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Mercedes-Benz GLS X166 GLS 350d (258 Hp) 4MATIC G-TRONIC
Overall Rating
Mercedes-Benz GLS:
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 GLS (X166). With 620 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~7.9 l/100km). At around 2380 kg, it’s on the heavier side. All‑wheel drive provides excellent grip, ideal for off‑road use. Acceleration is good (0–100 km/h in 7.8 s). The top speed reaches 222 km/h. A sport utility vehicle offering higher ground clearance and versatile cargo space. Seating for 5 makes it ideal for daily use.
The Mercedes-Benz GLS (X166) was not directly tested by Euro NCAP. However, its platform sibling, the GLE (W166), achieved a 5-star rating in 2015, suggesting a high level of inherent safety.
GLS 350d (258 Hp) 4MATIC G-TRONIC Verdict:
Performance Verdict
Provides adequate and smooth performance for a large SUV, with sufficient torque for daily driving and towing.
Fuel Economy
The most fuel-efficient option in the lineup, offering reasonable running costs for its size and class.
Pros and Cons:
Pros:
- • Exceptional interior luxury and build quality
- • Spacious cabin with true seven-seat capability
- • Smooth and comfortable ride, especially with air suspension
- • Powerful and refined engine options across the range
- • Strong towing capacity and off-road capability (with optional packages)
Cons:
- • High purchase price and running costs, particularly for V8 models
- • Large dimensions can make city driving and parking challenging
- • Fuel economy is a significant concern for petrol variants
- • Complex technology can lead to higher maintenance costs over time
Specifications:
| General: | |
|---|---|
| Brand: | Mercedes-Benz |
| Model: | GLS |
| Generation: | X166 |
| Modification (Engine): | GLS 350d (258 Hp) 4MATIC G-TRONIC |
| Start of production: | 2015 |
| End of production: | 2019 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | SUV |
| Seats: | 5 |
| Doors: | 5 |
| Engine: | |
|---|---|
| Engine systems: | Particulate filter |
| Power: | 258 Hp @ 3400 rpm. |
| Power per litre: | 86.4 Hp/l |
| Torque: | 620 Nm @ 1600-2400 rpm. |
| Engine Model/Code: | OM 642.826 |
| Engine displacement: | 2987 |
| Number of cylinders: | 6 |
| Engine configuration: | V-engine |
| Fuel injection system: | Diesel Commonrail |
| Engine aspiration: | Turbocharger, Intercooler |
| Engine oil capacity: | 8 l |
| Engine layout: | Front, Longitudinal |
| Compression ratio: | 15.5:1 |
| Performance: | |
|---|---|
| Fuel Type: | Diesel |
| Fuel consumption (economy) - urban: | 8.2-7.6 l/100 km |
| Fuel consumption (economy) - extra urban: | 7.2-6.7 l/100 km |
| Fuel consumption (economy) - combined: | 7.6-7.1 l/100 km |
| Emission standard: | Euro 6 |
| Acceleration 0 - 100 km/h: | 7.8 sec |
| Acceleration 0 - 62 mph: | 7.8 sec |
| Maximum speed: | 222 km/h |
| Weight-to-power ratio: | 9.2 kg/Hp, 108.4 Hp/tonne |
| Weight-to-torque ratio: | 3.8 kg/Nm, 260.5 Nm/tonne |
| Acceleration 0 - 60 mph: | 7.4 sec |
| Space: | |
|---|---|
| Kerb Weight: | 2380 |
| Max. weight: | 3250 |
| Max. roof load: | 100 kg |
| Max load: | 870 |
| 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: | 5130 mm mm |
| Width: | 1934 mm mm |
| Height: | 1850 mm mm |
| Wheelbase: | 3075 mm mm |
| Width including mirrors: | 2141 mm |
| Front track: | 1655 mm |
| Rear (Back) track: | 1675 mm |
| Minimum turning circle (turning diameter): | 12.40 m |
| Powertrain: | |
|---|---|
| Drive wheel | All wheel drive (4x4) |
| Number of gears | 9 |
| Transmission type | Automatic |
| Gearbox type | G-TRONIC |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 265/60 R18 |
| Wheel rims size | 18 |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link suspension |
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