RENNtech ECU Upgrade E 350 MY 2014+ (W212- 308 HP / 285 LB-FT) mercedes-benz-s-class--223---2021-present--s63-amg-e-performance-esr1740734 E55 AMG Kompressor (W211 |

E55 AMG Kompressor (W211 | M113 | 5

CLASS E SW (S 210) 320 V6 4-matic (HP: 224 | Year: 97 > 99)

Please note that the Mercedes M178 engine performance when measured

No permanent modifications to the vehicle are required

CENTER CAPS

RENNtech ECU Upgrade E 350 MY 2014+ (W212- 308 HP / 285 LB-FT) mercedes-benz-s-class--223---2021-present--s63-amg-e-performance-esr1740734 E55 AMG Kompressor (W211 |RENNtech ECU Upgrade for 212 E 350 FaceLift (2014+). up to 308HP and 273 LB FT. Gains: +6HP & 12 LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.