Mercedes Benz GTS AMG 4.0 Bi-Turbo (2015) – Developed 503 to 575 bhp with torque 480 to 657 Lbft.

In it’s standard form, the GTS AMG – packs some pretty big bhp numbers from the 4.0 BiTurbo Engine. Celtic Tuning as always – looking to improve further, providing an 18% power increase, free’ing the engine – allowing the driver to gain the very best from this Engine and the Torque handling of the box…..

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