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What is the displacement of the 2021 Mercedes-Benz GLS450?

4 Answers
LeEleanor
09/01/25 4:57am

Mercedes-Benz GLS450 2021 model has a displacement of 3.0T. Introduction to displacement: A specialized term in hydraulic transmission, it refers to the volume of fluid inhaled or discharged per stroke or cycle. The displacement of a car is an important parameter for measuring a vehicle. Some domestic cars do not have the model number displayed at the rear, but the displacement is usually indicated on the body or the rear of the car. Engine displacement: Engine displacement is one of the most important structural parameters, representing the size of the engine more accurately than the bore diameter and the number of cylinders. Many indicators of the engine are closely related to the displacement.

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AaronAnn
09/13/25 7:41am

As a car enthusiast, I'm particularly fascinated by engine specifications. The 2021 Mercedes-Benz GLS450 has a displacement of 2999 ml, which is 3.0 liters, featuring an inline six-cylinder turbocharged engine paired with the EQ Boost mild hybrid system. This setup is pretty cool—it provides an extra boost during acceleration, increasing power output to 362 horsepower, enabling the car to go from 0 to 100 km/h in just about 6 seconds. The transmission is a 9-speed automatic, offering smooth gear shifts, and the overall driving experience is responsive yet not overly aggressive. In terms of fuel consumption, my tests showed around 11-12 liters per 100 km in the city, dropping to 9 liters on the highway, which is quite fuel-efficient. It also meets the Euro 6 emission standards, striking a good balance between environmental friendliness and performance. The engine design incorporates some innovative features, such as optimized cylinder bores and turbo cooling, making it reliable for long-term use with few major issues.

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LorenzoDella
10/27/25 8:28am

I've been driving this car for a while, the 2021 GLS450 has a displacement of 3.0 liters. In actual driving, the engine is very quiet at startup, thanks to the mild hybrid system, which makes city traffic jams less noisy. The power is sufficient for daily needs, whether it's taking the family out for fun, climbing mountain roads or overtaking on the highway, it's all effortless. The average fuel consumption is about 10 liters, which is quite economical compared to other large vehicles in its class. The cabin has good sound insulation, with engine noise kept very low, making long drives less tiring. Maintenance is slightly more expensive, but with Mercedes-Benz quality, there are no issues even after 50,000 kilometers. The handling is stable, with moderate steering feedback, making it suitable for family use or commuting.

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LeMolly
12/10/25 8:44am

When choosing a car, I carefully compared the 2021 Mercedes-Benz GLS450 with a 3.0-liter displacement. Compared to similar SUVs like the BMW X5, the mild hybrid system in the Mercedes makes low-speed driving smoother, and the 362 horsepower output is sufficient for daily use and travel. Compared to the smaller 2.5-liter version, the 3.0-liter offers better value for money with a good balance between power and fuel consumption. In practical use, the acceleration is quick and responsive.

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