2020 Mercedes S-Class vs. 2019 Jaguar XJ

Detailed Review, Specifications & Comparison

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Safety

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The rear seatbelts optional on the S-Class 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 XJ doesn’t offer inflatable seatbelts.

An active infrared night vision system optional on the S-Class helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera and near-infrared lights to detect heat, the system then displays the image on a monitor in the dashboard. The XJ doesn’t offer a night vision system.

Both the S-Class and the XJ have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front and rear seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, blind spot warning systems, rearview cameras, driver alert monitors, available all wheel drive, around view monitors and rear cross-path warning.

Warranty

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There are over 2 times as many Mercedes dealers as there are Jaguar dealers, which makes it much easier should you ever need service under the S-Class’ warranty.

Reliability

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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 S-Class’ reliability 14 points higher than the XJ.

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 Jaguar vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 29 more problems per 100 vehicles, Jaguar is ranked 31st.

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 Jaguar vehicles. J.D. Power ranks Mercedes 13th in reliability, above the industry average. With 34 more problems per 100 vehicles, Jaguar is ranked 25th.

Engine

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The S-Class has more powerful engines than the XJ:

Horsepower

Torque

S 450 3.0 turbo V6

362 HP

369 lbs.-ft.

S 560 4.0 turbo V8

463 HP

516 lbs.-ft.

Maybach S 650 6.0 turbo V12

621 HP

738 lbs.-ft.

XJ 3.0 supercharged V6

340 HP

332 lbs.-ft.

XJ Supercharged 5.0 V8

470 HP

424 lbs.-ft.

XJR575 5.0 supercharged V8

575 HP

517 lbs.-ft.

As tested in Car and Driver the S 560 is faster than the Jaguar XJ supercharged V6:

S-Class

XJ

Zero to 60 MPH

4.9 sec

5.2 sec

Zero to 100 MPH

11.5 sec

12.7 sec

5 to 60 MPH Rolling Start

5.2 sec

5.5 sec

Quarter Mile

13.4 sec

13.8 sec

Speed in 1/4 Mile

108 MPH

104 MPH

Top Speed

132 MPH

125 MPH

Fuel Economy and Range

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On the EPA test cycle the S-Class Sedan gets better fuel mileage than the XJ:

MPG

S-Class Sedan

RWD

450 3.0 turbo V6

19 city/28 hwy

560 4.0 turbo V8

17 city/27 hwy

AWD

450 3.0 turbo V6

18 city/28 hwy

560 4.0 turbo V8

17 city/27 hwy

Maybach 560 4.0 turbo V8

16 city/25 hwy

XJ

RWD

3.0 supercharged V6

18 city/27 hwy

5.0 supercharged V8

15 city/23 hwy

AWD

3.0 supercharged V6

17 city/26 hwy

LWB 3.0 supercharged V6

17 city/25 hwy

An engine control system that can shut down some of the engine’s cylinders helps improve the S-Class 560’s fuel efficiency. The XJ doesn’t offer a system that can shut down part of the engine.

The S-Class V12’s standard fuel tank has 3.5 gallons more fuel capacity than the XJ (24.6 vs. 21.1 gallons).

Transmission

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A nine-speed automatic is available on the Mercedes S-Class, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the XJ.

Brakes and Stopping

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For better stopping power the S-Class’ brake rotors are larger than those on the XJ:

S 450/560

S 650

XJ

XJ Supercharged/XJR

Front Rotors

14.6 inches

15.4 inches

14 inches

15 inches

Rear Rotors

14.2 inches

14.2 inches

12.8 inches

14.8 inches

The S-Class stops shorter than the XJ:

S-Class

XJ

60 to 0 MPH

114 feet

121 feet

Motor Trend

Tires and Wheels

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

Suspension and Handling

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The front and rear suspension of the S-Class uses air springs for a smoother, controlled ride than the XJ, which uses coil springs in front. Air springs maintain proper ride height and ride more smoothly.

The S-Class offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Jaguar doesn’t offer an active suspension on the XJ.

The S-Class’ 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 XJ doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the S-Class’ wheelbase is longer than on the XJ:

S-Class

XJ

SWB Sedan

124.6 inches

119.4 inches

LWB Sedan

132.5 inches

124.3 inches

For better handling and stability, the track (width between the wheels) on the S-Class is 1.3 inches wider in the rear than on the XJ.

The S 600 handles at .90 G’s, while the XJL Portfolio pulls only .85 G’s of cornering force in a Motor Trend skidpad test.

The S 600 executes Motor Trend’s “Figure Eight” maneuver quicker than the XJL Portfolio (25.8 seconds @ .75 average G’s vs. 26.4 seconds @ .66 average G’s).

Chassis

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As tested by Car and Driver while at idle, the interior of the S 560 is quieter than the XJ Supercharged (40 vs. 42 dB).

Passenger Space

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The S-Class has 10 cubic feet more passenger volume than the XJ (112 vs. 102).

The S-Class has .2 inches more front headroom, 2.1 inches more front shoulder room, .2 inches more rear headroom and 2.5 inches more rear shoulder room than the XJ.

Cargo Capacity

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The S-Class has a much larger trunk than the XJ (18.7 vs. 15.2 cubic feet).

A low lift-over trunk design makes loading and unloading the S-Class easier. The S-Class’ trunk lift-over height is 27.4 inches, while the XJ’s liftover is 28.5 inches.

To make loading groceries and cargo easier when your hands are full, the S-Class’ trunk can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The XJ doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Mercedes service is better than Jaguar. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 45% lower rating, Jaguar is ranked 20th.

Ergonomics

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The S-Class offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The XJ doesn’t offer a heads-up display.

The S-Class’ 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 XJ’s power mirror switches are unlit, making them difficult to find at night and operate safely.

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

A power rear sunshade is standard in the S-Class and power rear side window sunshades are optional to help block heat and glare for the rear passengers. The XJ doesn’t offer rear side window sunshades.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes S-Class has a standard wireless phone charging system (Qi) in the center console and for the rear passengers. The XJ doesn’t offer wireless personal charging.

The S-Class has a 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 XJ doesn’t offer a house-current electrical outlet.

Model Availability

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The Mercedes S-Class comes in coupe, convertible and sedan bodystyles; the Jaguar XJ isn’t available as a coupe or convertible.

Economic Advantages

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The S-Class will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the S-Class will retain 37.53% to 39.12% of its original price after five years, while the XJ only retains 30.03% to 35.52%.

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 2020/02/17

The Mercedes S-Class outsold the Jaguar XJ by almost 11 to one during the 2019 model year.

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