Mercedes-Benz A-Class W176 (2012-2018) – fuse box
Mercedes-Benz A-Class W176 (2012-2018) – fuse box diagram
Year of production: 2012, 2013, 2014, 2015, 2016, 2017, 2018.
The cigarette lighter fuse (power socket) on the Mercedes A-Class w176 (2012-2018) is fuse 72 in the fuse box in the passenger footwell .
Fuse box in the engine compartment
Number | Description | Amperes [A] |
201 | Alarm siren | 5 |
202 | Stationary heater control unit | 20 |
203 | LED headlight:
Right front headlight |
15 |
204 | Electronic stability program control unit | 25 |
205 | Left horn;
Right horn. |
15 |
206 | Valid for engine 651:
CDI control unit; Valid for engine 607: Powertrain control unit. |
5 |
207 | Valid for diesel engine:
Circuit relay 87M |
5 |
208 | Valid for engine 133, 607:
Circuit relay 87 |
7.5 |
209 | LED headlight:
Left front headlight |
15 |
210 | Heated windshield relay;
from 01/09/2015: Starter front relay. |
5 |
211 | Not used | – |
212 | Valid for engine 133, 270:
Connecting sleeve, circumference 87M3; Applies to S ilnik 651: Heating element of the deaeration hose; Coolant thermostat heating element; Exhaust gas recirculation cooler bypass reversing valve; Valid for engine 607 (EU5 emission standard): Oxygen sensor in front of the catalyst; Boost pressure positioner; Valid for engine 607 (EU6 emission standard): Oxygen sensor in front of the catalyst; Valid for engine 607: CDI control unit. |
15 |
213 | Valid for engines 133, 270, 651:
Joint sleeve, circumference 87 M2e; Valid for engine 607 (EU5 emission standard): Camshaft; Hall sensor; CDI control unit; Quantity control valve ; Valid for engine 607 (EU6 emission standard): Oxygen sensor after catalytic converter; CDI control unit. |
15 |
214 | Valid for engines 133, 270, 651:
Connecting sleeve, circumference 87 M4e |
10 |
215 | Valid for gasoline engine:
Cylinder 1 ignition coil; Cylinder 2 ignition coil; Cylinder 3 ignition coil; Cylinder 4 ignition coil; Valid for engine 651: Quantity control valve Valid for engine 607: CDI control unit; Boost pressure regulator ; Quantity control valve. |
20 |
216 | Valid for gasoline engine:
ME-SFI control unit; Valid for engine 607: Powertrain control unit. |
5 |
217 | Valid with gearbox 724:
The fully integrated control unit gearbox transmission with double clutch. |
25 |
218 | Electronic stability program control unit | 5 |
219 | Not used | – |
220 | Gear coolant circulation pump | 10 |
221 | Not used | – |
222 | Not used | – |
223 | Not used | – |
224 | Electric controller DISTRONIC;
COLLISION PREVENTION ASSIST control unit. |
7.5 |
225 | Not used | – |
226 | Not used | – |
227 | Not used | – |
228 | Not used | – |
229 | Left Headlight Assembly | 5 |
230 | Electronic stability program control unit | 5 |
231 | Right headlight assembly | 5 |
232 | Headlamp control unit | 15 |
233 | Not used | – |
234 | Valid for engine 607:
Powertrain control unit |
5 |
235 | Valid for engine 607:
Fan motor; Radiator shutter actuator. |
7.5 |
Valid for engine 133:
Charge air cooler circulation pump. |
7.5 | |
236 | SAM control unit | 40 |
237 | Electronic stability program control unit | 40 |
238 | Heated windscreen | 50 |
239 | Wiper speed relay 1/2 | 30 |
240A | Starter relay 50 | 25 |
240B | Circuit 15 of Relay (Not Latched) | 25 |
241 | Not used | 7.5 |
Relay | ||
J. | Horn relay | |
K. | Wiper speed relay 1/2 | |
L | Windshield wiper on / off relay | |
M. | Starter relay 50 | |
N | Circuit Relay 87M. | |
O | ECO start / stop:
Transmission coolant circulation pump relay |
|
P. | Backup relay (F58kP) | |
Q | Circuit 15 of Relay (Not Latched) | |
R | Circuit 15 relay | |
S | Circuit 87 of the relay | |
T. | Heated windshield relay |
Fuse box in passenger footwell
Number | Description | Amperes [A] |
21 | Valid for diesel engine:
PTC heater amplifier |
150 |
22 | Additional battery relay for the ECO start / stop function | 200 |
23 | Left front door control unit | 30 |
24 | Right front door control unit | 30 |
25 | SAM control unit | 30 |
26 | Additional ECO start / stop battery connector sleeve | 10 |
27 | Engine compartment fuse and relay module | 30 |
28 | Sound generator control unit in the interior of the vehicle | 5 |
29 | until 02/11/2014:
Trailer socket; from 03/11/2014: Trailer recognition control unit. |
15 |
30 | Trailer recognition control unit | 5 |
31 | 4MATIC:
All-wheel drive controller |
5 |
32 | Steering wheel lamp module control unit | 5 |
33 | Audio / COMAND control panel | 5 |
34 | ACC control and operating unit | 7.5 |
35 | Rear window heating | 40 |
36 | Driver seat control unit;
Driver’s seat lumbar support adjustment control unit. |
7.5 |
37 | Audio / COMAND display | 7.5 |
38 | Supplementary restraint system control unit | 7.5 |
39 | Suspended control unit control unit | 10 |
40 | Valid for engine 651 (EU6 emission standard):
Powertrain control unit |
15 |
41 | Panoramic sliding sunroof control module | 30 |
42 | Radio (Audio 5 USB, Audio 20 CD, Audio 20 CD with CD changer);
COMAND control unit. |
5 |
Radio (Radio 20, Audio 20 USB) | 25 | |
43 | Parking system control unit | 5 |
44 | Left front reversible emergency tension retractor | 40 |
45 | Right front reversible emergency tensioner | 40 |
46 | Front passenger seat control unit;
Control unit for the lumbar support adjustment of the passenger seat. |
7.5 |
47 | Navigation module;
IPhone® handle control unit. |
7.5 |
Adaptive damping system control unit | 25 | |
48 | Not used | – |
49 | Control unit for Drive Kit for iPhone ® | 7.5 |
COMAND fan motor | 5 | |
50 | Camera cover control unit | 5 |
51 | Not used | – |
52 | Not used | – |
53 | Not used | – |
54 | Not used | – |
55 | Telematics services communication module KEYLESS-GO control unit |
5 |
56 | Steering wheel lamp module control unit | 10 |
57 | Lane Keeping Assistant:
Multifunctional control unit for a special purpose vehicle. |
30 |
Special vehicle:
multifunctional control unit for a special purpose vehicle |
7.5 | |
58 | Emergency vehicle fuse box | 30 |
59 | Front passenger seat control | 30 |
60 | Driver seat control unit | 30 |
61 | Sound system amplifier control unit | 40 |
62 | Valid for gearbox 711:
Electric steering lock |
20 |
63 | Fuel system control unit | 25 |
64 | Electronic toll collection control unit;
Dedicated control unit for short-range communications. |
1 |
65 | Lamp in the glove box | 5 |
66 | Emergency vehicle fuse box | 15 |
67 | Not used | – |
68 | Not used | – |
69 | Not used | – |
70 | Rear center console socket | 25 |
71 | Trunk socket | 25 |
72 | Front cigarette lighter with ashtray lighting;
Vehicle interior power socket. |
25 |
73 | Electric parking brake control unit | 30 |
74 | Electric parking brake control unit | 30 |
75 | Trailer recognition control unit | 20 |
76 | Trailer recognition control unit | 25 |
77 | Trailer recognition control unit | 25 |
78 | Emergency vehicle fuse box | 40 |
79 | SAM control unit | 40 |
80 | SAM control unit | 40 |
81 | Blower regulator | 40 |
82 | Suspended control unit control unit | 10 |
83 | Electronic ignition lock control unit | 7.5 |
84 | Top control panel control unit | 5 |
85 | ATA [EDW] / towing protection / interior guarding control unit | 5 |
86 | FM, AM and CL [ZV] antenna amplifier;
from 01/06/2016: Antenna amplifier / compensator for a mobile phone system. |
5 |
87 | Diagnostic connector | 10 |
88 | Instrument cluster | 10 |
89 | Exterior lights switch | 5 |
90 | Left rear bumper smart radar sensor;
Smart radar sensor for the right rear bumper. |
5 |
91 | Pedal operation monitor switch;
Leg lighting switch. |
5 |
92 | Fuel system control unit | 5 |
93 | Electric parking brake control unit | 5 |
94 | Supplementary restraint system control unit | 7.5 |
95 | Front passenger seat occupancy recognition and ACSR Weight Sensing System (WSS) control unit |
7.5 |
96 | Tailgate Wiper Motor | 15 |
97 | Mobile phone electrical connector | 5 |
98 | SAM control unit | 5 |
99 | Tire pressure monitor control unit | 5 |
100 | Valid for engine 133:
DIRECT SELECT INTERFACE |
5 |
101 | 4MATIC:
All-wheel drive controller |
10 |
102 | Stationary heater remote control receiver;
Valid for AMG vehicles from 01/09/2015: Transmission mode control unit; from 01/06/2016: Antenna switch for telephone and stationary heater. |
5 |
103 | Emergency call system control unit;
Telematics services communication module; HERMES control unit. |
5 |
104 | Multimedia interface control unitMultimedia connection unit | 5 |
105 | Digital Audio Broadcasting control unit;
Satellite digital audio radio (SDAR) control unit. |
5 |
Tuner module | 7.5 | |
106 | Multifunctional camera | 5 |
107 | Digital TV tuner | 5 |
108 | until May 31, 2016:
Reversing camera |
5 |
from 01/06/2016:
Reversing camera |
7.5 | |
109 | Electrical connector for the charging socket | 20 |
110 | COMAND radio control;
Engine sound driver. |
30 |
Relay | ||
A | Circuit 15 relay | |
B | Rear window wiper relay | |
C. | Relay circuit 15R2 | |
D | Heated rear window relay | |
E. | 15R1 circuit of the relay | |
F. | Relay circuit 30g | |
G. | Not used |
Front electric fuse box
Number | Description | Amperes [A] |
1 | Alternator | 300 |
2 | Fuse box inside the vehicle | 200 |
Valid for diesel engine:
Vehicle interior fuse box |
250 | |
3 | Electric power steering control unit | 100 |
4 | SAM control unit | 40 |
5 | Fan motor | 80 |
6 | Valid for engine 607:
Fuel heating control unit |
70 |
7 | Valid for engine 607 (EU5 emission standard):
Control unit supporting DPF regenerative heater |
125 |
8 | Valid for engines 607, 651:
Glow output stage |
100 |
Relay | ||
F32k1 | Decoupling relay |