2012 Mercedes-Benz C63 AMG linked with a seven speed automatic transmission

The GLK is outfitted with a 3.5 liter V6 engine and linked with a seven speed automatic transmission. The two work together to achieve a smooth but powerful drive. It is easier then before to accelerate the car and it has the ability to reach 60 MPH in only 6.9 seconds.Under the hood, AMG's engine builders swapped out a few of the 6.2 Liter V8's moving parts in favor of lightweight forged units