2002 Mercedes Benz S430FACTORY OEM SERVICE PROCEDURE

Circuit Protection Devices

CIRCUIT PROTECTION DEVICES LOCATION

Component Location
Left Front Fuse/Relay Module Left rear of engine compartment. See Figure.
Rear Fuse/Relay Module Under right rear seat. See Figure.
Right Front Fuse/Relay Module Right rear of engine compartment. See Figure.
Interior Right Front Footwell Terminal Block And Fuse Block Right Front Footwell. See Figure and Figure .
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.