2020 Mercedes E-Class Coupe vs. 2019 Lexus RC

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2019 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 2019/11/22

For enhanced safety, the front seat shoulder belts of the Mercedes E-Class Coupe are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Lexus RC doesn’t offer height-adjustable seat belts.

The E-Class Coupe offers an optional Surround View System to allow the driver to see objects all around the vehicle on a screen. The RC only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.

Both the E-Class Coupe and the RC have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, driver alert monitors, available all-wheel drive, lane departure warning systems and rear cross-path warning.

Warranty

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There are over 59 percent more Mercedes dealers than there are Lexus dealers, which makes it much easier should you ever need service under the E-Class Coupe’s warranty.

Reliability

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To reliably start during all conditions and help handle large electrical loads, the E-Class Coupe has a standard 850-amp battery. The RC’s 580-amp battery isn’t as powerful.

Engine

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The E-Class Coupe’s 3.0 turbo V6 produces 121 more horsepower (362 vs. 241) and 111 lbs.-ft. more torque (369 vs. 258) than the RC 300’s standard 2.0 turbo 4 cyl. The E-Class Coupe’s 3.0 turbo V6 produces 102 more horsepower (362 vs. 260) and 133 lbs.-ft. more torque (369 vs. 236) than the RC 300 AWD’s standard 3.5 DOHC V6. The E-Class Coupe’s 3.0 turbo V6 produces 51 more horsepower (362 vs. 311) and 89 lbs.-ft. more torque (369 vs. 280) than the RC 350’s standard 3.5 DOHC V6.

Fuel Economy and Range

© 1999 - 2019 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 2019/11/22

On the EPA test cycle the E 450 Coupe 4MATIC gets better fuel mileage than the RC 350 AWD 6-speed Auto 3.5 V6 (311 HP) (19 city/26 hwy vs. 18 city/24 hwy).

In heavy traffic or at stoplights the E-Class Coupe’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 RC doesn’t offer an automatic engine start/stop system.

Transmission

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A nine-speed automatic is standard on the Mercedes E-Class Coupe, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the RC.

Brakes and Stopping

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For better stopping power the E-Class Coupe’s brake rotors are larger than those on the RC:

E-Class Coupe

RC

RC F Sport

Front Rotors

14.2 inches

13.2 inches

14 inches

Rear Rotors

14.2 inches

12.2 inches

12.2 inches

The E-Class Coupe stops much shorter than the RC:

E-Class Coupe

RC

70 to 0 MPH

156 feet

178 feet

Car and Driver

Tires and Wheels

© 1999 - 2019 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 2019/11/22

For better traction, the E-Class Coupe has larger standard tires than the RC (245/45R18 vs. 235/40R19). The E-Class Coupe’s tires are larger than the largest tires available on the RC (F:245/45R18 & R:275/40R18 vs. F:235/40R19 & R:265/35R19).

The E-Class Coupe’s optional 245/35R20 front and 275/30R20 rear tires provide better handling because they have a lower 35 series front and 30 series rear profile (height to width ratio) that provides a stiffer sidewall than the RC’s optional 40 series front and 35 series rear tires.

For better ride, handling and brake cooling the E-Class Coupe offers optional 20-inch wheels. The RC’s largest wheels are only 19-inches.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the E-Class Coupe can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The RC doesn’t offer run-flat tires.

Suspension and Handling

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The E-Class Coupe has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The E-Class Coupe’s height leveling suspension allows the driver to raise ride height for better off-road clearance and then lower it again for easier entering and exiting and better on-road handling. The RC doesn’t offer a load leveling suspension.

The E-Class Coupe’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 RC doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the E-Class Coupe’s wheelbase is 5.6 inches longer than on the RC (113.1 inches vs. 107.5 inches).

The E 450 Coupe 4MATIC handles at .90 G’s, while the RC 350 pulls only .85 G’s of cornering force in a Car and Driver skidpad test.

Passenger Space

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The E-Class Coupe has standard seating for 5 passengers; the RC can only carry 4.

The E-Class Coupe has 5.2 cubic feet more passenger volume than the RC (89 vs. 83.8).

The E-Class Coupe has 1.4 inches more front shoulder room, 1.6 inches more rear headroom and 6.8 inches more rear legroom than the RC.

Cargo Capacity

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To make loading and unloading groceries and cargo easier when your hands are full, the E-Class Coupe’s power trunk can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The RC doesn’t offer a power or hands-free opening trunk.

Servicing Ease

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The E-Class Coupe has a maintenance free battery for long life without checking the battery’s water level. The RC doesn’t have a maintenance free battery, so the water level in the battery’s cells must be checked often to prevent damage.

Ergonomics

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Unlike the driver-only memory system optional at extra cost in the RC, the E-Class Coupe has standard driver and 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 E-Class Coupe’s standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. An easy entry system costs extra on the RC.

The E-Class Coupe 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 RC doesn’t offer a heads-up display.

The E-Class Coupe’s power parking brake sets with one touch and releases with one touch or automatically. The RC’s parking brake has to released manually.

The E-Class Coupe’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The RC’s cruise control switches are unlit, making them difficult to find at night and operate safely.

The E-Class Coupe’s 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 RC’s standard manually variable intermittent wipers have to be constantly adjusted.

Heated windshield washer fluid is standard on the E-Class Coupe to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The RC doesn’t offer heated windshield washer fluid.

To help drivers avoid possible obstacles, the E-Class Coupe has standard cornering lights to illuminate around corners when the turn signals are activated. The RC doesn’t offer cornering lights. The E-Class Coupe also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

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

The E-Class Coupe has a standard center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable. The RC doesn’t offer a rear seat center armrest.

The E-Class Coupe offers an optional 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The RC doesn’t offer a house-current electrical outlet.

The E-Class Coupe’s optional Active Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The RC doesn’t offer an automated parking system.

Model Availability

© 1999 - 2019 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 2019/11/22

The Mercedes E-Class comes in coupe, convertible, sedan and station wagon bodystyles; the Lexus RC isn’t available as a convertible, sedan or station wagon.

Economic Advantages

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According to The Car Book by Jack Gillis, the E-Class Coupe is less expensive to operate than the RC because typical repairs cost much less on the E-Class Coupe than the RC, including $64 less for fuel injection, $19 less for a fuel pump, $214 less for a timing belt/chain and $473 less for a power steering pump.

Recommendations

© 1999 - 2019 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 2019/11/22

The E 450/E 53 was chosen as one of Car and Driver’s “Top Ten” for 2 of the last 2 years. The RC has never been a Car and Driver “Top Ten” pick.

The Mercedes E-Class outsold the Lexus RC by almost eleven to one during the 2019 model year.

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