Mercedes-Benz GL X166 GL 500 (435 Hp) 4MATIC G-TRONIC


Overall Rating

8.5 / 10
Safety N/A / 5
Not Rated
Engine 4.8 / 5
Value 3.8 / 5
Performance 4.5 / 5
Comfort 4.7 / 5
People\'s Opinion N/A / 5
Not Rated

Mercedes-Benz GL:

The Mercedes-Benz GLS, formerly Mercedes-Benz GL-Class, is a full-size luxury crossover SUV produced by Mercedes-Benz since 2006. In each of its generations it is a three-row, seven-passenger vehicle positioned above the GLE. The GLS is considered the flagship of the marque's SUV lineup, although the body-on-frame G-Class is more expensive and has been in production longer....(Read more on Wikipedia)

X166 Overview:

Mercedes-Benz GL (X166). With 700 Nm of torque, it offers ample pulling power. At around 2370 kg, it’s on the heavier side. All‑wheel drive provides excellent grip, ideal for off‑road use. Acceleration is excellent (0–100 km/h in 5.4 s). The top speed reaches 250 km/h. A sport utility vehicle offering higher ground clearance and versatile cargo space. With seating for 7, it’s perfect for larger families.

Safety Rating
Not rated
Euro NCAP Year N/A
Adult Occupant N/A
Stars N/A
Expert Note:
The Mercedes-Benz GL (X166) was not directly tested by Euro NCAP. However, Mercedes-Benz vehicles of this era generally demonstrate strong passive and active safety features, often achieving high ratings in similar tests.

GL 500 (435 Hp) 4MATIC G-TRONIC Verdict:

Rating 5 stars

Performance Verdict

Offers impressive V8 power and smooth acceleration (5.4s 0-100km/h), providing a luxurious and effortless driving experience without the extreme edge of the AMG.

Fuel Economy

Fuel consumption is significant (11.3-11.5 l/100 km combined), though slightly better than the AMG, still a thirsty engine suitable for those not prioritizing economy.

Best Use Case: Luxury family transport, comfortable highway cruising, towing.

Pros and Cons:

Pros:

  • • Luxurious and spacious 7-seater interior
  • • Powerful and refined engine options (especially V8s and BlueTEC diesel)
  • • Excellent ride comfort and highway stability
  • • High-quality materials and craftsmanship
  • • Strong off-road capability with 4MATIC

Cons:

  • • High purchase price and running costs (fuel, maintenance)
  • • Large size can be challenging in urban environments and parking
  • • Complex electronics and air suspension can be expensive to repair
  • • Not directly tested by Euro NCAP

Specifications:

Specifications are compared to those of the previous generation(X164 facelift 2009: 2010 - 2012).

General:
Brand:Mercedes-Benz
Model:GL
Generation:X166
Modification (Engine):GL 500 (435 Hp) 4MATIC G-TRONIC
Start of production:2012
End of production:2015
Powertrain Architecture:Internal Combustion engine
Body type:SUV
Seats:7
Doors:5
Engine:
Power:435 Hp @ 5250 rpm. Same horsepower
Power per litre:93.3 Hp/l [21mm more]
Torque:700 Nm @ 1800-3500 rpm.
Engine Model/Code:M 278.928 More details about the engine M 278.928
Engine displacement:4663
Number of cylinders:8
Engine configuration:V-engine
Number of valves per cylinder:4
Fuel injection system:Direct injection
Engine aspiration:BiTurbo, Intercooler
Valvetrain:DOHC
Engine oil capacity:8.5 l
Coolant:12.9 l
Engine layout:Front, Longitudinal
Cylinder Bore:92.9 mm mm
Piston Stroke:86 mm mm
Compression ratio:10.5:1
Maximum engine speed:6300 rpm.
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - urban:14.5-14.8 l/100 km
Fuel consumption (economy) - extra urban:9.3-9.6 l/100 km
Fuel consumption (economy) - combined:11.3-11.5 l/100 km
Emission standard:Euro 6
Acceleration 0 - 100 km/h:5.4 sec
Acceleration 0 - 62 mph:5.4 sec
Maximum speed:250 km/h
Weight-to-power ratio:5.4 kg/Hp, 183.5 Hp/tonne
Weight-to-torque ratio:3.4 kg/Nm, 295.4 Nm/tonne
Acceleration 0 - 60 mph:5.1 sec
Space:
Kerb Weight:2370
Max. weight:3250
Max load:880
Trunk (boot) space - maximum:2300 l
Trunk (boot) space - minimum:680 l
Permitted trailer load with brakes (12%):3500 kg
Fuel tank capacity:100 l
Permitted trailer load without brakes:750 kg
Size:
Length:5120 mm mm [21mm more]
Width:1934 mm mm [14mm more]
Height:1850 mm mm [10mm more]
Wheelbase:3075 mm mm [Same wheelbase.]
Width including mirrors:2141 mm
Front track:1655 mm
Rear (Back) track:1675 mm
Front overhang:885 mm
Rear overhang:1160 mm
Minimum turning circle (turning diameter):12.4 m [above average]
Powertrain:
Drive wheelAll wheel drive (4x4)
Number of gears7
Transmission typeAutomatic
Gearbox typeG-TRONIC PLUS
Front brakesVentilated discs [Best for performance and cooling.]
Rear brakesVentilated discs [Best for performance and cooling.]
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Power steeringElectric Steering
Tires size275/55 R19
Wheel rims size19
Front suspensionDouble wishbone
Rear suspensionIndependent multi-link suspension

Your first impression of the Mercedes-Benz GL in one word? Go!