Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. It costs almost the same to get the Lincoln MKX to the dealership as the Mercedes-Benz GLK-Class.
The Lincoln MKX won't tax your gas budget considerably more than the Mercedes-Benz GLK-Class will.
The Lincoln MKX won't save you much money at the pump compared to the Mercedes-Benz GLK-Class.
With respect to MSRP, the MKX costs roughly as much as the Mercedes-Benz GLK-Class (though the Mercedes-Benz GLK-Class is a bit cheaper).
Utility
Neither the Lincoln MKX nor the Mercedes-Benz GLK-Class has a marked advantage in terms of seating capacity.
The Mercedes-Benz GLK-Class outpulls the Lincoln MKX by a big margin.
Convenience
You will most certainly have to visit your friendly gas station more often with the Mercedes-Benz than with the Lincoln.
Comfort
While the front cabin in the MKX offers a bit more head room than the Mercedes-Benz GLK-Class, there honestly isn't much of a difference.
The Lincoln MKX provides more head- and leg-room to your passengers than the Mercedes-Benz GLK-Class does.
Dimensions
Your wallet will hurt more every time you fill up the MKX than the Mercedes-Benz GLK-Class because of its bigger tank.
The GLK-Class and the Lincoln MKX compete for the same parking spaces.
Handling
With their comparable turning radii, the Mercedes-Benz GLK-Class and the Lincoln definitely handle approximately the same into and out of tight spots.
Warranty
The Mercedes-Benz GLK-Class and the Lincoln MKX have the same basic warranty.