For enhanced safety, the front and rear seat shoulder belts of the Mercedes GLC have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The BMW X6 doesn’t offer pretensioners for the rear seat belts.
For enhanced safety, the front seat shoulder belts of the Mercedes GLC are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The BMW X6 doesn’t offer height-adjustable seat belts.
Both the GLC and the X6 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, available all-wheel drive, lane departure warning systems, blind spot warning systems and around view monitors.
There are over 10 percent more Mercedes dealers than there are BMW dealers, which makes it easier should you ever need service under the GLC’s warranty.
J.D. Power and Associates’ 2016 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Mercedes vehicles are more reliable than BMW vehicles. J.D. Power ranks Mercedes 12th in reliability, above the industry average. With 7 more problems per 100 vehicles, BMW is ranked 14th.
The AMG GLC43’s standard 3.0 turbo V6 produces 62 more horsepower (362 vs. 300) and 84 lbs.-ft. more torque (384 vs. 300) than the X6 s/xDrive35i’s standard 3.0 turbo 6 cyl.
The GLC’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The X6 doesn’t offer drift compensation steering.
For better maneuverability, the GLC’s turning circle is 3.2 feet tighter than the X6’s (38.8 feet vs. 42 feet).
The Mercedes GLC may be more efficient, handle and accelerate better because it weighs about 700 to 1100 pounds less than the BMW X6.
The GLC300 is 10.5 inches shorter than the X6, making the GLC easier to handle, maneuver and park in tight spaces.
The design of the Mercedes GLC amounts to more than styling. The GLC has an aerodynamic coefficient of drag of .31 Cd. That is lower than the X6 (.34 to .35) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the GLC get better fuel mileage.
The front grille of the GLC uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The X6 doesn’t offer active grille shutters.
The GLC has .5 inches more front legroom, .6 inches more rear headroom and 1.7 inches more rear legroom than the X6.
For enhanced passenger comfort on long trips the GLC’s rear seats recline. The X6’s rear seats don’t recline.
Pressing a switch automatically lowers the GLC’s rear seats, to make changing between passengers and cargo easier. The X6 doesn’t offer automatic folding seats.
The GLC has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The X6 doesn’t offer a remote starting system.
To improve rear visibility by keeping the rear window clear, the GLC has a standard rear wiper. The X6 doesn’t offer a rear wiper.
The GLC offers an optional 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The X6 doesn’t offer a house-current electrical outlet.
Motor Trend selected the GLC as their 2017 Sport Utility of the Year. The X6 has never been chosen.
The Mercedes GLK/GLC outsold the BMW X6 by almost six to one during the 2016 model year.