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For enhanced safety, the front and middle seat shoulder belts of the Mercedes GLB have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision. The Mitsubishi Outlander doesn’t offer pretensioners for the middle seat belts.
The GLB’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Outlander doesn’t offer a driver alert monitor.
The GLB has standard Mercedes-Benz Emergency Call, which uses a global positioning satellite (GPS) receiver and a cellular system to remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The Outlander doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.
Both the GLB and the Outlander have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front-wheel drive, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available all-wheel drive, lane departure warning systems, blind spot warning systems and around view monitors.
The GLB’s corrosion warranty is unlimited miles longer than the Outlander’s (unlimited vs. 100,000 miles).
A hardened steel chain, with no maintenance needs, drives the camshafts in the GLB’s engine. A rubber cam drive belt that needs periodic replacement drives the Outlander’s camshafts. If the Outlander’s belt breaks, the engine could be severely damaged when the pistons hit the opened valves.
J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Mercedes vehicles are better in initial quality than Mitsubishi vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 27 more problems per 100 vehicles, Mitsubishi is ranked 30th.
J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Mercedes vehicles are more reliable than Mitsubishi vehicles. J.D. Power ranks Mercedes 13th in reliability, above the industry average. With 24 more problems per 100 vehicles, Mitsubishi is ranked 20th.
The GLB’s 2.0 turbo 4-cylinder produces 55 more horsepower (221 vs. 166) and 96 lbs.-ft. more torque (258 vs. 162) than the Outlander’s standard 2.4 DOHC 4-cylinder. The GLB’s 2.0 turbo 4-cylinder produces 43 lbs.-ft. more torque (258 vs. 215) than the Outlander GT’s standard 3.0 SOHC V6.
On the EPA test cycle the GLB 250 4MATIC Auto gets better fuel mileage than the Outlander GT AWC V6 (23 city/31 hwy vs. 20 city/27 hwy).
In heavy traffic or at stoplights the GLB’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The Outlander doesn’t offer an automatic engine start/stop system.
The GLB offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The Outlander doesn’t offer an SMG or a conventional manual transmission.
For better stopping power the GLB’s brake rotors are larger than those on the Outlander:
For better traction, the GLB has larger tires than the Outlander (235/55R18 vs. 225/55R18).
The GLB’s optional tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Outlander’s 55 series tires.
For better ride, handling and brake cooling the GLB offers optional 20-inch wheels. The Outlander’s largest wheels are only 18-inches.
Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the GLB can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Outlander doesn’t offer run-flat tires.
The GLB offers an optional driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads or off-road. The Outlander’s suspension doesn’t offer adjustable shock absorbers.
The GLB’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 Outlander doesn’t offer drift compensation steering.
For a smoother ride and more stable handling, the GLB’s wheelbase is 6.3 inches longer than on the Outlander (111.4 inches vs. 105.1 inches).
For better handling and stability, the track (width between the wheels) on the GLB is 2.6 inches wider in the front and 2.6 inches wider in the rear than on the Outlander.
The GLB has .1 inches more front headroom, .2 inches more front legroom, .9 inches more rear headroom, .8 inches more rear legroom and .9 inches more third row legroom than the Outlander.
A standard locking glovebox keeps your small valuables safer in the GLB. The Outlander doesn’t offer locking storage for small valuables.
To make loading groceries and cargo easier when your hands are full, the GLB’s available liftgate can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The Outlander doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.
J.D. Power and Associates surveys of service recipients show that Mercedes service is better than Mitsubishi. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 24% lower rating, Mitsubishi is ranked 12th.
When three different drivers share the GLB, the memory system makes it convenient for all three. Each setting activates different, customized memories for the driver and front passenger’s seat positions, steering wheel position (with optional power wheel adjuster) and outside mirror angle. The Outlander doesn’t offer a memory system.
The GLB offers an optional heads-up display that projects speed and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Outlander doesn’t offer a heads-up display.
The power windows standard on both the GLB and the Outlander have locks to prevent small children from operating them. When the lock on the GLB is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The Outlander prevents the driver from operating the other windows just as it does the other passengers.
If the windows are left open on the GLB the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the Outlander can only operate the windows from inside the vehicle, with the ignition on.
The GLB’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Outlander ES’ intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.
The GLB has a standard automatic headlight on/off feature. When the ignition is on, the headlights automatically turn on at dusk and off after dawn. The Outlander has an automatic headlight on/off feature standard only on the SE/LE/SP/SEL/GT.
To help drivers avoid possible obstacles, the GLB offers optional cornering lights to illuminate around corners when the turn signals are activated. The Outlander doesn’t offer cornering lights. The GLB also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.
The GLB offers optional automatic dimming rear and side view mirrors which automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Outlander offers an automatic rear view mirror, but its side mirrors don’t dim.
Optional air-conditioned seats in the GLB keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The Outlander doesn’t offer air-conditioned seats.
The GLB offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Outlander.
To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes GLB offers an optional wireless phone charging system (Qi) in the center console. The Outlander doesn’t offer wireless personal charging.
The GLB’s optional Active Parking Assist can parallel park by itself, stopping and changing direction automatically. The Outlander doesn’t offer an automated parking system.
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