The stage 1 performance package for the Mercedes 55 series engine includes RENNtech’s proprietary ECU upgrade in addition to their full carbon fibre airbox upgrade which offers a larger volume of incoming air for better engine breathing and improved cylinder filling.
This combination that provides noticeable increases horsepower, torque and throttle response across the vehicles entire powerband while still maintaining daily driver reliability.
Stage 1 Performance Package includes:
- RENNtech ECU upgrade
- RENNtech Full Carbon Fibre Airbox
SLK 55 (R171) Stock Performance:
- 355 HP @ 5750 RPM; 376 LB-FT @ 3500 RPM
- 385 HP @ 5500 RPM; 400 LB-FT @ 3000 RPM
Due to some of the products coming direct from RENNtech USA please allow 7-10 days for delivery
Prices may vary in accordance to the current exchange rate, please contact us for the current confirmed price