2019 Cadillac XT5 vs. 2018 Mercedes GLC Coupe

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/06/06

For enhanced safety, the front shoulder belts of the Cadillac XT5 are height-adjustable, and the rear seat shoulder belts have child comfort guides to move the belt to properly fit children. A better fit can prevent injuries and the increased comfort also encourages children to buckle up. The Mercedes GLC Coupe has only front height-adjustable seat belts.

In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the XT5 are reminded to check the back seat if they opened the rear door before starting out. The GLC Coupe doesn’t offer a back seat reminder.

Over 200 people are killed each year when backed over by motor vehicles. The XT5 offers optional Reverse Automatic Braking which use rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The GLC Coupe doesn’t offer backup collision prevention brakes.

To help make backing safer, the XT5’s optional 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 GLC Coupe doesn’t offer a cross-path warning system.

Both the XT5 and the GLC Coupe have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, 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, crash mitigating brakes, lane departure warning systems, blind spot warning systems and around view monitors.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and with its optional front crash prevention system, the Insurance Institute for Highway Safety grants the XT5 the rating of “Top Pick” for 2017, a rating granted to only 149 vehicles tested by the IIHS. The GLC Coupe has not been tested, yet.

Warranty

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Cadillac’s powertrain warranty covers the XT5 2 years and 20,000 miles longer than Mercedes covers the GLC Coupe. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the GLC Coupe ends after only 4 years or 50,000 miles.

The XT5’s corrosion warranty is 1 year longer than the GLC Coupe’s (6 vs. 5 years).

Cadillac pays for the first scheduled maintenance on the XT5. Cadillac will pay for an oil change, lubrication and any other required maintenance. Mercedes doesn’t pay scheduled maintenance for the GLC Coupe.

There are over 2 times as many Cadillac dealers as there are Mercedes dealers, which makes it much easier should you ever need service under the XT5’s warranty.

Reliability

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To reliably power the ignition and other systems and to recharge the battery, the XT5 has a standard 155-amp alternator (170-amp - XT5 optional). The GLC Coupe’s 150-amp alternator isn’t as powerful.

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 XT5’s reliability 14 points higher than the GLC Coupe.

J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that Cadillac vehicles are better in initial quality than Mercedes vehicles. J.D. Power ranks Cadillac 12th in initial quality, above the industry average. With 2 more problems per 100 vehicles, Mercedes is ranked 14th.

Engine

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The XT5’s 3.6 DOHC V6 produces 69 more horsepower (310 vs. 241) than the GLC 300 Coupe’s standard 2.0 turbo 4 cyl.

As tested in Motor Trend the Cadillac XT5 is faster than the GLC 300 Coupe 2.0 turbo 4 cyl.:

 

XT5

GLC Coupe

Zero to 60 MPH

6.4 sec

6.7 sec

Quarter Mile

15 sec

15.2 sec

Speed in 1/4 Mile

91.4 MPH

89.6 MPH

Fuel Economy and Range

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/06/06

An engine control system that can shut down half of the engine’s cylinders helps improve the XT5’s fuel efficiency. The GLC Coupe doesn’t offer a system that can shut down part of the engine.

In heavy traffic or at stoplights the XT5’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 GLC Coupe doesn’t offer an automatic engine start/stop system.

To lower fuel costs and make buying fuel easier, the Cadillac XT5 uses regular unleaded gasoline. The GLC Coupe requires premium, which can cost 20 to 55 cents more per gallon.

The XT5 FWD’s standard fuel tank has 2 gallons more fuel capacity than the GLC Coupe (19.4 vs. 17.4 gallons), for longer range between fill-ups. The XT5 AWD’s standard fuel tank has 4.3 gallons more fuel capacity than the GLC Coupe (21.7 vs. 17.4 gallons).

The XT5 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 GLC Coupe doesn’t offer a cap-less fueling system.

Brakes and Stopping

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The XT5 stops much shorter than the GLC Coupe:

 

XT5

GLC Coupe

 

60 to 0 MPH

111 feet

137 feet

Motor Trend

Tires and Wheels

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The Cadillac XT5’s wheels have 6 lugs for longer wheel bearing life, less chance of rotor warping and greater strength. The Mercedes GLC Coupe only has 5 wheel lugs per wheel.

Suspension and Handling

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The XT5 4x4 handles at .82 G’s, while the GLC 300 Coupe pulls only .79 G’s of cornering force in a Motor Trend skidpad test.

The XT5 executes Motor Trend’s “Figure Eight” maneuver quicker than the GLC 300 Coupe (27 seconds @ .65 average G’s vs. 27.6 seconds @ .63 average G’s).

Passenger Space

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The XT5 has .4 inches more front legroom, 1 inch more front shoulder room and 2.2 inches more rear legroom than the GLC Coupe.

Cargo Capacity

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The XT5 has a much larger cargo area with its rear seat up than the GLC Coupe with its rear seat up (30 vs. 17.6 cubic feet). The XT5 has a much larger cargo area with its rear seat folded than the GLC Coupe with its rear seat folded (63 vs. 49.4 cubic feet).

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Cadillac service is better than Mercedes. J.D. Power ranks Cadillac third in service department satisfaction. With a 3% lower rating, Mercedes is ranked 6th.

Ergonomics

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The XT5 has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The GLC Coupe doesn’t offer a remote starting system.

The XT5’s instruments include an oil pressure gauge and a temperature gauge – which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The GLC Coupe does not have an oil pressure gauge.

To improve rear visibility by keeping the rear window clear, the XT5 has a standard rear fixed intermittent wiper with a full on position. The rear wiper standard on the GLC Coupe only has an intermittent setting, so in a hard rain visibility isn’t as good.

Model Availability

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/06/06

The XT5 is available in both front-wheel drive and four-wheel drive configurations. The GLC Coupe doesn’t offer a two-wheel drive configuration.

Recommendations

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/06/06

The Cadillac XT5 outsold the Mercedes GLC by 40% during 2017.

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