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Mercedes-Benz S Class w112 300 SE Coupe - fuse box diagram (w112.021)

avatar Jonathan Yarden Oct 06, 2021 · 5 min. read

In this article you will find a description of fuses and relays Mercedes-Benz, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

 

List of fuses in order from top to bottom:

Fuse Fuse DIN element 72581 Wire Circuit protected
1 80 30 Doom light, reading light with delay switch, gove box light, clearance lights, electric clock, socket, passing signal light
2 25 54 Wiper unit. windshield washer system, 1st and 2nd and 3rd signal horn, cigarette lighter
3 8 54 Control for automatic DB transmission, electromagnetic fan coupling
4 8 54 Fuel feed pump
5 8 54 Flasher lights with warning lights, brake lights reversing light, fuel gauge, fuel reserve indicator, magneto for engine speed increase, white warning light for: a) handbrake control, b) valve unit control, c) compressed air control
6 25 54 Defrosting (rear heating, optional) automatic starting device;
7 8 58 Rear light right, parking light right, license plate light right, instrument panel light
8 8 58 Rear light left, parking light left, license plate light left, fog lights left end right
9 8 56a High beam headlight right, hidg beam control light
10 8 56a High beam headlight left
11 8 56b Low beam headlight right
12 8 56b Low beam headlight left

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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