The GLE, Mercedes-Benz five-seat SUV, replaced the former ML. The GLE lineup includes the GLE350 (formerly ML350); and GLE550e (Mercedes' first plug-in SUV). The high-performance AMG models are now called AMG GLE43, GLE63 and GLE63 S. The plug-in gets a 329-hp V6, with the hybrid system adding another 114 hp of electric power, and is said to deliver over 18 miles of all-electric driving.
The revamped GLE is a refined vehicle with an impressively quiet cabin and meticulous fit and finish, which combine to provide a luxurious atmosphere. Handling is responsive but let down by vague steering and an unimpressive showing at its cornering limits. The ride is supple if a bit firm. The standard V6 serves up smooth and powerful acceleration and yields 18 mpg, not bad for a vehicle of its size and weight. Some controls have improved with the current generation but others remain complicated. Towing capacity is generous. Other available engines include turbocharged AMG variants.
The GLE's interior is treated to the usual Mercedes attention to detail, including standard aluminum trim, available black piano lacquer or various grains of wood. All of the seats are very spacious and supportive. The infotainment system can be cumbersome to use. The electronic shifter can also be fussy and unintuitive to use, and the car lacks some desired safeguards to prevent it from rolling away when parked, should the driver accidentally not select Park.
Available safety equipment for all versions includes crosswind assist; collision prevention assist; cross-traffic alert; blind-spot detection; and lane-keeping assist.
Available in an optional package is a driver-assistance feature that includes adaptive cruise control with steering assist. The system, called Distronic Plus with Steering Assist, keeps a set distance from a vehicle in front, regardless of changing speeds. It also follows the lane you're driving in automatically. The steering wheel actually moves by itself to track the lane, presaging the self-driving cars of the future -- though it does not permit operation with your hands off the wheel. The convenience feature can help ease stress, but drivers must remain fully engaged with the driving process to remain safe.