Mercedes C63 AMG (2013) Developed 450 to 512 bhp with torque 443 to 478 Lbft.

The Celtic Tuning – stage 1 upgrade on the mighty C63 AMG, provides a huge 62 bhp increase. The reason for this, is that it incorporates the additional bhp from the factory performance pack plus 480 bhp software upgrade. With an additional 62 bhp and speed limiters removed, this is a true 200+MPH car!

We are also able to switch off the secondary O2’s, for those who have either removed the catalytic convertors or switched to high flow cells.

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