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Mercedes E class w123 (1977 - 1985) - fuse box diagram (123 545 11 00)

avatar Jonathan Yarden Feb 11, 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: 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985

Fuse box


Mercedes w123 (240D, 300D, 300TD, 280W) - fuse box

Fuse Ampere rating [A] Colour Description
a 16 red (Window lift front right and rear left)
b 16 red (Window lift front left and rear right)
c 16 red (Auxiliary fan)
d 16 red (Sliding roof)
1 8 white Parking/tail lights right/warning buzzer/license plate/instrument/hazard warning switch/heater and ventilation controls/rocker switches/shaft indicator (electronic radio)-illumination
2 8 white Clock, trunk light, diagnostic, switch-over valve seat back arrester,  roof light front and rear, hazard warning system, automatic anenna, illuminated vanity mirror, warning monitor term 5, (electronic radio)
3 8 white Parking and tail light left
4 8 white Cigar lighter, glove compartment light, outside mirror,  radio
16 red Seat heating front
5 Not used
6 16 red Windshield wiper and washer, optical horn
7 8 white High beam right
8 25 blue Blower motor, air conditioning compressor
9 8 white High beam left, high beam indicator
10 16 red Heated rear window (auxiliary heating rear)
25 blue Seat heating rear
11 16 red Low beam right, fog light
12 8 white Stop lamp, turn signal lamp, instrument cluster, relay window lift term. 86, cruise control, tachometer
13 8 white Low beam left
14 8 white Back-up lamp, warning monitor terminal 8, emission control, horn,  switch – over valve overload protection device, autom. transmission relay auxiliary fan. term. 86, control unit/water pump/heating water valve for climate system

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

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