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Step-by-step procedure on how to release the vehicle from the park and shift to neutral gear on a Hybrid Mercedes-Benz S-Class W221. This procedure will also work on other models. Almost all Mercedes-Benz cars have a positive terminal in the engine bay that you can use to power up the electrical system.

Table of Contents

What you will need

Procedure

  1. If the vehicle is parked on the inclined ground, place wheel chocks or blocks on the wheel to prevent it from rolling off and causing accidents/injuries.
  2. Pull the hood release or the red lever below the dashboard and go to the vehicle's front.
  3. Raise the hood a little bit and a pull lever will pop out on the grille.
  4. Pull the lever and raise the hood. The hood will automatically go up and set the hood struts in the hold position.
  5. Locate the cover of the battery on the passenger side of the engine compartment.The cover of the front battery of the Mercedes-Benz S-Class W221.

     

  6. Remove the cover by removing the clips and pulling the cover out. On many models, you don't need to remove any cover. Just look for a RED plastic piece with the symbol (+) on top. Removing the cover with an hybrid print.

     

    Removing the cover of the battery.
  7. Remove the small black cover by the small fuse box, next to the hybrid battery.Removing the small cover below the battery.

     

  8. Connect the red jumper cable to the positive terminal of the battery.The positive terminal of the battery.

     

    Connecting the red jumper cable to the positive terminal.
  9. Connect the black jumper cable to the ground terminal of the vehicle.Connecting the black jumper cable to the ground terminal of the vehicle.

     

  10. If you have a start push button, pull the push start button out.Removing the start push button on the ignition switch.

     

  11. Insert the key fob into the ignition switch.Inserting the key fob into the ignition switch.

     

  12. Press the brakes hard and turn on the ignition.Turning the ignition switch of the Mercedes-Benz S-Class W221.

     

  13. Push the gear shift toggle up to set it to reverse.Pushing the gear shift toggle up to shift it to reverse.

     

  14. Pull the toggle down to set it neutral position.Pulling the gear shift toggle down to set it to neutral.

     

    Shifting the gear shift toggle to the neutral.
  15. Release the parking brake by pulling the parking brake lever.Pulling the parking brake lever to release the parking brakes.

     

  16. The vehicle is now ready to be pushed or towed. Be careful when you release the PARKing brake as the vehicle may roll off. 
Mercedes-Benz S400 Hybrid Put Transmission in Neutral Step-by-step procedure on how to release the vehicle from the park and shift to neutral gear on a Hybrid Mercedes-Benz S-Class W221. This procedure will also work on other models. Almost all Mercedes-Benz cars have a positive terminal in the engine bay that you can use to power up the electrical system.