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🚨 2011 Mercedes-Benz ML550 W164: Emergency Neutral

The W164 ML550 uses a traditional floor-mounted console shifter with electronic shift interlock controlled by the brake pedal switch.

🧰 Drafted with AI under the editorial review of Chris Hackleman & Jeff Moore — cross-check against your owner’s manual when possible.
⚠️ Chock the wheels first — neutral means the car can roll. Set the parking brake while you work, never stand downhill of the vehicle, and try a 12-volt jump before any override: power fixes most stuck-in-park problems instantly.

The procedure

  1. Ensure the vehicle is on level ground and the parking brake is firmly set
  2. Turn the ignition key to position 1 (ACC) or position 2 (ON) if battery has any charge remaining
  3. Locate the shift lock override access—it is a small rectangular slot with a plastic cover on the center console directly to the left side of the shifter base
  4. Use a small flat-blade screwdriver or the metal key blade to pry off the plastic cover cap
  5. Insert the screwdriver or key blade into the exposed override slot and press down firmly
  6. While holding the override down, move the shifter from Park through Reverse to Neutral
  7. Release the override and remove the tool; the vehicle is now in Neutral
Shift-lock override location
Small rectangular slot with plastic cover on the left side of the shifter base on the center console
With zero electrical power
With completely dead battery, the shift lock override will still function mechanically. You may need to manually unlock the driver's door with the physical key. The steering column lock may engage, making steering difficult—the vehicle should only be loaded onto a flatbed, not towed with wheels on the ground.
📖 Why cars lock in Park (full guide)🔧 All repair data for this ML550 W164🚨 Still stuck? Ask a master tech →