Description
Weistec Engineering ECU tune for the M113K-powered Mercedes-Benz models (2002-2012) with the Supercharged 5.5L V8 (M113K). Weistec’s crank figures put the tuned engine at 515 hp and 565 lb-ft, up from 469 hp and 516 lb-ft stock, from a recalibration of the factory ECU software.
Key Features:
- Up to +46 hp / +49 lb-ft: Weistec’s crank estimate of 515 hp and 565 lb-ft, from Dynojet testing; real gains depend on fuel, conditions and supporting modifications.
- Stage calibrations: W.1 (Stock Vehicle) and W.2 (Race Exhaust fitted), so the calibration matches the hardware on your car.
- Optional add-ons: Cypher Classic Handheld and 722.6 EGS52 TCU Upgrade, each selectable when you order.
- Reflash of the factory ECU: the original module is recalibrated rather than replaced with a stand-alone or piggyback unit.
- What changes: improved throttle response, optimized fuel and spark and top speed limiter removed.
- Tuning method: Cypher Classic: flashed at home with the Weistec Cypher Classic handheld.
Fitment:
- Mercedes-Benz CL55 AMG 2003-2006 (C215) – Supercharged 5.5L V8 (M113K)
- Mercedes-Benz CLS55 AMG 2004-2006 (C219) – Supercharged 5.5L V8 (M113K)
- Mercedes-Benz E55 AMG 2003-2006 (W211) – Supercharged 5.5L V8 (M113K)
- Mercedes-Benz G55 AMG 2004-2012 (W463) – Supercharged 5.5L V8 (M113K)
- Mercedes-Benz S55 AMG 2002-2006 (W220) – Supercharged 5.5L V8 (M113K)
- Mercedes-Benz SL55 AMG 2003-2008 (R230) – Supercharged 5.5L V8 (M113K)
Not legal for sale or use on pollution-controlled motor vehicles; intended for competition use. Talk to us before ordering to confirm the right stage and tuning method for your car.
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