The GL550 by Mercedes-Benz employs a 4.6-liter twin-turbo V8 producing 429hp which allows it to launch from 0-60 in a mere 5.5 seconds which would take 2015 GL550’s little brother the 2015 Mercedes-Benz GL450 and extra 1.1 seconds to make the same sprint. The 2015 GL550 4MATIC includes bi-xenon headlights with highbeam assist and curve illumination, lane keep assist and blind spot detection. For 2015, the Mercedes-Benz GL550 receives the start-stop technology.
Under the Hood:
4.6-liter twin-turbocharged V8 (GL550)
429 horsepower @ 5,250 rpm
516 lb-ft of torque @ 1,800-3,500 rpm
EPA city/highway fuel economy: 13/18 mpg
A lot of consumers like the Mercedes-Benz GL550 because of its limited third-row seat knee room and a second-row center-seat position equipped with a fold-down armrest/cup holder, the GL550 is no 7 passenger limo, but it can nicely accommodate four adults, three kids, and 16 cubic feet of luggage.
The standard features of the Mercedes-Benz GL550 Base include 4.7L V-8 429hp engine twin turbo, 7-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), integrated navigation system, side seat mounted airbags, curtain 1st, 2nd and 3rd row overhead airbag, driver knee airbag, airbag occupancy sensor, airbag childseat sensor, automatic air conditioning, 21″ AMG aluminum wheels, cruise control, ABS and driveline traction control.