2020 Mercedes AMG SLC vs. 2020 Ford Mustang

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 2020/02/17

The AMG SLC’s optional pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Mustang doesn’t offer pre-crash pretensioners.

The AMG SLC has standard NECK-PRO Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the NECK-PRO Head Restraints system moves the headrests forward to prevent neck and spine injuries. The Mustang doesn’t offer a whiplash protection system.

The AMG SLC offers optional Parktronic™ to help warn the driver about vehicles, pedestrians or other obstacles behind or in front of their vehicle. The Mustang doesn’t offer a front parking aid.

Both the AMG SLC and the Mustang have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras and available lane departure warning systems.

Warranty

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The AMG SLC comes with a full 4-year/50,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The Mustang’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.

Reliability

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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 Ford vehicles. J.D. Power ranks Mercedes 13th in reliability, above the industry average. With 12 more problems per 100 vehicles, Ford is ranked 16th.

Engine

© 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 2020/02/17

The AMG SLC’s 3.0 turbo V6 produces 75 more horsepower (385 vs. 310) and 34 lbs.-ft. more torque (384 vs. 350) than the Mustang’s standard 2.3 turbo 4-cylinder. The AMG SLC’s 3.0 turbo V6 produces 55 more horsepower (385 vs. 330) and 34 lbs.-ft. more torque (384 vs. 350) than the Mustang’s optional 2.3 turbo 4-cylinder.

Fuel Economy and Range

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On the EPA test cycle the AMG SLC 43 gets better fuel mileage than the Mustang GT Convertible Auto (20 city/29 hwy vs. 15 city/24 hwy).

In heavy traffic or at stoplights the AMG SLC’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 Mustang doesn’t offer an automatic engine start/stop system.

Brakes and Stopping

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For better stopping power the AMG SLC’s standard brake rotors are larger than those on the Mustang:

AMG SLC

Mustang

Front Rotors

14.2 inches

12.6 inches

Rear Rotors

13 inches

12.6 inches

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 2020/02/17

For better traction and acceleration, the AMG SLC has larger rear tires than the Mustang (255/35R18 vs. 235/55R17).

The AMG SLC’s 235/40R18 front and 255/35R18 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 Mustang’s standard 55 series tires.

For better ride, handling and brake cooling the AMG SLC has standard 18-inch wheels. Smaller 17-inch wheels are standard on the Mustang.

Chassis

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The AMG SLC is 2 feet, 1.4 inches shorter than the Mustang, making the AMG SLC easier to handle, maneuver and park in tight spaces.

The AMG SLC’s standard power retractable hardtop allows a seamless transition from an open car, to a completely sealed coupe. The Mustang doesn’t offer a retractable hardtop.

Cargo Capacity

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With its convertible body style, valet key and remote trunk release lockout, the AMG SLC offers cargo security. The Mustang’s non-lockable remote release defeats cargo security.

Servicing Ease

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The AMG SLC uses gas struts to support the hood for easier service access. The Mustang 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.

J.D. Power and Associates surveys of service recipients show that Mercedes service is better than Ford. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 59% lower rating, Ford is ranked 24th.

Ergonomics

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Unlike the driver-only memory seat and mirrors optional at extra cost in the Mustang Premium/BULLITT, the AMG SLC 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 AMG SLC’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 Mustang, and is not available on all models.

The AMG SLC’s power parking brake sets with one touch and releases with one touch or automatically. The Mustang has a lever-type parking brake that has to be strenuously raised to engage properly. It has to be lifted up more and a button depressed to release it.

The AMG SLC’s front and rear power windows all lower with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Mustang’s rear power window switches have to be held the entire time to open them fully.

If the windows are left open on the AMG SLC 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 Mustang can only close the windows from inside the vehicle, with the ignition on.

In case of a sudden change of weather, the AMG SLC has a standard remote convertible top that can be raised from a distance to protect the interior of the vehicle from damage. The Mustang doesn’t offer a remote top, so the driver will have to run to the car, get in, turn the ignition on and raise the top to prevent the interior from being damaged.

The AMG SLC’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 Mustang’s standard intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The AMG SLC offers available headlight washers to keep headlight output high. The Mustang doesn’t offer headlight washers.

To help drivers avoid possible obstacles, the AMG SLC has standard cornering lights to illuminate around corners when the turn signals are activated. The Mustang doesn’t offer cornering lights. The AMG SLC also has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

The AMG SLC’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Ford only offers heated mirrors on the Mustang Premium.

When the AMG SLC 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 Mustang’s mirror doesn’t automatically adjust for backing.

The AMG SLC has standard automatic dimming rear and side view mirrors which automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Mustang has an automatic rear view mirror, but its side mirrors don’t dim.

The AMG SLC has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning costs extra on the Mustang.

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