July 5, 2024

Mercedes-Benz A-Class W177/V177 (2018-2021) – fuse box

Arnold03 mins

Mercedes-Benz A-Class W177/V177 – fuse box diagram

Year of manufacture: 2018, 2019, 2020, 2021.

Engine compartment

Number Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21 CBC;

SAM;

Headlights.
22 Headlights
23 ESP;

Parking Brake.
24 ESP;

Parking Brake.
25
26 Motor Electronics
27 Diagnostics;

Motor electronics.
28 Motor Electronics
29 Diesel engine;

Engine electronics.
30 Hybrid;

Motor electronics.
31 Hybrid;

Motor electronics.
32
33
34
35
36
37
38
39
40 CBC;

SAM;

Headlights.
41 Motor Electronics
42 CBC;

SAM;

Horn.
43 Automatic transmission;

Engine electronics.
44
45 Automatic transmission
46 Hybrid
47 Distronic;

FCW.
48 Headlights
49 Automatic transmission
50 Hybrid
51 Automatic transmission
52 Heating and air conditioning system
53 Hybrid
54 Motor Electronics
55 Motor electronics
56 Motor Electronics
57 Automatic transmission;

Hybrid;

Diesel engine.
58
59
60
61 Hybrid
62
62
63 CBC;

SAM;

Hybrid.
64 Headlights
65 Driving school
66 Hybrid
67 Diesel Engine
68 CBC;

SAM.
69 Motor Electronics
70 Distronic;

FCW.
71 Motor Electronics
72 ESP;

Parking Brake.
73 Starter
74 Starter
75 Starter
76 Hybrid
77
78 ESP;

Parking Brake;

Hybrid.

Passenger legroom

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Number Description
101
102 Hybrid
103 Heating and air conditioning system
104 Radio
105 4-Wheel Drive, AMG;

Diesel engine.
106 Central locking system
107 Distronic;

FCW.
108 Emergency Call System
109 MBUX;

Navigation;

Steering wheel.
110 Diagnostics
111 Instrument cluster
112 Seatbelts;

Airbags.
113 Sliding roof
114 Throttle setting
115 Seatbelts;

Airbags.
116 Driver’s seat;

Passenger seat.
117 Center console or 115/230V socket
118
119 Seatbelts;

Airbags.
120
121 Rear window heating
122
123 Electrical outlet;

USB.
124 Lighter;

Front power socket.
125 Electrical outlet;

USB.
126
127
128
129 Alarm
130
131 Radio
132 Electronic ignition interlock;

Steering wheel lock.
133
134 All-wheel drive, AMG.
135 Diesel Engine
136 Driver’s seat;

Passenger seat
137
138 Driver’s seat;

Passenger seat
139 All-Wheel Drive, AMG.
140 Overload Control Module
141
142 Rotating Light Switch
143 Heating and air conditioning system;

Control panel.
144 Control Panel;

MBUX;

Navigation;

Steering wheel.
145 MBUX;

Navigation;

Steering wheel.
146 MBUX;

Navigation;

Steering wheel.
147
148 MBUX;

Navigation;

Steering wheel.
149 All-Wheel Drive, AMG.
150
151 Hybrid
152 Instrument set;

MBUX;

Navigation;

Steering wheel;

Radio.
153 Hybrid
154 Port Functions
155 Hybrid
156 Port Functions
157
158 CBC;

SAM;

Outdoor lighting;

Emergency lights.
159 Fuse Pump
160 Electronic ignition interlock;

Steering wheel lock.
161 Port Functions
162
163 Port functions
164
165 CBC;

SAM;

Outdoor Lighting;

Emergency lights.
166 Heating and air conditioning system;

ETC;

DSRC Card Reader (Japan).
167 Central locking;

Tire pressure monitoring (TPMS).
168 MBUX;

Navigation;

Steering wheel.
169 Distronic;

FCW;

Outdoor lighting;

Emergency lights;

MBUX;

Navigation;

Steering wheel.
170 Lighter;

Front power socket;

MBUX;

Navigation;

Steering wheel.
171 Parktronic System

Trunk

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Number Description
201 Power socket, boot;

Cab.
202 Towing hook
203
204
205 Cab
206
207 Cab
208 Towing hook
209 Towing hook
210 Towing hook
211 Towing hook
212
213
214
215
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