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The Tucson has standard Active Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Head Restraints system moves the headrests forward to prevent neck and spine injuries. The GLB doesn’t offer a whiplash protection system.
To help make backing safer, the Tucson Value/SEL/Sport/Limited/Ultimate’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 Tucson 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, rearview cameras, driver alert monitors, available all wheel drive, daytime running lights, blind spot warning systems and around view monitors.
For its top level performance in IIHS driver and passenger-side small overlap frontal, moderate overlap frontal, side impact, roof strength and head restraint tests, with its optional vehicle-to-vehicle front crash prevention system, with its optional vehicle-to-pedestrian front crash prevention system, and its available headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the Tucson the rating of “Top Pick” for 2020, a rating granted to only 32 vehicles tested by the IIHS. The GLB has not been tested, yet.
The Tucson comes with a full 5-year/60,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The GLB’s 4-year/50,000-mile basic warranty expires 1 year and 10,000 miles sooner.
Hyundai’s powertrain warranty covers the Tucson 6 years and 50,000 miles longer than Mercedes covers the GLB. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the GLB ends after only 4 years or 50,000 miles.
The Tucson’s corrosion warranty is 2 years longer than the GLB’s (7 vs. 5 years).
Hyundai pays for scheduled maintenance on the Tucson for 3 years and 36,000 miles. Hyundai will pay for oil changes, lubrication and any other required maintenance. Mercedes doesn’t pay scheduled maintenance for the GLB.
There are over 2 times as many Hyundai dealers as there are Mercedes dealers, which makes it much easier should you ever need service under the Tucson’s warranty.
A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the Tucson’s reliability 14 points higher than the GLB.
J.D. Power and Associates rated the Tucson first among compact SUVs in their 2020 Initial Quality Study. The GLB isn’t in the top three in its category.
J.D. Power and Associates’ 2020 Initial Quality Study of new car owners surveyed provide the statistics that show that Hyundai vehicles are better in initial quality than Mercedes vehicles. J.D. Power ranks Hyundai 10th in initial quality, above the industry average. With 49 more problems per 100 vehicles, Mercedes is ranked 30th, below the industry average.
J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Hyundai vehicles are more reliable than Mercedes vehicles. J.D. Power ranks Hyundai 8th in reliability, above the industry average. With 10 more problems per 100 vehicles, Mercedes is ranked 13th.
From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Hyundai vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Hyundai 15 places higher in reliability than Mercedes.
To lower fuel costs and make buying fuel easier, the Hyundai Tucson uses regular unleaded gasoline. The GLB requires premium, which can cost 20 to 55 cents more per gallon.
For better traction, the Tucson Sport’s tires are larger than the largest tires available on the GLB (245/45R19 vs. 235/55R18).
The Tucson Sport’s tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the GLB’s optional 50 series tires.
The Tucson has a standard space-saver spare tire so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the GLB; it requires you to depend on its run-flat tires, which limits mileage and speed before they are repaired. If a run-flat is damaged beyond repair by a road hazard your vehicle will have to be towed. Some tire options on the GLB don’t have a run-flat feature, either.
The Tucson has standard front and rear gas-charged shocks for better control over choppy roads. The GLB’s suspension doesn’t offer gas-charged shocks.
For better maneuverability, the Tucson’s turning circle is 3.5 feet tighter than the GLB’s (34.9 feet vs. 38.4 feet).
The Hyundai Tucson may be more efficient, handle and accelerate better because it weighs about 150 to 350 pounds less than the Mercedes GLB.
The Tucson is 6 inches shorter than the GLB, making the Tucson easier to handle, maneuver and park in tight spaces.
The Tucson has .4 inches more front legroom, 1.2 inches more front shoulder room, .1 inches more rear legroom and .6 inches more rear shoulder room than the GLB.
The Tucson has a much larger cargo volume than the GLB with its rear seat up (31 vs. 5.1 cubic feet).
To improve rear visibility by keeping the rear window clear, the Tucson 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.
Consumer Reports rated the Tucson’s headlight performance “Good,” a higher rating than the GLB’s headlights, which were rated “Fair.”
To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Tucson has standard extendable sun visors. The GLB doesn’t offer extendable visors.
Both the Tucson and the GLB offer available heated front seats. The Tucson Ultimate 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.
Insurance will cost less for the Tucson owner. The Complete Car Cost Guide estimates that insurance for the Tucson will cost $815 to $1785 less than the GLB over a five-year period.
IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Hyundai Tucson will be $8385 to $13550 less than for the Mercedes GLB.
The Car Book by Jack Gillis recommends the Hyundai Tucson, based on economy, maintenance, safety and complaint levels. The Mercedes GLB isn't recommended.
The Hyundai Tucson outsold the Mercedes GLB by over 117 to one during 2019.
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