The Mercedes-Benz GLC 300 4MATIC, produced from 2019 to 2022 as part of the X253 facelift generation, represents a significant iteration of Mercedes-Benz’s popular compact luxury SUV. This variant, equipped with a 2.0-liter turbocharged inline-four engine and a 48-volt mild hybrid system (EQ Boost), occupied a central position in the GLC lineup, offering a balance of performance, efficiency, and technology. It aimed to appeal to buyers seeking a premium SUV experience without the higher price tag of the AMG-tuned models or the diesel-focused variants available in other markets.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLC |
| Generation | GLC SUV (X253, facelift 2019) |
| Type | GLC 300 (258 Hp) EQ Boost 4MATIC G-TRONIC |
| Start of production | 2019 |
| End of production | July, 2022 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption at Low speed (WLTP) | 8.1 l/100 km (29 US mpg, 34.9 UK mpg, 12.3 km/l) |
| Fuel consumption at very high speed (WLTP) | 9.6 l/100 km (24.5 US mpg, 29.4 UK mpg, 10.4 km/l) |
| CO2 emissions (WLTP) | 185-217 g/km |
| Fuel consumption (economy) – urban | 8.9-9.3 l/100 km (26.4 – 25.3 US mpg, 31.7 – 30.4 UK mpg, 11.2 – 10.8 km/l) |
| Fuel consumption (economy) – extra urban | 6.0-6.3 l/100 km (39.2 – 37.3 US mpg, 47.1 – 44.8 UK mpg, 16.7 – 15.9 km/l) |
| Fuel consumption (economy) – combined | 7.1-7.4 l/100 km (33.1 – 31.8 US mpg, 39.8 – 38.2 UK mpg, 14.1 – 13.5 km/l) |
| CO2 emissions | 162-169 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.2 sec |
| Acceleration 0 – 62 mph | 6.2 sec |
| Acceleration 0 – 60 mph | 5.9 sec |
| Maximum speed | 240 km/h (149.13 mph) |
| Emission standard | Euro 6d-TEMP-EVAP-ISC |
| Weight-to-power ratio | 6.7 kg/Hp, 149.1 Hp/tonne |
| Weight-to-torque ratio | 4.7 kg/Nm, 213.9 Nm/tonne |
| Battery voltage | 48 V |
| Electric motor power | 14 Hp |
| Electric motor Torque | 150 Nm (110.63 lb.-ft.) |
| Electric motor location | Front, Longitudinal |
| Power | 258 Hp |
| Power per litre | 129.6 Hp/l |
| Torque | 370 Nm @ 1800-4000 rpm (272.9 lb.-ft. @ 1800-4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 264.920 |
| Engine displacement | 1991 cm3 (121.5 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-scroll turbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6 l (6.34 US qt | 5.28 UK qt) |
| Kerb Weight | 1730 kg (3814 lbs.) |
| Max. weight | 2405 kg (5302.12 lbs.) |
| Max load | 675 kg (1488.12 lbs.) |
| Trunk (boot) space – minimum | 550 l (19.42 cu. ft.) |
| Trunk (boot) space – maximum | 1600 l (56.5 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Permitted trailer load with brakes (12%) | 2400 kg (5291.09 lbs.) |
| Length | 4655 mm (183.27 in.) |
| Width | 1890 mm (74.41 in.) |
| Height | 1644 mm (64.72 in.) |
| Wheelbase | 2873 mm (113.11 in.) |
| Front track | 1621 mm (63.82 in.) |
| Front overhang | 830 mm (32.68 in.) |
| Rear overhang | 952 mm (37.48 in.) |
| Approach angle | 19.9° |
| Departure angle | 14.1° |
| Ramp-over (brakeover) angle | 12.1° |
| Drivetrain Architecture | ICE and electric motor drive all four wheels, operating in mixed mode. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 9 gears, automatic transmission G-TRONIC |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
Powertrain & Engine Architecture
The GLC 300 4MATIC’s heart is the M 264.920 2.0-liter inline-four engine. This engine utilizes direct injection and a twin-scroll turbocharger to deliver 258 horsepower and 272.9 lb.-ft. of torque. The key innovation in this variant is the integration of a 48-volt mild hybrid system, branded as EQ Boost. This system incorporates a 14 hp electric motor integrated into the transmission, providing supplemental power during acceleration and enabling a smoother start/stop function. The 48V system also powers an electric compressor, reducing turbo lag and improving responsiveness. The engine is paired with Mercedes-Benz’s 9G-TRONIC nine-speed automatic transmission, known for its smooth shifts and wide gear ratio spread. This transmission is calibrated to work seamlessly with the EQ Boost system, optimizing efficiency and performance.
Driving Characteristics
The GLC 300 4MATIC offers a refined and comfortable driving experience. The EQ Boost system provides a noticeable boost during initial acceleration, contributing to a 0-60 mph time of around 5.9 seconds. While not as overtly sporty as the AMG variants, the GLC 300 delivers ample power for everyday driving and highway passing. The 9G-TRONIC transmission contributes to relaxed cruising, with well-spaced gear ratios. Compared to the higher-output GLC 43 AMG, the 300 prioritizes fuel efficiency and comfort over outright performance. The 4MATIC all-wheel-drive system provides excellent traction in various weather conditions, enhancing stability and confidence.
Equipment & Trim Levels
The GLC 300 4MATIC came standard with a comprehensive suite of features, including Mercedes-Benz’s MBUX infotainment system with a touchscreen display, Apple CarPlay and Android Auto integration, and a suite of driver-assistance technologies such as automatic emergency braking and lane-keeping assist. Interior appointments typically included MB-Tex synthetic leather upholstery, power-adjustable front seats, and dual-zone automatic climate control. Optional extras included genuine leather upholstery, a panoramic sunroof, a premium Burmester sound system, and advanced driver-assistance features like adaptive cruise control and blind-spot monitoring.
Chassis & Braking
The GLC 300 4MATIC features a four-wheel independent suspension, providing a comfortable ride and predictable handling. The front suspension utilizes MacPherson struts, while the rear employs a multi-link setup. Ventilated disc brakes are standard on all four wheels, providing ample stopping power. The electronic stability program (ESP) and anti-lock braking system (ABS) work in conjunction to enhance safety and control. The suspension tuning is geared towards comfort, but the GLC 300 still offers a reasonably engaging driving experience.
Market Reception & Comparison
The GLC 300 4MATIC was well-received by automotive critics, who praised its comfortable ride, refined interior, and efficient powertrain. The EQ Boost system was noted as a significant improvement, enhancing responsiveness and fuel economy. Compared to the GLC 300e plug-in hybrid, the 4MATIC offered a lower initial price point but lacked the ability to drive on electric power alone. Against competitors like the BMW X3 and Audi Q5, the GLC 300 4MATIC held its own, offering a compelling combination of luxury, technology, and performance.
Legacy
The Mercedes-Benz GLC 300 4MATIC (2019-2022) represents a pivotal step in the brand’s adoption of mild hybrid technology. The M 264 engine and 9G-TRONIC transmission have proven to be reliable, and the EQ Boost system has generally experienced few issues. On the used car market, these models are sought after for their blend of luxury, efficiency, and technology. Regular maintenance, including oil changes and adherence to Mercedes-Benz’s service intervals, is crucial for ensuring long-term reliability. The GLC 300 4MATIC remains a competitive option in the compact luxury SUV segment, offering a refined and capable driving experience.
