Comparing the 2026 Mercedes-Benz GLE 450 Coupe to the GLE 350 SUV

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Choosing between the 2026 GLE 350 and the GLE 450 4MATIC Coupe is not just a trim decision, it is a body-style decision. One is a traditional SUV with room to grow into a third row. The other trades that flexibility for a sloping roofline and a six-cylinder engine.

If you are shopping in Ontario and trying to match the shape and powertrain to how you actually drive, here is how the two compare.


GLE 350 vs. GLE 450 4MATIC Coupe: Side-by-Side

Spec

GLE 350 4MATIC (SUV)

GLE 450 4MATIC Coupe

Body style

SUV

Coupe

Engine

2.0L turbo inline-4, mild hybrid

3.0L turbo inline-6, mild hybrid

Horsepower

255 hp

375 hp

Torque

295 lb-ft

413 lb-ft

0-60 mph

7.1 s

5.2 s

Seating

5 (7 optional)

5

Cargo (behind seats / seats folded)

630 L / 2,055 L

655 L / 1,790 L

Wheelbase

2,995 mm

2,936 mm

Overall height

1,797 mm

1,716 mm

Curb weight

2,285 kg

2,240 kg

City fuel economy

12.2 L/100 km

12.5 L/100 km

Drivetrain

4MATIC all-wheel drive

4MATIC all-wheel drive

Powertrain and Performance

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The GLE 350 pairs a 2.0-litre turbocharged inline-4 with a 48-volt mild hybrid system. The gas engine makes 255 hp and 295 lb-ft of torque on its own, and its Integrated Starter-Generator can add up to 20 hp and 148 lb-ft of torque on demand, while also allowing fuel-free coasting and recapturing energy on deceleration.

The GLE 450 4MATIC Coupe uses the same mild hybrid architecture around a 3.0-litre turbocharged inline-6, and the numbers move up: 375 hp, 413 lb-ft of torque, plus an Integrated Starter-Generator that contributes 23 hp and 151 lb-ft of its own. That gap shows up at the stoplight. The 350 needs 7.1 seconds to reach 60 mph; the 450 Coupe does it in 5.2 seconds, a 1.9-second difference that matters most when merging onto a busy highway or passing a slower vehicle.

An inline-6 also runs inherently smoother than a four-cylinder, with power that feels like a continuous pull rather than a single push. Both route power through a 9-speed automatic to 4MATIC all-wheel drive, so traction is not the difference here, only the amount of power on tap.

Body Style, Space, and Comfort

The 350’s SUV roofline gives it a real space advantage that shows up in the back seat. Front headroom measures 1,074 mm and rear headroom 1,027 mm, both more generous than the 450 Coupe’s 1,022 mm up front and 960 mm in the back. The coupe’s sloped roof cuts 67 mm out of rear headroom, more than the 52 mm it takes from the front.

Cargo tells a mixed story. Behind the rear seats, the 450 Coupe actually holds slightly more, 655 L against the 350’s 630 L. Fold the seats down, though, and the SUV’s flatter roofline pulls ahead, 2,055 L versus 1,790 L. The Coupe’s shorter wheelbase (2,936 mm versus 2,995 mm) and lower overall height (1,716 mm versus 1,797 mm) also change how each one feels from the driver’s seat: lower and more grounded in the Coupe, taller and more upright in the SUV.

Seating capacity is the clearest fork in the road. The GLE 350 offers an optional third row, seating up to seven. The GLE 450 4MATIC Coupe seats five, with no third-row option. Anyone regularly carrying more than four passengers already has an answer.

Technology and Standard Features

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Both models share the 9-speed automatic and 4MATIC all-wheel drive, so drivetrain sophistication is not the differentiator. The 450 Coupe pulls ahead on the tech surface itself: it comes standard with the MBUX Superscreen, three 12.3-inch digital displays set beneath a single glass surface across the dash, running a new-generation MBUX Virtual Assistant built to hold natural, multi-turn conversations.

The Coupe’s suspension is also tuned for its lower stance, running a 4-link front and 5-arm multilink rear setup with Agility Control selective damping, a more specific calibration than the SUV’s independent suspension with selective damping.

Both trims ride on 20-inch wheels with 275/50R20 all-season tires and take an 85 L tank of premium gasoline, so tire choices and fuel stops look identical either way.

Which One Is Right for You?

If your household regularly needs a third row, or you want the tallest sightline and the most cargo room with the seats folded flat, the GLE 350 is the more practical answer. Its four-cylinder engine also sips less fuel in city driving, rated at 12.2 L/100 km against the 450 Coupe’s 12.5 L/100 km.

If you want the inline-6’s extra 120 hp and 118 lb-ft of torque, and the 1.9-second quicker sprint to 60 mph, the GLE 450 4MATIC Coupe rewards that priority with a lower stance, a standard MBUX Superscreen, and suspension tuning built around agility rather than maximum interior volume.

Explore the Mercedes-Benz GLE Lineup

From the versatile GLE SUV to the athletic GLE Coupe, the Mercedes-Benz GLE lineup blends refined comfort, intelligent technology, and confident performance. Discover spacious interiors, advanced driver assistance features, and a distinctive driving experience designed around your lifestyle

Shop GLE Inventory >


Test-Driving the 2026 GLE at Mercedes-Benz Brampton

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The 2026 GLE lineup covers two distinct approaches to the same nameplate, from the 350’s flexible seven-seat layout to the 450 4MATIC Coupe’s six-cylinder power and lower roofline, giving Ontario drivers a genuine choice in how their GLE drives and carries passengers.

Visit Mercedes-Benz Brampton in Brampton to sit in both the GLE 350 and the GLE 450 4MATIC Coupe, compare their cabins in person, and schedule a test drive to feel the difference between the inline-4 and inline-6 for yourself.

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