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Using vehicle speed sensors and seat sensors, smart airbags in the Passport deploy with different levels of force or don’t deploy at all to help better protect passengers of all sizes in different collisions. The Passport’s side airbags will shut off if a child is leaning against the door. The GLB’s airbags don’t have smart features and will always deploy full force.
To help make backing safer, the Passport EX-L/Touring/Elite’s cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The GLB doesn’t offer a cross-path warning system.
Both the Passport and the GLB have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available all wheel drive, blind spot warning systems and rear parking sensors.
For its top level performance in IIHS driver-side small overlap frontal, moderate overlap frontal, side impact, rear impact and roof-crush tests, its standard front crash prevention system, its “Acceptable” rating in the new passenger-side small overlap crash test, and its headlight’s “Acceptable” rating, the Insurance Institute for Highway Safety grants the Passport the rating of “Top Pick” for 2019, a rating granted to only 106 vehicles tested by the IIHS. The GLB has not been tested, yet.
Honda’s powertrain warranty covers the Passport 1 year and 10,000 miles longer than Mercedes covers the GLB. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 5 years or 60,000 miles. Coverage on the GLB ends after only 4 years or 50,000 miles.
There are almost 3 times as many Honda dealers as there are Mercedes dealers, which makes it much easier should you ever need service under the Passport’s warranty.
The engine in the Passport has a single overhead cam for simplicity. The engine in the GLB has dual overhead cams, which add to the number of moving parts and the complexity of the cylinder heads.
From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Honda vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Honda 9 places higher in reliability than Mercedes.
The Passport’s 3.5 SOHC V6 produces 59 more horsepower (280 vs. 221) and 4 lbs.-ft. more torque (262 vs. 258) than the GLB’s 2.0 turbo 4-cylinder.
An engine control system that can shut down some of the engine’s cylinders helps improve the Passport’s fuel efficiency. The GLB doesn’t offer a system that can shut down part of the engine.
To lower fuel costs and make buying fuel easier, the Honda Passport uses regular unleaded gasoline. The GLB requires premium, which can cost 20 to 55 cents more per gallon.
The Passport has 3.6 gallons more fuel capacity than the GLB (19.5 vs. 15.9 gallons), for longer range between fill-ups.
The Passport has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The GLB doesn’t offer a cap-less fueling system.
A nine-speed automatic is standard on the Honda Passport, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the GLB.
For better traction, the Passport has larger standard tires than the GLB (245/50R20 vs. 235/55R18). The Passport Touring/Elite’s tires are larger than the largest tires available on the GLB (265/45R20 vs. 235/55R18).
The Passport Sport/EX-L’s standard tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the GLB’s standard 55 series tires. The Passport Touring/Elite’s tires have a lower 45 series profile than the GLB’s optional 50 series tires.
For better ride, handling and brake cooling the Passport has standard 20-inch wheels. Smaller 18-inch wheels are standard on the GLB.
The Passport has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The GLB doesn’t offer vehicle monitored tire inflation.
For better handling and stability, the average track (width between the wheels) on the Passport is 3.6 inches wider in the front and 3.6 inches wider in the rear than the track on the GLB.
For greater off-road capability the Passport has a greater minimum ground clearance than the GLB (8.1 vs. 7.9 inches), allowing the Passport to travel over rougher terrain without being stopped or damaged.
The Passport uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The GLB doesn’t offer active noise cancellation.
The Passport has 6.1 inches more front shoulder room, .8 inches more rear headroom, 1.5 inches more rear legroom and 7 inches more rear shoulder room than the GLB.
The Passport has a much larger cargo volume with its rear seat folded than the GLB with all its rear seats folded (77.9 vs. 62 cubic feet).
To improve rear visibility by keeping the rear window clear, the Passport has a standard rear fixed intermittent wiper with a full on position. The rear wiper standard on the GLB only has an intermittent setting, so in a hard rain visibility isn’t as good.
Manual rear side window sunshades are available in the Passport to help block heat and glare for the rear passengers. The GLB doesn’t offer rear side window sunshades.
Both the Passport and the GLB offer available heated front seats. The Passport Touring/Elite also has standard heated rear seats to keep those passengers extremely comfortable in the winter. Heated second row seats aren’t available in the GLB.
The Passport Touring/Elite has a 115-volt a/c outlet, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The GLB doesn’t offer a house-current electrical outlet.
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