The 2013 Mercedes-Benz G63/65 AMG gets a wide body kit and power boost from A.R.T. The twin-turbo V8 5.5-liter in the G63 AMG increased its output from 536 hp (400 kW) to 681 hp (508 kW). A.R.T. achieved this by reprogramming the ECU, putting in high-flow catalytic converters and additional cooling for the engine, fuel circuit and transmission.
The twin-turbo V12 6.0-liter in the G65 AMG could get the same upgrade, raising its power from 603 hp (450 kW) to 749 hp (558 kW). The torque has been electronically limited to 1,000 Nm (737 lb-ft). Aside from increase the power, A.R.T. also made a "streetline" wide body kit that consists of a new front bumper with built-in spoiler and extra air intakes, together with an aero engine hood in bi-color design with 19 air intakes.
In addition, it gets a stainless steel sport exhaust system with three end pipes on each side. The G-Class is built on monoART1 22x10 wheels covered with 295/35 R22 tires and has gotten a roof spoiler. It also gets bi-xenon headlamps with built-in LED DRLs and different interior customization options with materials such as leather, Alcantara, carbon and wood.
Like the SL63 AMG and the SL65 AMG, the new and improved Mercedes-Benz G63 AMG also takes on AMG brand’s new face. This model features an eight-cylinder top-of-the-range look which is surely updated with the times. Its “twin-blade” radiator grille which comes in new high-gloss black is complemented with four chrome inserts, making the G63 unmistakable as an AMG. Its grille design highlights consistency with its classic contours combined with a bold off-road appearance that harmonizes with the car’s overall look.
It features as well a new AMG bumper which consists of three well-dimensioned openings that serve as airflow inlets for its cooling module. Its vertical high-gloss chrome stainless steel inserts give it a unique masculine look and its new LED daytime running lamps are also fitted under the bi-xenon headlamps.
This new version still highlights classic features like the wheel-arch flare characteristics, running boards of stainless-steel and sets of side protective strips consist of stainless-steel inserts. Other unique features include the distinct "V8 BITURBO" logo in the car’s front mudguard and the G63 AMG plaque on the car’s rear door.
New innovations for the interior features are also made including the new facelift changes, improved instrument panel, creative assist systems and infotainment as well as colored TFT screen, AMG main menu and separate gear display over and done with a white-lit set of AMG sills on the car doors.