Mercedes Coupes/Sedans/Wagons 1974-1984 Repair Guide

Fuses

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A listing of the protected equipment and the amperage of the fuse is printed in the lid of the fuse box. Spare fuses and a tool for removing and installing fuses are contained in the vehicle tool kit.

Fuses cannot be repairedthey must be replaced. Always determine the cause of the blown fuse before replacing it with a new one.

FUSE BOX LOCATION 230, 240D, 300D, 300TD, 280, 280C, 280E, 280CE and 300CD Models



On early models, the fuse box may be found in the kick panel on the driver's side. On later models, the fuse box is located in the engine compartment on the driver's side, next to the brake master cylinder. Some models have separate fuse boxes or inline fuses for additional equipment. The radio is usually fused with a separate inline glass fuse behind the radio and the ignition is unfused.

190D, 190E, 280S, 280SE, 300SD, 380SE, 380SEC, 380SEL, 450SE, 450SEL, 500SEC, 500SEL and 6.9 Models

The fuse box is located in the engine compartment, on the driver's side, next to the brake master cylinder. Some models may have separate fuse boxes or inline fuses in the engine compartment for additional equipment. The radio is usually fused with a separate inline glass fuse behind the radio and the ignition is unfused. The fuse box also contains various relays.

380SL, 380SLC, 450SL and 450SLC Models

The fuse box is located in the right-hand (passenger's side) kick panel, behind a cover plate. There may also be separate fuse boxes or inline fuses in the engine compartment for additional equipment. The radio is usually fused with a separate inline glass fuse behind the radio and the ignition is unfused. The kick panel area also contains various relays and switches.

REMOVAL & INSTALLATION



See Figures 1, 2 and 3

Click image to see an enlarged view

Fig. Fig. 1: To replace a damaged fuse, first loosen the fuse panel cover retaining nuts ...



Click image to see an enlarged view

Fig. Fig. 2: ... then remove the cover and set it aside



Click image to see an enlarged view

Fig. Fig. 3: Remove the damaged fuse by pulling it from its housing

  1. Loosen the fuse panel cover nuts, then remove the cover.
  2.  
  3. Remove the defective fuse from the panel and replace it with one of the same amperage.
  4.  
  5. Replace the cover and tighten the nuts.
  6.  

 
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