2019-2023 Mercedes-Benz GLB (X247) AMG GLB 35 (306 Hp) 4MATIC DCT

The Mercedes-Benz GLB 35 4MATIC, produced from 2019 to 2023 (X247 chassis), represents the high-performance variant of the compact GLB SUV. Positioned as the flagship model within the GLB range, it aimed to deliver AMG-tuned driving dynamics and a more potent engine option within the practical confines of a five-seat crossover. This model filled a niche for buyers seeking a relatively affordable entry point into the AMG brand, offering a blend of performance, luxury, and everyday usability. It’s a key example of Mercedes-Benz expanding the AMG portfolio to cater to a broader customer base.

Technical Specifications

Brand Mercedes-Benz
Model GLB
Generation GLB (X247)
Type AMG GLB 35 (306 Hp) 4MATIC DCT
Start of production 2019
End of production 2023
Powertrain Architecture Internal Combustion engine
Body type SUV
Seats 5
Doors 5
Fuel consumption at Low speed (WLTP) 8.4 l/100 km (28 US mpg, 33.6 UK mpg, 11.9 km/l)
Fuel consumption at very high speed (WLTP) 9.1 l/100 km (25.8 US mpg, 31 UK mpg, 11 km/l)
CO2 emissions (WLTP) 191-206 g/km
Fuel consumption (economy) – combined 7.5-7.6 l/100 km (31.4 – 30.9 US mpg, 37.7 – 37.2 UK mpg, 13.3 – 13.2 km/l)
CO2 emissions 171-173 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 5.2 sec
Acceleration 0 – 62 mph 5.2 sec
Acceleration 0 – 60 mph 4.9 sec
Maximum speed 250 km/h (155.34 mph)
Power 306 Hp @ 5800-6100 rpm
Power per litre 153.7 Hp/l
Torque 400 Nm @ 3000-4000 rpm (295.02 lb.-ft. @ 3000-4000 rpm)
Engine layout Front, Transverse
Engine Model/Code M 260 DE 20 AL
Engine displacement 1991 cm3 (121.5 cu. in.)
Number of cylinders 4
Engine configuration Inline
Fuel injection system Direct injection
Engine aspiration Turbocharger, Intercooler
Valvetrain CAMTRONIC
Engine oil capacity 5.5 l (5.81 US qt, 4.84 UK qt)
Length 4634 mm (182.44 in.)
Width 1834 mm (72.2 in.)
Drive wheel All wheel drive (4×4)
Number of gears and type of gearbox 8 gears, automatic transmission AMG SPEEDSHIFT DCT
Front brakes Ventilated discs, 350 mm
Rear brakes Ventilated discs, 330 mm
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Electric Steering
Wheel rims size 19

Powertrain & Engine Architecture

The GLB 35 is powered by the M 260 DE 20 AL, a 2.0-liter turbocharged inline-four engine. This engine is a member of Mercedes-Benz’s modular engine family, known for its compact dimensions and high specific output. The engine utilizes direct fuel injection and a single twin-scroll turbocharger, along with an intercooler to manage intake air temperatures. A key feature is the CAMTRONIC variable valve timing system, which allows for optimized engine performance and efficiency across a wider range of engine speeds. The engine produces 306 horsepower at 5800-6100 rpm and 295 lb-ft of torque between 3000-4000 rpm. The engine is paired with an 8-speed AMG SPEEDSHIFT DCT (Dual Clutch Transmission), which provides rapid and precise gear changes. This transmission is specifically tuned for performance, with shorter shift times and a more aggressive shift pattern compared to the standard GLB’s transmission.

Driving Characteristics

The GLB 35 delivers a noticeably more engaging driving experience than its standard GLB counterparts. The combination of the turbocharged engine and the quick-shifting DCT results in brisk acceleration, with a 0-60 mph time of around 4.9 seconds. While not a dedicated sports car, the GLB 35 offers a level of performance that is uncommon in the compact SUV segment. The 4MATIC all-wheel-drive system provides excellent traction, enhancing stability and cornering grip. The suspension is also tuned by AMG, resulting in a firmer ride and reduced body roll. Compared to the GLB 250, the 35 offers a significantly more powerful engine and a more responsive transmission. The gear ratios are optimized for acceleration, with shorter lower gears to maximize off-the-line performance. However, this can come at the expense of some fuel economy at highway speeds.

Equipment & Trim Levels

The GLB 35 came standard with a comprehensive list of features, including AMG-specific styling elements, such as a unique front grille, rear diffuser, and quad exhaust outlets. Inside, the GLB 35 featured sport seats upholstered in Artico leather and Dinamica microfiber, along with AMG-branded floor mats and steering wheel. Standard technology included a 10.25-inch touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, as well as a digital instrument cluster. Optional extras included a panoramic sunroof, premium Burmester sound system, and advanced driver-assistance systems such as adaptive cruise control and lane-keeping assist. The interior trim options allowed for some personalization, with choices in aluminum or carbon fiber accents.

Chassis & Braking

The GLB 35 features a reinforced chassis and upgraded suspension components compared to the standard GLB. The front suspension utilizes MacPherson struts, while the rear suspension employs a multi-link setup. AMG-tuned dampers and stabilizer bars further enhance handling and reduce body roll. The braking system consists of ventilated discs on all four wheels, with larger front discs (350mm) and rear discs (330mm) compared to the standard GLB. The brakes are equipped with AMG-branded calipers. ABS (Anti-lock Braking System) is standard, along with electronic stability control and traction control.

Market Reception & Comparison

The GLB 35 was generally well-received by automotive critics, who praised its performance, handling, and practicality. It was often lauded as a compelling alternative to more expensive performance SUVs. Comparisons were frequently drawn to the BMW X2 M35i and the Audi SQ2, with the GLB 35 often being considered a more spacious and versatile option. Fuel economy was generally considered acceptable for a performance SUV, but not exceptional. Reliability reports have been generally positive, although some owners have reported minor issues with the infotainment system. The GLB 35 offered a good balance of performance and everyday usability, making it an attractive option for buyers who wanted a sporty SUV without sacrificing practicality.

Legacy

The Mercedes-Benz GLB 35 4MATIC represents a significant step in Mercedes-AMG’s strategy of expanding its product portfolio to include more accessible performance models. The M 260 engine, while not as exotic as AMG’s larger engines, proved to be a capable and reliable powerplant. On the used car market, the GLB 35 holds its value relatively well, due to its performance credentials and the desirability of the AMG brand. The powertrain has demonstrated reasonable long-term reliability, with routine maintenance being key to ensuring its continued performance. The GLB 35 paved the way for other AMG-lite models, demonstrating the demand for performance-oriented versions of Mercedes-Benz’s mainstream vehicles.

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