Does the 2018 Mercedes-Benz G-Class have auto start-stop?

On some configurations. Yes on the 5.5L 8-cylinder turbo. No on the 4.0L 8-cylinder turbo and 6.0L 12-cylinder turbo.

Key takeaways

  • Start-stop cars restart the engine many times per drive, so they are usually fitted with an AGM or EFB battery - replace like with like.
  • Most systems have an off button that disables start-stop until the engine is next started; some models remember the setting.
2018 Mercedes-Benz G-Class: every EPA-listed configuration
EngineDriveTransmissionStart-stop
4.0L 8-cylinder turbo4WD7-speed automaticNo
5.5L 8-cylinder turbo4WD7-speed automaticYes
6.0L 12-cylinder turbo4WD7-speed automaticNo

Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov). Each row is one certified configuration; a trim or option not sold in a configuration is not listed.

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