Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Mercedes Benz ML430FACTORY OEM SERVICE PROCEDURE
Parking Lock Interlock
- Parking lock interlock interacts with steering lock. Parking lock interlock prevents selector lever from being moved out of "P" position when ignition key is turned to "0" position and brake pedal is not operated. See Figure .
- When ignition switch is turned to "1" position, blocking cam in steering lock releases control cable. See Figure . When brake pedal is operated, locking lever is turned downward, tension spring at brake pedal is tensioned and release lever is released. Force of pressure spring No. 2 overrides lower spring force of pressure spring No. 1 and pulls shift and locking valve in front of blocking cam. Locking pawl turns and lifts off detent plate. Parking lock is now able to be released.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.