2006 Mercedes CLS GTR 620 hp from A_R_T Tuning..
(Engine and exhaust system)
GTR 560: performance increase to 560hp/790Nm, 0-100km/h in 4,4s
GTR 620 (export version): performance increase to 620hp/890Nm, 0-100km/h in 4,0s
(Wheels and suspension)
Semi-active air suspension with torsion bar stabilizer
Tires front 255/30ZR20 rear 305/25ZR20
Wheels front 9,5J x20 3-piece, type ARTstar2 rear 10,5J x20 3-piece, type ARTstar2
Wheel stars on request painted in the GTR