2001 Mercedes Benz ML430FACTORY OEM SERVICE PROCEDURE

Electrical Component Locator: Switches

SWITCHES LOCATION

Component Component Location
Brake Fluid Level Switch In brake fluid reservoir.
Electronic ECL Switch In left rear of engine compartment.
Engine Hood Switch (ATA) In left rear corner of engine compartment.
Kickdown Switch Below accelerator pedal.
Left Front Seat Belt Buckle Switch In driver's seat belt buckle.
Parking Brake Switch On parking brake support bracket.
Passenger's Seat Belt Switch In passenger's seat belt buckle.
Release Switch (BAS) Integral to brake booster.
Right Front Seat Belt Buckle Switch In passenger's seat belt buckle.
Rotary Tumbler Trunk Lid Microswitch Part of tailgate latch assembly.
Stoplight Switch On brake pedal support.
Factory Service Tools

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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.