2019 Mercedes AMG E 63 vs. 2019 Cadillac CTS-V

Detailed Review, Specifications & Comparison

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Safety

For enhanced safety, the front and middle seat shoulder belts of the Mercedes AMG E 63 have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision. The Cadillac CTS-V doesn’t offer pretensioners for the middle seat belts.

The middle row seatbelts optional on the AMG E 63 inflate when a collision is detected, helping to spread crash forces over a much larger area of the body and limiting head and neck movement. This can help prevent spinal and internal injuries. The CTS-V doesn’t offer inflatable seatbelts.

The AMG E 63 has all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The CTS-V doesn’t offer all-wheel drive.

The AMG E 63 has a standard Surround View System to allow the driver to see objects all around the vehicle on a screen. The CTS-V 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.

The AMG E 63’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 CTS-V doesn’t offer a driver alert monitor.

Both the AMG E 63 and the CTS-V have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, collision warning systems, daytime running lights, blind spot warning systems, rearview cameras, rear cross-path warning and available lane departure warning systems.

Reliability

For smoother operation, better efficiency and fewer moving parts, the AMG E 63 has an overhead cam design, rather than the old pushrod design of the engine in the CTS-V.

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 2018 Auto Issue reports that Mercedes vehicles are more reliable than Cadillac vehicles. Consumer Reports ranks Mercedes 11 places higher in reliability than Cadillac.

Engine

As tested in Car and Driver the Mercedes AMG E 63 is faster than the Cadillac CTS-V:

AMG E 63

CTS-V

Zero to 30 MPH

1.1 sec

1.8 sec

Zero to 60 MPH

2.9 sec

3.8 sec

Zero to 100 MPH

6.7 sec

8.1 sec

5 to 60 MPH Rolling Start

3.8 sec

4.2 sec

Quarter Mile

11 sec

12 sec

Speed in 1/4 Mile

128 MPH

121 MPH

Fuel Economy and Range

On the EPA test cycle the AMG E 63 gets better fuel mileage than the CTS-V:

MPG

AMG E 63

Sedan

S 4.0 turbo V8

15 city/23 hwy

Wagon

S 4.0 turbo V8

16 city/23 hwy

CTS-V

6.2 supercharged V8

14 city/21 hwy

In heavy traffic or at stoplights the AMG E 63’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 CTS-V doesn’t offer an automatic engine start/stop system.

The AMG E 63 has 2.1 gallons more fuel capacity than the CTS-V (21.1 vs. 19 gallons), for longer range between fill-ups.

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes AMG E 63 higher (5 out of 10) than the Cadillac CTS-V (1). This means the AMG E 63 produces up to 39 pounds less smog-producing pollutants than the CTS-V every 15,000 miles.

Transmission

A nine-speed automatic is standard on the Mercedes AMG E 63, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the CTS-V.

Brakes and Stopping

For better stopping power the AMG E 63’s front brake rotors are larger than those on the CTS-V:

AMG E 63

CTS-V

Front Rotors

15.8 inches

15.4 inches

The AMG E 63 offers optional heat-treated ceramic brake rotors, which last ten to twenty times as long as conventional cast iron rotors, don’t rust, don’t fade during repeated high speed braking, and their lighter weight contribute to better braking, handling and acceleration. The CTS-V doesn’t offer ceramic brake rotors.

Tires and Wheels

For better ride, handling and brake cooling the AMG E 63 has standard 20-inch wheels. Only 19-inch wheels are available on the CTS-V.

Suspension and Handling

The front and rear suspension of the AMG E 63 uses air springs for a smoother, controlled ride than the CTS-V, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

The AMG E 63 has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The AMG E 63’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 CTS-V doesn’t offer a load leveling suspension.

The AMG E 63’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 CTS-V doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the AMG E 63’s wheelbase is 1.1 inches longer than on the CTS-V (115.7 inches vs. 114.6 inches).

For better handling and stability, the track (width between the wheels) on the AMG E 63 is 2.8 inches wider in the front and 1.6 inches wider in the rear than on the CTS-V.

The AMG E 63 S Sedan handles at 1.01 G’s, while the CTS-V pulls only .98 G’s of cornering force in a Car and Driver skidpad test.

Chassis

The design of the Mercedes AMG E 63 amounts to more than styling. The AMG E 63 has an aerodynamic coefficient of drag of .32 Cd. That is lower than the CTS-V (.34) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the AMG E 63 get better fuel mileage.

As tested by Car and Driver, the interior of the AMG E 63 S Sedan is quieter than the CTS-V:

AMG E 63

CTS-V

At idle

47 dB

50 dB

Full-Throttle

80 dB

83 dB

70 MPH Cruising

66 dB

73 dB

Passenger Space

The AMG E 63 Wagon has standard seating for 7 passengers; the CTS-V can only carry 5.

The AMG E 63 Sedan has .9 inches more front shoulder room, .7 inches more rear headroom, .8 inches more rear legroom and 2.3 inches more rear shoulder room than the CTS-V.

Cargo Capacity

With its sedan body style, valet key, locking rear seatbacks and remote trunk release in the glovebox, the AMG E 63 offers cargo security. The CTS-V’s non-lockable remote release defeats cargo security.

To make loading and unloading groceries and cargo easier when your hands are full, the AMG E 63’s power trunk can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The CTS-V doesn’t offer a power or hands-free opening trunk.

Ergonomics

Unlike the driver-only memory system in the CTS-V, the AMG E 63 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.

If the windows are left open on the AMG E 63 the driver can close them all at the outside door handle or from a distance using the remote (remote must be aimed at door sensor). On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the CTS-V can only close the windows from inside the vehicle, with the ignition on.

To help drivers see further while navigating curves, the AMG E 63 offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The CTS-V doesn’t offer cornering lights.

To keep a safe, consistent following distance, the AMG E 63 offers an optional Distronic Plus, 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 CTS-V doesn’t offer an adaptive cruise control.

Model Availability

The Mercedes AMG E 63 comes in sedan and station wagon bodystyles; the Cadillac CTS-V isn’t available as a station wagon.

Recommendations

Car and Driver performed a comparison test in its April 2018 issue and they ranked the Mercedes AMG E 63 S Sedan higher than the Cadillac CTS-V.

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

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