This quick install plug and play tuner connects to four easy to reach plugs on top of the engine and safely increases turbocharger output by 3-5psi producing significant power and torque increases. Timing and fueling are appropriately rescaled for the increased boost and the installation is completely reversible in seconds. Compatible with all wheel drive and rear wheel drive models. Applications: C400 • 2015+ W205 C450 • 2015+ W205Burger Tuning