The GLS Maybach 600 is powered by a 4.0-liter twin-turbocharged V8 engine that produces 550 horsepower and 538 lb-ft of torque. One of the standout features of the GLS Maybach 600 is its executive rear seats, which offer a variety of adjustment and massage functions, along with a rear-seat entertainment system and a refrigerator. This allows passengers to travel in the ultimate luxury and comfort.