Mercedes M156 AMG ECU Tuning E63, CL63, CLS63, ML63, GLE63, GL63, G63, S63, SL63

One of the best Luxury vehicles on the market, now made even better. The M157 Engine is already powerful but is known to have much more headroom for tuning. Boost your AMG with a huge slug of torque!
Stock = 475, 503, 507, 510, 518BHP --> Tuned = 530BHP Stock = 465Ft/lbs --> Tuned = 486Ft/lbs