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The eFlexFuel eFlexPlus E85 Flex Fuel Kit is the best plug-and-play E85 conversion for Mercedes-Benz C63 AMG M156 owners wanting to run any blend of E85 and gasoline. This fully automatic system adjusts fueling in real-time via smartphone app, delivers increased power and cooler temps on E85, and installs without touching the factory ECU or triggering check engine lights.
| Specification | Detail |
|---|---|
| Part Number | U-EF-PLUS |
| Compatibility | Any Ethanol Blend E0-E85 |
| Control | Bluetooth eFlexApp (iOS/Android) |
| Installation | Under-Hood, No ECU Modification |
| Engine | 6.2L M156 V8 |
| Country of Origin | Finland |
| Warranty | 5-Year with Registration |
| Year | Make | Model | Notes |
|---|---|---|---|
| 2008-2014 | Mercedes-Benz | C63 AMG | 6.2L M156 V8 |
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