2020 Mercedes C-Class Sedan vs. 2020 Cadillac CT5

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 2020/02/29

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 Cadillac CT5 doesn’t offer pretensioners for the rear seat belts.

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 CT5 doesn’t offer a driver alert monitor.

Both the C-Class Sedan and the CT5 have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, 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, lane departure warning systems, around view monitors and 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, with its optional front crash prevention system, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the C-Class Sedan its highest rating: “Top Pick Plus” for 2019, a rating granted to only 54 vehicles tested by the IIHS. The CT5 has not been tested, yet.

Reliability

© 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 2020/02/29

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 Cadillac vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 6 more problems per 100 vehicles, Cadillac 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 Cadillac vehicles. J.D. Power ranks Mercedes 13th in reliability, above the industry average. With 32 more problems per 100 vehicles, Cadillac is ranked 23rd.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Mercedes vehicles are more reliable than Cadillac vehicles. Consumer Reports ranks Mercedes 9 places higher in reliability than Cadillac.

Engine

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The C-Class Sedan’s 2.0 turbo 4-cylinder produces 18 more horsepower (255 vs. 237) and 15 lbs.-ft. more torque (273 vs. 258) than the CT5’s standard 2.0 turbo 4-cylinder.

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 2020/02/29

On the EPA test cycle the C-Class Sedan gets better fuel mileage than the CT5:

MPG

C-Class Sedan

RWD

2.0 turbo 4-cyl.

24 city/35 hwy

AWD

2.0 turbo 4-cyl.

23 city/33 hwy

CT5

RWD

2.0 turbo 4-cyl.

23 city/32 hwy

AWD

2.0 turbo 4-cyl.

21 city/31 hwy

Brakes and Stopping

© 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 2020/02/29

For better stopping power the C-Class Sedan’s standard front brake rotors are larger than those on the CT5:

C-Class

CT5

Front Rotors

13 inches

12.6 inches

The C-Class Sedan’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the CT5 are solid, not vented.

The C-Class Sedan stops shorter than the CT5:

C-Class

CT5

60 to 0 MPH

105 feet

114 feet

Motor Trend

Tires and Wheels

© 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 2020/02/29

The C-Class Sedan’s optional 255/35R19 rear tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the CT5’s optional 40 series tires.

Suspension and Handling

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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 CT5 doesn’t offer drift compensation steering.

The C 300 Sedan handles at .91 G’s, while the CT5 Sport pulls only .88 G’s of cornering force in a Motor Trend skidpad test.

The C 300 Sedan executes Motor Trend’s “Figure Eight” maneuver quicker than the CT5 Sport (25.7 seconds @ .71 average G’s vs. 26.2 seconds @ .68 average G’s).

For better maneuverability, the C-Class Sedan’s turning circle is 2.2 feet tighter than the CT5’s (36.8 feet vs. 39 feet). The C-Class Sedan’s turning circle is 3.9 feet tighter than the CT5 AWD’s (36.8 feet vs. 40.7 feet).

Chassis

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The C-Class Sedan is 9.3 inches shorter than the CT5, making the C-Class Sedan easier to handle, maneuver and park in tight spaces.

Cargo Capacity

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The C-Class Sedan has a larger trunk than the CT5 (12.6 vs. 11.9 cubic feet).

With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the C-Class offers cargo security. The CT5’s non-lockable folding seat defeats cargo security.

To make loading and unloading groceries and cargo easier, especially for short adults, the C-Class Sedan has a standard power trunk, which opens and closes automatically by pressing a button or just by kicking your foot under the back bumper, completely leaving your hands free. The CT5 doesn’t offer a power trunk, so its trunk has to be closed manually.

Ergonomics

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Unlike the driver-only memory system in the CT5 Premium Luxury/Sport, 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 CT5 Premium Luxury/Sport’s optional cornering lamps activate a lamp on the front corner when the turn signal is activated. The C-Class Sedan’s optional adaptive cornering lights turn the actual headlight unit up to several degrees, depending on steering wheel angle and vehicle speed. This lights a significant distance into corners at any speed.

A power rear sunshade is optional in the C-Class Sedan to help block heat and glare for the rear passengers. The CT5 doesn’t offer a rear sunshade.

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 2020/02/29

The Mercedes C-Class comes in coupe, convertible and sedan bodystyles; the Cadillac CT5 isn’t available as a coupe or convertible.

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 2020/02/29

Consumer Reports® recommends the Mercedes C-Class Sedan, based on reliability, safety and performance.

The C-Class Sedan was chosen as one of Automobile Magazine’s “All Stars” in 2015. The CT5 has never been an “All Star.”

The Mercedes C-Class outsold the Cadillac CTS/CT5 by almost seven to one during the 2019 model year.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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