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What engine does the GLS use?

4 Answers
JoshuaDella
09/03/25 3:13am
The new Mercedes-Benz GLS series is equipped with a 3.0-liter twin-turbocharged engine. This engine delivers 367 horsepower and a maximum torque of 500 Nm, with its maximum power achieved at 6400 rpm and maximum torque available between 1600 to 4500 rpm. Additionally, this engine features a 48V mild hybrid system, direct fuel injection technology, and utilizes an aluminum alloy cylinder head and block. Here is more information about this vehicle: 1. The engine is paired with a 9-speed automatic transmission (9AT), offering a robust powertrain while maintaining decent fuel economy. 2. The front suspension employs a double-wishbone independent suspension, and the rear suspension also uses a double-wishbone independent suspension. 3. The vehicle's dimensions are 5214/1956/1823 mm (length/width/height), with a wheelbase of 3135 mm.
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JuniperDella
09/15/25 4:56am
The Mercedes-Benz GLS offers a variety of engine options. From my personal experience, the most common one is the 3.0-liter inline-six turbocharged engine with EQ Boost mild hybrid technology in the GLS 450, delivering 367 horsepower. It runs incredibly smoothly, provides strong acceleration, and is fuel-efficient, making it particularly suitable for long-distance travel. If you opt for the AMG version like the GLS 63, you'll get an upgraded 4.0-liter V8 biturbo engine, which boosts the power output to a whopping 603 horsepower, delivering intense acceleration, though at the cost of higher fuel consumption. I've also noticed that this type of engine is used in other Mercedes models, such as the S-Class sedan. Maintenance-wise, it's important to change the oil regularly and inspect the turbo system to prevent carbon buildup issues. Overall, the GLS engines are intelligently designed, balancing performance and efficiency, but it's always best to take a test drive to get a feel for it before making a decision.
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Bilbo
10/29/25 5:33am
As someone who frequently works on these vehicles, I've encountered that the Mercedes-Benz GLS mostly uses the OM656 diesel or M256 gasoline engines. For example, the GLS 400d's 3.0-liter diesel version delivers 330 horsepower, offering ample power and durability. However, during maintenance, it's crucial to pay attention to the oil filter and cooling system, as neglecting them can easily lead to overheating issues. It's recommended to inspect every 8,000 kilometers, and using high-quality fuel can extend its lifespan. The turbocharged components in the engine design are a highlight, known for quick response and low noise, but improper modifications can cause part wear, which can be costly. Additionally, the AMG high-performance version engines are more complex, requiring professional tools for repairs. For everyday driving, the GLS engines are generally stable and easier to maintain compared to the BMW X7's engines.
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MacLorenzo
12/12/25 5:45am
I've been driving the GLS for two years now, mine is the GLS 450 with a 3.0-liter turbocharged inline-six engine producing 367 horsepower. It's more than sufficient for daily commuting and weekend getaways, with smooth acceleration and minimal noise. Compared to my friend's Audi Q7, the GLS engine is quieter and more fuel-efficient, making highway overtaking effortless. I service it every 10,000 kilometers, and it's been trouble-free. If you frequently drive on mountain roads, the engine's full-time four-wheel-drive system is an added bonus, with even power distribution enhancing safety. Overall, Mercedes-Benz has put great effort into engine tuning, making it practical and reliable, perfect for families like mine.
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