2017 Mercedes-Benz GLS 450

#15
in Midsize SUVs
2017 MODEL

$68,700

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Detailed Review

There are several reasons as to why the Mercedes GL, now GLS, is hailed as one of the best full-size luxury SUV lineups. First of all, the rides are spacious on the inside. Secondly, they come with powerful engine configurations. 2017 Mercedes Benz GLS 450 SUV is a robust full-size SUV that offers luxury, performance, and comfort, all within a single package.

Under the hood, Mercedes GLS 450 SUV comes with a 3.0L Twin-Turbocharged V6 engine. Rated for delivering a maximum of 362 horsepower, the robust V6 engine generates a respectable 369 lb.-ft. of torque. A fine-tuned all-wheel-drive system is responsible for the distribution of entire engine power coupled with a 9-speed automatic transmission mode.

Though 2017 Mercedes GLS 450 SUV is a great full-size luxury SUV, it has its own share of issues. To begin with, the ride has higher ownership costs than most of its rivals. Furthermore, several of the class rivals features lengthy standard feature lists. GLS 450 SUV competes with the likes of Cadillac Escalade, Infiniti QX80, and Lexus LX 570.


8.5/10
Features

 

8.5/10
Engine

 

6.3/10
Fuel Economy

 

10/10
Interior

 

8.5/10
Exterior

 
 
 
 

Though 2017 Mercedes GLS 450 SUV is a great full-size luxury SUV, it has its own share of issues. To begin with, the ride has higher ownership costs than most of its rivals. Furthermore, several of the class rivals features lengthy standard feature lists. GLS 450 SUV competes with the likes of Cadillac Escalade, Infiniti QX80, and Lexus LX 570.

2017 Mercedes-Benz GLS 450 Features

8.5/10

Available in a single trim, pricing options for the 2017 Mercedes GLS 450 SUV starts from $68,700. This makes the full-sized luxury SUV an inexpensive option than the Cadillac Escalade and Lexus LX 570. Nonetheless, the price climbs fast with optional upgrades. GLS 450 comes standard with vinyl upholstery, 19-inch wheels, 8-inch infotainment screen, rain-sensing wipers, LED headlights, and a power liftgate.

Trim

Mercedes GLS 450

MSRP

$68,700

Key

Features

Mbrace Connect remote vehicle access (via smartphone app; includes remote start).

LED Daytime Running Lamps, LED taillamps Active LED headlamps w/Adaptive Highbeam

High-resolution color multifunction display

8" freestanding high-resolution color central screen

Console -mounted rotary central controller

Optional packages with the 2017 Mercedes GLS 450 SUV are Driver Assistance, Lightning, Off-Road, Parking Assist, and Premium. Premium package adds power front passenger seat and lighted door sills. The Lightning package comes with adaptive LED headlights and automatic high beams. The Parking Assist package brings front and rear parking sensors and a surround-view camera system.

The Driver Assistance package offers a number of advanced safety features and adaptive cruise control. Finally, the Off-Road package adds a dual-range transfer case and an upgraded multimode terrain selector. It also enhances the performance of GLS 450’s standard suspension with the deployment of GLS 550’s standard adaptive dampers.

We Recommend

There are no further trims available for the 2017 Mercedes GLS 450 SUV. However, you can opt any of the available packages. The Premium package offer much value added features like power front passenger seat and lighted door sills.

2017 Mercedes-Benz GLS 450 Engine

8.5/10
“Compared to the GL-Class, the 2017 Mercedes-Benz GLS-Class benefits from suspension refinements that provide a more controlled, confident feel in corners. Nonetheless, it retains the quiet interior and absorbent ride over bumps for which the GL was known.”- Edmunds

Engine and Transmission

2017 Mercedes GLS 450 delivers an excellent performance via its 3.0L V6 Twin-Turbocharged engine. No changes to the engine are introduced for the 2017 iteration, thankfully. Rated for delivering 362 horsepower at a maximum 5500 rpm, the V6 engine is paired with the newly-introduced 9-speed automatic transmission mode.

Models

Mercedes-Benz GLS 450

Infiniti QX80

Cadillac Escalade ESV standard

Lexus LX 570 Three Row

MSRP

$68,700

$63,850

$76,950

$90,075

Engine

3.0L L6

5.6L L8

6.2L L8

5.7L L8

Transmission

9-speed automatic

7-speed automatic

8 Speed Automatic

8 Speed Automatic

Horsepower

362 hp @ 5500 rpm

400 hp @ 5800 rpm

420 [email protected]

[email protected]

Torque

369 [email protected] 1700 rpm

403 [email protected]

460 [email protected]

403 [email protected]

Although the numbers are less than that offered by GLS 450’s competitors, the performance isn’t. The 2017 GLS 450 SUV retains the powerful all-wheel-drive system. Dubbed 4MATIC, it optimally distributes power to all the wheels and assures a quality ride.

Acceleration

Never judge a ride’s performance by its numbers. This is absolutely true for the 2017 Mercedes GLS 450 SUV. While the numbers, the billed engine power, and torque, hint that GLS 450 is the underpowered dog in the competition, the real-world performance suggests otherwise.

Models

Mercedes-Benz GLS 450

Infiniti QX80

Cadillac Escalade ESV standard

Lexus LX 570 Three Row

0-60 MPH

6.1

6.2

5.7

7.0

Quarter mile

14.6

14.8

14.2

15.3

Engine

3.0 L

5.6L

6.2L

5.7L

Emission

(Tons/yr of CO2 Emissions @ 15K mi/year)

9.3

11.1

10.4

11.8

The full-size luxury SUV easily outpaces Infiniti QX80 and LX 570 in terms of 0-60 MPH acceleration. The only competitor that leaves 2017 Mercedes GLS 450 SUV behind while covering a quarter-mile is the Cadillac Escalade ESV. As for others, GLS 450 lets the rivals eat dirt.

Ride and Handling

2017 Mercedes GLS 450 is an elegant performer. You wouldn’t believe the maneuverability the full-size luxury SUV flaunts. In order to let you enjoy driving on various surfaces, the GLS 450 SUV comes with the Dynamic Select system. Choose between Comfort, Individual, Off-Road, Slippery, and Sport modes to adjust the driving mechanism as per the road conditions.

Even at around corners, GLS 450 retains a composed handling and a sharp, responsive steering. The ride offers a comfortable ride quality. The Airmatic air suspension further refines the ride quality and ensures that passengers enjoy every bit of the traveling. To wrap up, 2017 Mercedes GLS 450 SUV guarantees joy and pleasure on all road conditions.

Braking

Unlike the acceleration and ride quality, GLS 450’s braking power is disappointing. Even though the ride is the least bulky in the competition, it requires the most distance to come to a complete halt.

Model

Mercedes-Benz GLS 450

Infiniti QX80

Cadillac escalade ESV standard

Lexus LX 570 Three Row

Brake Front (in.)

13.8

13.9

17.0

13.9

Brake Rear (in.)

13.6

13.6

17.0

13.6

Curb Weight (lbs.)

5,335

5,676

5,831

6,000

60-0 MPH (ft.)

120

N/A

N/A

118

In contrast to 2017 Mercedes GLS 450, Lexus LX 570 Three Row has a powerful braking mechanism. The latter is about 700 pounds heavier than the former but still requires 2 feet less for abruptly halting at 60 MPH.

2017 Mercedes-Benz GLS 450 Fuel Economy

6.3/10

The sharp V6 engine in 2017 Mercedes GLS 450 SUV is rated for delivering a combined fuel economy of 19 mpg. A mileage of 17 mpg in the city and 22 mpg on the highway isn’t impressive but alright for the full-size luxury SUV segment.

Model

Mercedes-Benz GLS 450

Infiniti QX80

Cadillac escalade ESV standard

Lexus LX 570 Three Row

MPG (city)

19

14

15

13

MPG (highway)

22

20

22

18

MPG (combined)

19

16

17

15

In fact, these numbers are among the highest fuel economies offered in the class. Lexus LX 570 has the least combined fuel economy in the segment.

2017 Mercedes-Benz GLS 450 Interior

10/10
“If the outside strikes you as a little old, boy howdy, you're in for a treat once you step inside the GLS450. Whether it's the centrally located volume knob on the center stack or the keypad immediately to its right, the GLS450's interior takes you right back to the pinnacle of Mercedes-Benz's design -- from the last generation.”- CNET

Seating and Comfort

2017 Mercedes-Benz GLS 450 SUV seats 7 people on the standard MB-Tex premium vinyl upholstery. The ride has plenty of room inside. Unlike many other full-size SUVs, GLS 450 offers an accommodating 3rd-row for adult passengers. Along with heated front seats, 10-way power-adjustable driver’s seat is standard.

Model

Mercedes-Benz GLS 450

Infiniti QX80

Cadillac escalade ESV standard

Lexus LX 570 Three Row

Passenger capacity

7

7

7

8

Front (Head/Shoulder/Leg) (In.)

41.2/58.5/40.3

39.9/63.8/39.6

42.8/64.9/45.3

38.3/61.0/42.9

Second

(Head/Shoulder/Leg) (In.)

40.0/58.3/38.5

40.0/63.5/41.0

39.1/64.4/39.7

38.9/61.4/34.4

Third

(Head/Shoulder/Leg) (In.)

38.9/50.5/35.0

36.8/60.5/28.8

38.5/62.6/34.5

35.8/62.3/28.3

The split-folding second-row facilitates an easier access to the third row. While the interior makes use of high-quality materials, the cabin is noise-free. An optional leather upholstery upgrade is available for enhancing comfort. Thanks to GLS 450’s large windows, visibility is excellent.

Infotainment System

Mercedes-Benz’s proprietary infotainment system, the COMAND system offers information and entertainment in the 2017 iteration of the GLS 450. It is paired with a responsive, hi-res 8-inch infotainment screen. The menu layout offered by COMAND is one of the easiest menus to navigate. In addition to the touchpad, a central knob is also available for taking control of COMAND.

On the connectivity front, COMAND comes with support for Bluetooth and 2 USB ports. Unfortunately, Wi-Fi support isn’t available. In addition to satellite radio, the infotainment system comes standard with a Harmon Kardon sound system. For dedicated audiophiles, an optional Bang & Olufsen Premium Sound System is also being offered. Navigation and support for Android Auto and Apple CarPlay are available too.

Interior Features

Like other superior Mercedes-Benz rides, GLS 450’s interior is first-rate. It includes construction from high-quality materials with an impeccable design scheme. There are several great things about the GLS 450 SUV interior, including:

  • 10-way power driver seat
  • Diamond-quilted “Designo” leather upholstery [Optional]
  • Genuine wood trim
  • Heated front seats
  • Heated second-row seats [Optional]
  • Heated steering wheel [Optional]
  • MB-Tex Premium Vinyl upholstery
  • Power-adjustable leather-wrapped steering wheel
  • Rear infotainment system [Optional]

Cargo Capacity

Even though you will agree that GLS 450 SUV’s 79.2 cubic feet of maximum storage space is ample, it is least in the league. With the 3rd-row up, you get 19.7 cubic feet of storage space, while it is extended to 52.4 cubic feet with the 2nd-row up.

Model

Mercedes-Benz GLS 450

Infiniti QX80

Cadillac escalade ESV standard

Lexus LX 570 Three Row

Cargo Volume 3rd row up (ft.3)

19.7

20.2

39.3

15.5

Cargo Volume 2nd row up (ft.3)

52.4

49.1

76.7

41.0

Cargo Volume 2nd row folded (ft.3)

79.2

86.2

120.9

83.1

Towing Capacity

When properly equipped, 2017 Mercedes GLS 450 SUV can tow as much as 7,500 lbs. This is 500 lbs. more than the Lexus LX 570 but less than that offered by the QX80 or Cadillac Escalade ESV.

Model

Mercedes-Benz GLS 450

Infiniti QX80

Cadillac Escalade ESV standard

Lexus LX 570 Three Row

Towing Capacity (lbs.)

7,500 lbs

8,500 lbs

8,100 lbs

7,000 lbs

2017 Mercedes-Benz GLS 450 Exterior

8.5/10
“There's no mistaking the 2017 GLS-Class as anything but a Mercedes-Benz. While the styling updates don't amount to an all-new vehicle, they certainly give it an appearance that's more in line with the current design themes seen in other Mercedes vehicles.”- Kelley Blue Book

Dimension and Weight

2017 Mercedes GLS 450 SUV weighs less than what is considered the average curb weight for the big luxury SUV segment. Cadillac Escalade, Infiniti QX80, and Lexus LX 570, all are much bulkier than the GLS 450. Dimensionally, leave for length, width and height supported by the 2017 Mercedes GLS 450 are least in the league, imparting the ride a sleeker look over its competitors.

Model

Mercedes-Benz GLS 450

Infiniti QX80

Cadillac escalade ESV standard

Lexus LX 570 Three Row

Curb weight (lbs.)

5,335

5,676

5,831

6,000

Length(in)

202.0

208.9

224.3

199.4

Width(in)

76.1

79.9

80.5

78.0

Height(in)

72.8

75.8

74.0

73.4

Ground clearance (in)

8.5

9.2

8.0

8.9

Wheelbase (in)

121.1

121.1

130.0

112.2

Track width (in) F/R

65.2/65.9

67.5/67.9

N/A

64.8/64.6

GLS 450’s impressive ground clearance of 8-and-a-half inches plays a part in giving the ride a superb off-road capability. While 450’s ground clearance is less than the 9.2 inches supported by the Infiniti QX80, it is more than that offered by the Cadillac Escalade ESV. Mercedes-Benz GLS 450 is identical to QX80 in terms of wheelbase.

Exterior Features
Though the exterior styling of 2017 Mercedes-Benz GLS 450 SUV isn’t is that of a sports sedan, it is still impressive. There is much to the exterior of the ride than meets the eye. Noteworthy exterior feats supported by the full-sized luxury SUV are:

  • 19-inch allow wheels
  • A panoramic sunroof [Optional]
  • Automatic headlights
  • LED running lights and taillights
  • Power-folding and auto-dimming side mirrors
  • Power liftgate
  • Rain-sensing, automatic wipers
  • Rear privacy glass
  • Rear side window sunshades [Optional]
  • Roof rails

2017 Mercedes-Benz GLS 450 Safety

Neither IIHS nor NHTSA ratings are available for the 2017 Mercedes GLS 450 SUV. This is typical for the full-size luxury SUV segment. Nonetheless, the ride comes with a strong safety resume. A rearview camera, crosswind assist, driver drowsiness monitor, and forward collision warning system, all are standard.

Advanced safety tech features include a surround-view camera, automated parallel parking system, and parking sensors. Blind spot monitoring, pedestrian detection, speed limit assist, and intelligent night-vision LED lights are also available. For additional security, 2017 Mercedes GLS 450 SUV comes with mBrace Secure, offering collision notification and anti-theft features.

Safety Features

  • Tire pressure sensors
  • Reverse sensing system
  • curtain overhead airbag - curtain 1st, 2nd and 3rd row overhead airbag
  • side impact airbag - seat-mounted driver and passenger front & side-impact airbags
  • row head airbag - front, rear and third row head airbags
  • Active Blind Spot Assist
  • PRE-SAFE PLUS w/rear collision detection and preparation

2017 Mercedes-Benz GLS 450 Competition

Mercedes Benz GLS 450 VS Cadillac Escalade ESV Standard

Capable of accommodating as much as 8 people at once, Cadillac Escalade ESV offers more standard features than the GLS 450. Thanks to the mighty V8 engine, the Escalade ESV leads the league with an offering of 420 horsepower and 460 lb.-ft. of torque.

Cadillac Escalade ESV falls short in safety, as the ride has unimpressive safety scores. Moreover, it costs about $8k more than the 2017 Mercedes GLS 450 SUV. Despite flaunting a bigger built, the ride is easy to handle and radiates merriment when driven.

Mercedes Benz GLS 450 VS Infiniti QX80

With a price tag of $63,850, Infiniti QX80 is the most inexpensive option among its competitors. It boasts a 5.6L V8 engine, capable of offering 400 horsepower and 403 lb.-ft. of torque. The ride relies on a 7-speed automatic transmission mode for gear-shifting.

While on one end, Infiniti QX80 is heavier than the GLS 450, it also delivers a lesser combined fuel economy. Nonetheless, the ride is superior to all its competitors in terms of a ground clearance of 9.2 inches. QX80 leads the pack with a maximum towing capacity of 8500 lbs.

Mercedes Benz GLS 450 VS Lexus LX 570 Three Row

Probably one of the most luxurious rides among its fraternity is the Lexus LX 570. However, one need to spare $90k for owing the lavish full-size luxury SUV. A 5.7L V8 engine is mated with an 8-speed automatic transmission mode in the Lexus LX 570 Three Row.

Despite flaunting a robust V8 engine, the LX 570 is the slowest in the league to hit the 60 MPH mark. This is partly because of the heavy build supported by the ride. Even though the ride is 6,000 lbs., it offers a 60-0 MPH braking distance of 118 feet, which is more than impressive.

2017 Mercedes-Benz GLS 450 Final Verdict

Adding S to the GL suggests that Mercedes-Benz intend to make the GL lineup the S-Class of SUVs offered by it. This is proven true with the 2017 avatar of the GLS 450 SUV. It is a top performing big luxury SUV that is practical and powerful, simultaneously. Even though the ride lacks some standard features offered by the rivals, GLS 450 has a powerful safety arsenal.

The practicality of GLS 450 is further intensified by the fact that it offers one of the most spacious 3rd-rows. Along with delivering a power-packed performance, the under-the-hood 3.0L V6 engine also succeeds in offering an impressive combined fuel economy. No matter whether you wish to cruise often with GLS 450 or drive casually with family, the ride is guaranteed to be enjoyable and fun.

Pros

Advanced self-driving technology

Better off-road ability

Composed, refined ride quality

Deft acceleration

League-leading 3rd-row space

Powerful engine configuration

Quiet, noise-free cabin

Roomy interiors

Cons

Disappointing braking power

Inadequate standard suspension

High ownership costs

Price hikes quickly with options

Rivals offer more standard features

What's New?

Modified exterior styling

Newly introduced 9-speed automatic transmission mode

Touchpad support for infotainment system with a bigger screen and Apple CarPlay integration



Styles

 2017 Mercedes-Benz GLS 450 in Diamond Silver Metallic color  2017 Mercedes-Benz GLS 450 in designo Diamond White Metallic color  2017 Mercedes-Benz GLS 450 in Cardinal Red Metallic color  2017 Mercedes-Benz GLS 450 in Dakota Brown Metallic color  2017 Mercedes-Benz GLS 450 in Brilliant Blue Metallic color  2017 Mercedes-Benz GLS 450 in Black color
Diamond Silver Metallic

Vehicle images are guides only and may not reflect the model's exact specifications/features– exact specifications/features should be confirmed with the seller.

Ratings

Exterior

8.5

Engine

8.5

Interior

10

Fuel Economy

6.3

Features

8.5

8.4

OVERALL RATING

Trims and Configurations

MSRP


 2017 Mercedes-Benz GLS 450 GLS 450

GLS 450

power
362 hp @ 5500 rpm
fuel
Premium unleaded (required)
mpg
19 combined

$68,700


Style Prices MPG Engine Transmission Drivetrain Seats Colors
GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo 9A) Starting at $68,700 MSRP (25/19/22) 362 hp @ 5500 rpm, 3 L, V6, premium unleaded (required)
See Full Specs
9-speed automatic all wheel drive 7 NA