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For enhanced safety, the front and rear seat shoulder belts of the Mercedes G-Class 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 Jeep Wrangler doesn’t offer pretensioners for the rear seat belts.
The G-Class’ pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Wrangler doesn’t offer pre-crash pretensioners.
The G-Class has standard front and rear seat side-impact airbags and head airbags, which act as a forgiving barrier between the passengers and the door. Combined with high-strength steel door beams this system increases protection from broadside collisions. The Wrangler doesn't offer rear-seat side-impact airbags, only ones for front seat occupants.
The G-Class has standard Active Brake Assist, which use forward mounted sensors to warn the driver of a possible collision ahead. If the driver doesn’t react and the system determines a collision is imminent, it automatically applies the brakes at full-force in order to reduce the force of the crash or avoid it altogether. The Wrangler offers an available collision warning system without the automated brake feature that would prevent or reduce the collision if the driver fails to react.
The G-Class’ lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. The Wrangler doesn’t offer a lane departure warning system.
The G-Class has standard Parktronic™ to help warn the driver about vehicles, pedestrians or other obstacles behind or in front of their vehicle. The Wrangler doesn’t offer a front parking aid.
The G-Class’ 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 Wrangler doesn’t offer a driver alert monitor.
Both the G-Class and the Wrangler have standard driver and passenger frontal airbags, front side-impact airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding and rearview cameras.
The Mercedes G-Class weighs 1076 to 1926 pounds more than the Jeep Wrangler. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.
The G-Class comes with a full 4-year/50,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Wrangler’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.
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 Jeep vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 6 more problems per 100 vehicles, Jeep is ranked 17th.
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 Jeep vehicles. J.D. Power ranks Mercedes 13th in reliability, above the industry average. With 33 more problems per 100 vehicles, Jeep is ranked 24th.
From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Mercedes vehicles are more reliable than Jeep vehicles. Consumer Reports ranks Mercedes 5 places higher in reliability than Jeep.
The G 550’s standard 4.0 turbo V8 produces 146 more horsepower (416 vs. 270) and 155 lbs.-ft. more torque (450 vs. 295) than the Wrangler’s optional 2.0 turbo 4-cylinder. The G 550’s 4.0 turbo V8 produces 131 more horsepower (416 vs. 285) and 190 lbs.-ft. more torque (450 vs. 260) than the Wrangler’s standard 3.6 DOHC V6. The AMG G 63’s standard 4.0 turbo V8 produces 292 more horsepower (577 vs. 285) and 367 lbs.-ft. more torque (627 vs. 260) than the Wrangler’s standard 3.6 DOHC V6.
As tested in Motor Trend the G 550 is faster than the Jeep Wrangler turbo 4-cylinder (automatics tested):
Zero to 60 MPH
Speed in 1/4 Mile
An engine control system that can shut down some of the engine’s cylinders helps improve the G-Class’ fuel efficiency. The Wrangler doesn’t offer a system that can shut down part of the engine.
Regardless of its engine, the G-Class’ engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) Jeep only offers an automatic engine start/stop system on the Wrangler Auto.
The G-Class has 7.9 gallons more fuel capacity than the Wrangler 2-door’s standard fuel tank (26.4 vs. 18.5 gallons), for longer range between fill-ups. The G-Class has 4.9 gallons more fuel capacity than the Wrangler 4-door’s standard fuel tank (26.4 vs. 21.5 gallons).
The Mercedes G-Class comes standard with an automatic transmission, for driver comfort, especially in the city. Automatic costs extra on the Wrangler.
A nine-speed automatic is standard on the Mercedes G-Class, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Wrangler.
For better stopping power the G-Class’ brake rotors are larger than those on the Wrangler:
AMG G 63
The G-Class’ standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the Wrangler are solid, not vented.
The G-Class stops much shorter than the Wrangler:
70 to 0 MPH
Car and Driver
60 to 0 MPH
For better traction, the G-Class has larger standard tires than the Wrangler (275/55R19 vs. 245/75R17). The G-Class’ optional tires are larger than the largest tires available on the Wrangler (295/40R22 vs. 285/70R17).
The G 550’s standard tires provide better handling because they have a lower 55 series profile (height to width ratio) that provides a stiffer sidewall than the Wrangler Sport’s standard 75 series tires. The G-Class’ optional tires have a lower 40 series profile than the Wrangler Sahara’s 70 series tires.
For better ride, handling and brake cooling the G 550 has standard 19-inch wheels. Smaller 17-inch wheels are standard on the Wrangler Sport. The G-Class’ optional 22-inch wheels are larger than the 18-inch wheels on the Wrangler Sahara.
The Mercedes G-Class’ independent front suspension is much lighter than the Jeep Wrangler’s solid front axle, which allows the G-Class’ wheels to react more quickly and accurately to the road’s surface, improving both ride and handling.
The G-Class 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 Wrangler’s suspension doesn’t offer adjustable shock absorbers.
For much better steering response and tighter handling the G-Class has rack and pinion steering, like Formula race cars, instead of the recirculating-ball type steering of the Wrangler.
For better handling and stability, the average track (width between the wheels) on the G-Class is 1.9 inches wider in the front and 1.6 inches wider in the rear than the track on the Wrangler.
The AMG G 63 handles at .75 G’s, while the Wrangler Sahara 4-door pulls only .64 G’s of cornering force in a Car and Driver skidpad test.
The AMG G 63 executes Motor Trend’s “Figure Eight” maneuver 1.7 seconds quicker than the Wrangler Rubicon 4-door (28.2 seconds @ .64 average G’s vs. 29.9 seconds @ .56 average G’s).
The G-Class has 3.3 cubic feet more passenger volume than the Wrangler (107 vs. 103.7).
For enhanced passenger comfort on long trips the G-Class’ rear seats recline. The Wrangler’s rear seats don’t recline.
The G-Class has a much larger cargo volume than the Wrangler 4-door with its rear seat up (38.1 vs. 31.7 cubic feet).
The G-Class’ standard folding rear seats are split to accommodate bulky cargo. The Wrangler 2-door’s standard single piece folding rear seat is not as flexible; long cargo and a passenger can’t share the rear seat.
The G-Class’ standard towing capacity is much higher than the Wrangler’s (7000 vs. 2000 pounds).
The G-Class uses gas struts to support the hood for easier service access. The Wrangler uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.
J.D. Power and Associates surveys of service recipients show that Mercedes service is better than Jeep. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 67% lower rating, Jeep is ranked 28th.
When three different drivers share the G-Class, 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 and outside mirror angle. The Wrangler doesn’t offer a memory system.
The G-Class’ standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. The Wrangler doesn’t offer an easy entry system.
The G-Class’ power parking brake sets with one touch and releases with one touch or automatically. The Wrangler has a lever-type parking brake that has to be strenuously raised to engage properly. It has to be lifted up more and a button depressed to release it.
The G-Class’ standard power windows allow the driver or passenger to lower and raise the windows without leaning over or being distracted. Power windows are only available on the Wrangler Sport S/Sahara/Rubicon.
The G-Class’ front and rear power windows all open or close fully with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Wrangler Sport S/Sahara/Rubicon’s power window switches have to be held the entire time to close them fully. Only its front windows open automatically.
The G-Class’ standard power window controls are mounted on the armrest for easy access. The Wrangler’s available power window controls are spread out on the center console where they can’t be seen without the driver completely removing his eyes from the road.
If the windows are left open on the G-Class 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 Wrangler can only operate the windows from inside the vehicle, with the ignition on.
The G-Class’ standard power locks allow the driver or passenger to lock or unlock all the doors at a touch without leaning over, or reaching to the back seat. Power locks are only available on the Wrangler Sport S/Sahara/Rubicon.
The G-Class’ 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 Wrangler’s intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.
In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The G-Class has standard headlight washers to keep headlight output high. The Wrangler doesn’t offer headlight washers.
The G-Class has a standard automatic headlight on/off feature. When the ignition is on, the headlights automatically turn on at dusk and off after dawn. When the ignition turns off, the headlights turn off after a delay timed to allow you to securely get to your front door. The Wrangler has an automatic headlight on/off feature standard only on the Sport S/Sahara/Rubicon.
While driving with high beams on, sensitive light sensors standard on the G-Class detect other vehicles which could be blinded and automatically switch to low beams. The Wrangler doesn’t offer automatic dimming high beams.
To help drivers see further while navigating curves, the G-Class has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Wrangler doesn’t offer cornering lights.
The G-Class has standard power remote mirrors. The Wrangler Sport doesn’t offer either a remote driver side or passenger side mirror. The driver will have to roll down the windows and reach across the car to adjust the mirrors.
The G-Class’ standard outside mirrors include heating elements to clear off the mirrors for better visibility. Jeep only offers heated mirrors on the Wrangler Sport S/Sahara/Rubicon.
When the G-Class is put in reverse, the passenger rearview mirror tilts from its original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirror into its original position. The Wrangler’s mirror doesn’t automatically adjust for backing.
The G-Class has standard 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 Wrangler offers an automatic rear view mirror, but its side mirrors don’t dim.
The G-Class has standard heated front seats. Heated front seats cost extra on the Wrangler, and are only available on the Wrangler Sport S/Sahara/Rubicon. The G-Class also has standard heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the Wrangler.
Optional air-conditioned seats in the G-Class keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The Wrangler doesn’t offer air-conditioned seats.
The G-Class offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Wrangler.
The G-Class has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning costs extra on the Wrangler.
Both the G-Class and the Wrangler offer rear vents. For greater rear passenger comfort, the G-Class has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The Wrangler doesn’t offer rear air conditioning vents, only heat vents.
To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes G-Class has a standard wireless phone charging system (Qi) in the center console. The Wrangler doesn’t offer wireless personal charging.
The G-Class’ Active Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Wrangler doesn’t offer an automated parking system.
The G-Class was chosen as one of Automobile Magazine’s “All Stars” in 2019. The Wrangler has never been an “All Star.”
© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.
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