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For enhanced safety, the front and rear seat shoulder belts of the Mercedes C-Class Sedan have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision. The Volkswagen Jetta GLI doesn’t offer pretensioners for the rear seat belts.
The C-Class Sedan’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Jetta GLI doesn’t offer pre-crash pretensioners.
The C-Class Sedan offers all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The Jetta GLI doesn’t offer all-wheel drive.
The C-Class Sedan’s optional 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 Jetta GLI doesn’t offer a lane departure warning system.
The C-Class Sedan offers an optional Surround View System to allow the driver to see objects all around the vehicle on a screen. The Jetta GLI only offers a rear monitor.
The C-Class Sedan’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 Jetta GLI doesn’t offer a driver alert monitor.
Both the C-Class Sedan and the Jetta GLI have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, height-adjustable front shoulder belts, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, blind spot warning systems, rearview cameras and available rear cross-path warning.
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, its standard vehicle-to-vehicle front crash prevention system, with its optional vehicle-to-pedestrian front crash prevention system, and its standard headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the C-Class Sedan its highest rating: “Top Pick Plus” for 2020, a rating granted to only 30 vehicles tested by the IIHS. The Jetta GLI has not been tested, yet.
The C-Class Sedan’s corrosion warranty is unlimited miles longer than the Jetta GLI’s (unlimited vs. 100,000 miles).
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 Volkswagen vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 19 more problems per 100 vehicles, Volkswagen is ranked 25th.
From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Mercedes vehicles are more reliable than Volkswagen vehicles. Consumer Reports ranks Mercedes 6 places higher in reliability than Volkswagen.
The C-Class Sedan’s 2.0 turbo 4-cylinder produces 27 more horsepower (255 vs. 228) and 15 lbs.-ft. more torque (273 vs. 258) than the Jetta GLI’s 2.0 turbo 4-cylinder.
On the EPA test cycle the C 300 Sedan RWD gets better highway fuel mileage than the Jetta GLI Auto (35 hwy vs. 32 hwy).
The C-Class Sedan has 4.2 gallons more fuel capacity than the Jetta GLI (17.4 vs. 13.2 gallons), for longer range between fill-ups.
The Mercedes C-Class Sedan comes standard with an automatic transmission, for driver comfort, especially in the city. Automatic costs extra on the Jetta GLI.
A nine-speed automatic is standard on the Mercedes C-Class Sedan, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the Jetta GLI.
The C-Class Sedan’s optional 225/40R19 front and 255/35R19 rear tires provide better handling because they have a lower 40 series front and 35 series rear profile (height to width ratio) that provides a stiffer sidewall than the Jetta GLI’s 45 series tires.
For better ride, handling and brake cooling the C-Class Sedan offers optional 19-inch wheels. The Jetta GLI’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 C-Class Sedan can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Jetta GLI doesn’t offer run-flat tires.
The C-Class Sedan’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 Jetta GLI doesn’t offer drift compensation steering.
For a smoother ride and more stable handling, the C-Class Sedan’s wheelbase is 6.2 inches longer than on the Jetta GLI (111.8 inches vs. 105.6 inches).
The front grille of the C-Class Sedan uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The Jetta GLI doesn’t offer active grille shutters.
The C-Class Sedan has .6 inches more front legroom and 1 inch more rear shoulder room than the Jetta GLI.
To allow full utilization of available cargo room, the C-Class Sedan’s trunk lid uses concealed beam hinges that don’t intrude into the trunk. The Jetta GLI’s useful trunk space is reduced by its intrusive beam hinge.
With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the C-Class offers cargo security. The Jetta GLI’s non-lockable remote release defeats cargo security.
A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the C-Class Sedan. The Jetta GLI doesn’t offer locking storage for small valuables.
To make loading and unloading groceries and cargo easier when your hands are full, the C-Class Sedan’s power trunk can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The Jetta GLI doesn’t offer a power or hands-free opening trunk.
The C-Class Sedan uses gas struts to support the hood for easier service access. The Jetta GLI 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.
The engine in the C-Class Sedan is mounted longitudinally (North-South), instead of sideways, as in the Jetta GLI. This makes it easier to service and maintain, because the accessory belts are in front.
J.D. Power and Associates surveys of service recipients show that Mercedes service is better than Volkswagen. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 39% lower rating, Volkswagen is ranked 18th.
Unlike the driver-only memory seat and mirrors in the Jetta GLI Autobahn, the C-Class Sedan offers an optional passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.
The C-Class Sedan 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 Jetta GLI doesn’t offer a heads-up display.
If the windows are left open on the C-Class Sedan 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 Jetta GLI can’t use the remote to operate the windows.
While driving with high beams on, sensitive light sensors available for the C-Class Sedan detect other vehicles which could be blinded and automatically switch to low beams. The Jetta GLI doesn’t offer automatic dimming high beams.
To help drivers see further while navigating curves, the C-Class Sedan offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Jetta GLI doesn’t offer cornering lights.
A power rear sunshade is optional in the C-Class Sedan to help block heat and glare for the rear passengers. The Jetta GLI doesn’t offer a rear sunshade.
When the C-Class Sedan 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 Jetta GLI’s mirror doesn’t automatically adjust for backing.
The C-Class Sedan’s standard rear and side view mirrors have an automatic dimming feature. These mirrors can be set to automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Jetta GLI has an automatic rear view mirror, but its side mirrors don’t dim.
On extremely cold winter days, the C-Class Sedan’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The Jetta GLI doesn’t offer a heated steering wheel.
Both the C-Class Sedan and the Jetta GLI offer rear vents. For greater rear passenger comfort, the C-Class Sedan has available rear air-conditioning vents to keep rear occupants cool in summer or warm in winter. The Jetta GLI doesn’t offer rear air-conditioning vents, only heat vents.
To keep a safe, consistent following distance, the C-Class Sedan offers an optional Active Distance Assist Distronic, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The Jetta GLI doesn’t offer an adaptive cruise control.
The C-Class Sedan’s available GPS navigation system has a real-time traffic update feature that plots alternative routes to automatically bypass traffic problems. (Service not available in all areas.) The Jetta GLI’s available navigation system doesn’t offer real-time traffic updates.
The C-Class Sedan’s optional Active Parking Assist can parallel park or back into a parking spot by itself, stopping and changing direction automatically. The Jetta GLI doesn’t offer an automated parking system.
The Mercedes C-Class comes in coupe, convertible and sedan bodystyles; the Volkswagen Jetta GLI isn’t available as a coupe or convertible.
Consumer Reports® recommends the Mercedes C-Class Sedan, based on reliability, safety and performance.
J.D. Power and Associates rated the C-Class Sedan first among compact premium cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The Jetta GLI isn’t in the top three.
The C-Class Sedan was chosen as one of Automobile Magazine’s “All Stars” in 2015. The Jetta GLI has never been an “All Star.”
© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.
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