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Mercedes-Benz S Class w126 - 500sec (1984) Fuse Box Diagram

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.

Year of production: 1984

Fuse box diagram

Mercedes S Class w126 -fuse box

Fuse Ampere rating [A] colour Circuits protected
a 16 red Window lift front right, rear left
b 16 red Window lift front left, rear right
c 16 red Auxiliary fan
d 25 blue Front seat adjustm. seat cushion rear high – low resp. front high  – low (memory) seat back adjustment
1 8 white Parking/taill light right, warning buzzer, license plate/instrument/hazard warning switch/heater and ventilation controls/rocker switches illumination (electronic radio illumination)
2 8 white High beam right, high beam indicator
3 8 white Parking/tail light left
4 8 white High beam left
5 25 blue Front seat adjustment, seat cishion front high – low respect rear high – low (memory), fore – alt
6 16 red Low beam right, fog light
7 16 red Windshieldwiper and washer, optical horn, outside mirror, relay window lift term. 86
8 8 white Low beam left
9 816* whitered* Cigar lighter, glove compartment light, radio, heating system for washer jets (seatheating front*)
10 8 white Control unit, water pump heating water valve, blower motor inside temperatur sensor for automatic climate control system, back-up lamps, overload protection, autom. transmission, relay auxiliary fan term. 86, overload protection
11 25 blue Blower motor, air condit. compressor, switch – overvalve idle stabiliz.
12 8 white Stop – turn signal lamp, instrument cluster diagnistic, warn. monitor term. 86, cruise control, tachometer
13 8 white Diagnostic, hazard warn. system, clock, central locking system, control unit memory seat of adjustment system, (electronic radio)
14 25 blue Heated rear window, horn, safety belt handover arm, cigar light rear (seat heating rear)
15 8 white Trunk light, roof light front and rear, illumin. vanity mirror, safety belt handover arm, door light, autom. antenna, warning monitor term. 5
16 16 red Sliding roof, adjustable seat rear

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

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