For those drivers who cannot get used to the latest GL from Mercedes, it is possible to choose the predecessor, which has been constantly refined over the years from the product range of this Stuttgart-based automaker. For the all-terrain vehicle that is anything but obsolete, A.R.T. is offering a complete tuning suite that goes by the name of “PROGRAM463”. Everything from the exterior to the interior thru to the engine can be customized.
A.R.T. boosts the performance of diesel and gasoline engines significantly. Leading the way is the A.R.T. performance kit “A55K” for the G 55 K. After optimizing the supercharger ratio and the engine management system, the engine’s output goes up from 350 kW (476 bhp) to an impressive 427 kW (580 bhp). The torque increases from 700 to 790 Nm. At the same time, A.R.T. also overrides the Vmax limit. As regards the gasoline engines, A.R.T. also takes account of the G 55 (performance boost by means of a supercharger to 324 kW/ 440 bhp and 597 Nm) and G 500 (also with a supercharger: 296 kW / 402 bhp; 683 Nm).
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