Mercedes Flex Fuel Kit for the Gen 4 C43 AMG

If you're running E85 or ethanol mixes in your Mercedes C43 AMG, you need this kit!

Know your exact ethanol content in real-time via the Fuel-It! or JB4 app on your smartphone or tablet.

This is a complete plug and play kit to install a Bluetooth ethanol sensor in about 15 minutes. (Check compatibility for your platform below)

The kit includes the following:

• New 5/16" E85 compatible fuel lines and fittings for your engine bay
• Genuine Continental ethanol sensor
• Fuel-It! Bluetooth analyzer

• Includes both Bluetooth App & 5v analog output for JB4 or flash tuning

• Bluetooth (iPhone or Android app must be downloaded to use this feature)
• If you are using an Apple product the app can be found by clicking here
• If you are using an Android product the app can be found by clicking here

This kit is compatible with the following

• Mercedes Gen C43 AMG 2014 ~ 2021

*For the Mercedes JB4 platform connect the white wire to position #16 on the JB4 25 pin harness.  Select WMI Ethanol Setup option 1 to enable pin location 15/16 flex fuel input.

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