |
| - | Power distributor – Terminal D+ | 15 |
| F22 | Bodybuilder connector – Terminal D+ | 10 |
| Fuel pre-filter heater with water separator | 10 | |
| F23 | Spare | |
| F24 | Spare | |
| F25 | Trailer ABS/EBS | 20 |
| F26 | Trailer socket | 20 |
| Trailer voltage converter – Terminal 30 | 20 | |
| F27 | Driver door control module | 20 |
| F28 | Spare | |
| F29 | Front passenger door control module | 20 |
| F30 | Spare | |
| F31 | Spare | |
| F32 | Roof storage compartment interior lamps | 10 |
| - | Voltage converter with remote output | |
| F33 | 24 V power sockets | 25 |
| - | Auxiliary 24 V power socket | 25 |
| F34 | Spare | |
| F35 | HVAC blower fan | 25 |
| F36 | Hydraulic Auxiliary Drive (HAD) | 5 |
| - | MEILLER bodybuilder interface socket | 5 |
| - | Tachograph | 5 |
| - | Instrument cluster | 5 |
| - | Braking system | 5 |
| - | Auxiliary headlights | 5 |
| - | Airbag system | 5 |
| - | LSVA toll system | 5 |
| - | Predictive Powertrain Control (PPC) module | 5 |
| - | Telephone | 5 |
| - | Fleet Management System (FMS) | 5 |
| - | Transmission control system | 5 |
| - | Battery isolation switch – Terminal 15 | 5 |
| F37 | Braking system – Terminal 30.2 | 20 |
| F38 | Driver assistance systems | 10 |
| - | Reversing camera | 10 |
| - | Engine control unit (MR/ACM) – Terminal 15 | 10 |
| - | Swap body connector – Terminal 15 | 10 |
| F39 | Transmission control unit – Terminal 30.2 | 15 |
| F40 | Drive program control system | 10 |
| - | Parameterizable Special Module (PSM) – Terminal 15 | 10 |
| F41 | Retarder | 10 |
| - | Electronic Air Processing Unit (EAPU) – Terminal 15 | 10 |
| F42 | Cigarette lighter (Mercedes-Benz Actros MP4) | 5 |
| - | 15 A power outlet | 15 |
| K1 | Spare | |
| K2 | Signal booster / Relay – Terminal D+ | |
| K3 | Transmission oil cooler | |
| K4 | Signal booster / Relay – Terminal 15 | |
| K5 | ||
| K6 | Trailer stop light relay | |
| K7 | Signal booster / Relay – Terminal 15 | |
| K8 | Bistable relay | |
| K9 | ||
| GM Main Fuse Board Diagram (SCA Version) | ||
|---|---|---|
|
||
| No. | Circuit / Function | Rating (A) |
| F2 | Driver door control module | 20 |
| F3 | Front passenger door control module | 20 |
| F4 | Drive program control system | 20 |
| - | Tachograph – Terminal 30 | 20 |
| F5 | Parameterizable Special Module (PSM) | 15 |
| - | Power distributor – Terminal 30 | 15 |
| F6 | HVAC blower fan | 25 |
| - | Auxiliary stationary air conditioner | 25 |
| F7 | Radio / Navigation system | 25 |
| - | 12 V voltage converter | 25 |
| - | Power distributor – Terminal 30 | 25 |
| F8 | Refrigerator box | 20 |
| - | Auxiliary heater system | 20 |
| - | 12 V voltage converter | 20 |
| - | Predictive Powertrain Control (PPC) module – Terminal 30 | 20 |
| - | LSVA toll system | 20 |
| F9 | Diagnostic socket (OBD) | 10 |
| F10 | HVAC / Heating system | 10 |
| - | Proximity / Distance sensor | 10 |
| - | Driver assistance systems – Terminal 30 | 10 |
| F11 | Toll Collect system | 10 |
| - | Rear wall sleeper / auxiliary compartment lighting | 10 |
| - | Reading lamp | 10 |
| - | Telephone | 10 |
| - | Tire Pressure Monitoring System (TPMS) | 10 |
| - | Fleet Management System (FMS) – Terminal 30 | 10 |
| - | ERA-GLONASS | 10 |
| F12 | Sliding sunroof | 15 |
| - | Anti-theft alarm system (EDW) | 15 |
| - | LSVA toll system | 15 |
| - | Steering angle sensor | 15 |
| F13 | Electronic level control / Air suspension (ENR) | 25 |
| - | Turbo retarder clutch (VIAB) | 25 |
| - | Retarder | 25 |
| F14 | Bodybuilder connector – Terminal 30 | 10 |
| F15 | Trailer socket | 20 |
| - | Trailer voltage converter – Terminal 30 | 20 |
| F16 | Trailer ABS/EBS – Terminal 30 | 20 |
| F17 | Ignition switch | 5 |
| - | Central Gateway (CGW) | 5 |
| F18 | Modular Switch Panel (MSF) | 5 |
| - | Voltage converter with remote output | 5 |
| - | Instrument cluster – Terminal 30 | 5 |
| F19 | Cigarette lighter fuse | 6 |
| - | Power socket – Terminal 15 | 15 |
| F20 | Seat heating system | 20 |
| - | Power distributor – Terminal 15 | 20 |
| F21 | Fuel pre-filter heater with water separator | 15 |
| - | Power distributor – Terminal D+ | 15 |
| F22 | Bodybuilder connector – Terminal D+ | 10 |
| - | Fuel pre-filter heater with water separator | 10 |
| F23 | BlueTec® exhaust aftertreatment system | 5 |
| - | Sunblind / Sunshade | 5 |
| - | Fifth wheel / Trailer coupling | 5 |
| - | Toll Collect system | 5 |
| - | MEILLER bodybuilder interface socket | 5 |
| - | Hydraulic Auxiliary Drive (HAD) – Terminal 15 | 5 |
| - | ERA-GLONASS | 5 |
| F24 | Instrument cluster | 5 |
| - | Battery isolation switch | 5 |
| - | Tachograph | 5 |
| - | Braking system | 5 |
| - | Airbag system | 5 |
| - | Telephone | 5 |
| - | Transmission control system | 5 |
| - | Fleet Management System (FMS) | 5 |
| - | Auxiliary headlights | 5 |
| F25 | Trailer ABS/EBS | 10 |
| F26 | Drive program control system | 10 |
| - | Parameterizable Special Module (PSM) – Terminal 15 | 10 |
| F27 | Engine control unit (MR/ACM) – Terminal 15 | 10 |
| - | Reversing camera | 10 |
| - | Driver assistance systems | 10 |
| - | Predictive Powertrain Control (PPC) module – Terminal 15 | 10 |
| F28 | Retarder | 10 |
| - | Turbo retarder clutch (VIAB) | 10 |
| - | Electronic Air Processing Unit (EAPU) – Terminal 15 | 10 |
| F29 | Transmission control unit – Terminal 30.1 | 15 |
| - | CB radio | 15 |
| F30 | Braking system – Terminal 30.2 | 20 |
| F31 | Trailer stop lights | 15 |
| F32 | 24 V power sockets | 25 |
| - | Auxiliary 24 V power socket | 25 |
| F33 | Roof storage compartment interior lamps | 10 |
| - | Voltage converter with remote output | 10 |
| F34 | 24 V high-current power socket | 25 |
| - | 12 V voltage converter | 25 |
| - | Third-party bodybuilder electrical equipment | 15 |
| F35 | Spare | |
| F36 | Electronic Air Processing Unit (EAPU) – Terminal 30 | 20 |
| F37 | Transmission control unit – Terminal 30.2 | 15 |
| K1 | Signal booster / Relay – Terminal 15 | |
| K2 | Signal booster / Relay – Terminal D+ | |
| K3 | Signal booster / Relay – Terminal 15 | |
| K4 | Transmission oil cooler | |
| K5 | Signal booster / Relay – Terminal 15 | |
| K6 | Trailer stop light relay | |
| K7 | Bistable relay | |
| K8 | ||
| K9 | Spare | |
| Auxiliary Fuse Blocks A1 and A2 | ||
|---|---|---|
|
||
| No. | Circuit / Function | Rating (A) |
| Auxiliary Block A1 | ||
| F1 | Cab tilt pump | 5 |
| F2 | Tail lift | 10 |
| F3 | Rotating beacon / Flashing light | 10 |
| F4 | Work lamp / Working spotlight | 10 |
| - | Swap body connector | 10 |
| F5 | Illuminated Mercedes-Benz star | 10 |
| - | Inspection lamp socket | 10 |
| F6 | Third-party bodybuilder electrical equipment | 15 |
| F7 | Heated windshield | 25 |
| F8 | 25 | |
| F9 | Transfer case oil cooler | 10 |
| - | Hydraulic Auxiliary Drive (HAD) | 10 |
| F10 | Fuel pre-filter heater with water separator | 15 |
| F11 | Auxiliary stationary air conditioner | 20 |
| F12 | Hydraulic Auxiliary Drive (HAD) | 15 |
| F13 | Spare | |
| F14 | Spare | |
| Auxiliary Block A2 | ||
| F1 | MEILLER bodybuilder interface socket | 10 |
| F2 | Third-party bodybuilder equipment 2 & 3 | 20 |
| - | Bodybuilder trailing/tag axle switch | 20 |
| F3 | Steered trailing/tag axle | 10 |
| F4 | Auxiliary headlights | 15 |
| F5 | Air control / Tire inflation system | 10 |
| F6 | Subwoofer | 10 |
| F7 | ADR dangerous goods equipment (UK specification) | 5 |
| F8 | Low-roof cab interior lighting | 5 |
| F9 | CB radio | 5 |
| F10 | Radio / Navigation system | 15 |
| F11 | Auxiliary stationary air conditioner | 5 |
| - | Antenna amplifier | 5 |
| - | Sideguard Assist / Cornering assistant | 5 |
| F12 | 12 V radio receiver | 10 |
| F13 | Spare | |
| F14 | Spare | |
| Relay Board A31 | |
|---|---|
|
|
| No. | Description / Function |
| K1 | Work lamp / Working spotlight |
| - | Swap body connector |
| K2 | Transfer case oil cooler |
| K3 | Fuel pre-filter heater with water separator |
| K4 | Tail lift |
| - | Hydraulic Auxiliary Drive (HAD) cutoff |
| K5 | Tail lift |
| - | Hydraulic Auxiliary Drive (HAD) cutoff |
| K6 | 12 V radio – Terminal 58 |
| K7 | 12 V radio – Terminal 15R |
| - | Subwoofer |
| K8 | Auxiliary headlights – Terminal 58 |
| K9 | Low-roof cab interior lighting |
| K10 | |
| Relay Board A32 | |
|---|---|
|
|
| No. | Description / Function |
| K1 | Heated windshield |
| K2 | |
| K3 | Auxiliary high-beam headlights – Terminal 56a |
| K4 | Spare |
| K5 | |
| K6 | |
Type 2
Component legend and layout.