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VR Tuned ECU Flash Tune Mercedes-Benz SL300 3.0L V6 R230 09-11 Model Number: VRT-MB-R230-SL300 View Price Your Mercedes-Benz SL300 3.0 V6 is a load of fun to drive. This car is awesome in its power delivery and performance. The simple ECU flash takes your car from a already nimble driving machine to a powerful wheel spinning vehicle. The VR Tuned ECU flash adds more horsepower over stock. With some additional programming to adjust your cars timing and air fuel mixtures, you are able to gain improved performance on the engine. The biggest difference when you flash your car is the overall improvement ... |