The Mercedes-Benz GLC 300e 4MATIC, introduced in June 2022 as part of the X254 generation GLC SUV, represents a significant step in the brand’s plug-in hybrid (PHEV) strategy. Positioned as a mid-range offering within the GLC lineup, it bridges the gap between the conventionally powered models and the higher-performance AMG variants. This variant combines a 2.0-liter turbocharged four-cylinder gasoline engine with an electric motor, delivering a combined system output of 313 horsepower and offering a substantial all-electric range for daily commuting. The 300e is primarily aimed at buyers seeking a balance of efficiency, performance, and luxury in a compact SUV package, particularly in markets with strong incentives for electric vehicle adoption.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLC |
| Generation | GLC SUV (X254) |
| Type | GLC 300e (313 Hp) Plug-in Hybrid 4MATIC 9G-TRONIC |
| Start of production | June, 2022 |
| Powertrain Architecture | PHEV (Plug-in Hybrid Electric Vehicle) |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 0.6-0.8 l/100 km |
| CO2 emissions (WLTP) | 14-19 g/km |
| Fuel Type | Petrol / electricity |
| Acceleration 0 – 100 km/h | 6.7 sec |
| Acceleration 0 – 62 mph | 6.7 sec |
| Acceleration 0 – 60 mph | 6.4 sec |
| Maximum speed | 218 km/h (135.46 mph) |
| Weight-to-power ratio | 7.3 kg/Hp |
| Weight-to-torque ratio | 4.1 kg/Nm |
| Gross battery capacity | 31.2 kWh |
| Battery technology | Lithium-ion (Li-Ion) |
| Battery location | Under the trunk |
| Recuperation output | 100 kW |
| All-electric range (WLTP) | 104-120 km (64.62 – 74.56 mi) |
| Average Energy consumption (WLTP) | 24-26.8 kWh/100 km |
| Max speed (electric) | 140 km/h (86.99 mph) |
| Electric motor power | 136 Hp |
| Electric motor Torque | 440 Nm (324.53 lb.-ft.) |
| Electric motor location | Between the combustion engine and the transmission |
| System power | 313 Hp |
| System torque | 550 Nm (405.66 lb.-ft.) |
| Power | 204 Hp @ 6100 rpm |
| Torque | 320 Nm @ 2000-3200 rpm (236.02 lb.-ft. @ 2000-3200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 254 |
| Engine displacement | 1999 cm3 (121.99 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Compression ratio | 10:1 |
| 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 | 2280 kg (5026.54 lbs.) |
| Max. weight | 2840 kg (6261.13 lbs.) |
| Max load | 560 kg (1234.59 lbs.) |
| Fuel tank capacity | 49 l (12.94 US gal | 10.78 UK gal) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted towbar download | 100 kg (220.46 lbs.) |
| Length | 4716 mm (185.67 in.) |
| Width | 1890 mm (74.41 in.) |
| Width including mirrors | 2075 mm (81.69 in.) |
| Height | 1648 mm (64.88 in.) |
| Wheelbase | 2888 mm (113.7 in.) |
| Front track | 1627 mm (64.06 in.) |
| Rear (Back) track | 1640 mm (64.57 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle | 11 m (36.09 ft.) |
| Drivetrain Architecture | ICE and electric motor drive all four wheels |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 9 |
| Gearbox type | automatic transmission G-TRONIC |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension, Air suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Tires size | Front: 235/55 R19, Rear: 255/50 R19 |
INTRODUCTION
The X254 generation Mercedes-Benz GLC, launched in 2022, represents the second iteration of the popular compact luxury SUV. The GLC 300e, a plug-in hybrid variant, was introduced to cater to the growing demand for electrified vehicles. Built on the MRA2 platform, shared with other Mercedes-Benz models like the C-Class, the GLC 300e combines a gasoline engine with an electric motor to deliver improved fuel efficiency and reduced emissions. It serves as a compelling alternative to traditional gasoline-powered SUVs, offering a blend of performance, luxury, and environmental consciousness. The 300e is positioned as a premium offering, featuring a well-appointed interior and advanced technology.
Powertrain & Engine Architecture
At the heart of the GLC 300e lies the M 254 2.0-liter inline-four cylinder gasoline engine. This engine utilizes direct injection and a twin-scroll turbocharger to produce 204 horsepower and 320 Nm (236 lb-ft) of torque. The engine is paired with a 136 horsepower electric motor integrated between the engine and the 9G-TRONIC nine-speed automatic transmission. The electric motor draws power from a 31.2 kWh lithium-ion battery pack located under the trunk floor. This configuration allows for a combined system output of 313 horsepower and 550 Nm (405 lb-ft) of torque. The 9G-TRONIC transmission is specifically calibrated for hybrid operation, providing smooth and efficient gear changes. The engine management system seamlessly blends power from both sources, optimizing for performance or efficiency depending on driving conditions.
Driving Characteristics
The GLC 300e delivers a refined and responsive driving experience. In electric-only mode, the vehicle offers near-silent operation and brisk acceleration, suitable for urban commutes. The all-electric range of 104-120 km (64-75 miles) allows for significant emissions-free driving. When the gasoline engine engages, the transition is virtually seamless. The combined power output provides strong acceleration, with a 0-60 mph time of around 6.4 seconds. The 9G-TRONIC transmission offers well-spaced gear ratios, ensuring optimal power delivery in all situations. Compared to the base GLC 300, the 300e feels more responsive due to the instant torque provided by the electric motor. While the added weight of the battery pack slightly impacts handling, the GLC 300e remains composed and comfortable on the road.
Equipment & Trim Levels
The GLC 300e typically comes standard with a high level of equipment, reflecting its premium positioning. Standard features include Mercedes-Benz User Experience (MBUX) infotainment system with a large touchscreen display, premium upholstery, automatic climate control, and a comprehensive suite of safety features. Optional extras include advanced driver-assistance systems, such as adaptive cruise control and lane-keeping assist, as well as premium audio systems and panoramic sunroofs. Interior trim options range from aluminum to wood, allowing buyers to personalize the cabin to their preferences. The 300e also benefits from features specific to its plug-in hybrid nature, such as charging timers and energy consumption displays.
Chassis & Braking
The GLC 300e utilizes an independent multi-link suspension system at both the front and rear axles. The rear suspension incorporates air suspension, providing a comfortable ride and the ability to adjust ride height. Ventilated disc brakes are fitted on all four wheels, providing ample stopping power. The braking system is integrated with the hybrid system, utilizing regenerative braking to recapture energy and recharge the battery. Standard safety features include ABS, electronic stability control, and a suite of airbags. The chassis is designed to accommodate the added weight of the battery pack without compromising handling or stability.
Market Reception & Comparison
The GLC 300e has been generally well-received by automotive critics, praised for its fuel efficiency, refined driving experience, and luxurious interior. Compared to the standard GLC 300, the 300e offers significantly improved fuel economy and reduced emissions. However, the 300e carries a higher price tag due to the added complexity of the hybrid system. Compared to other plug-in hybrid SUVs in its class, the GLC 300e stands out with its premium features and sophisticated technology. Some critics have noted the limited cargo space due to the battery pack, but the overall practicality remains competitive.
Legacy
The Mercedes-Benz GLC 300e represents a key step in the brand’s commitment to electrification. The powertrain, while relatively new, is expected to prove reliable, benefiting from Mercedes-Benz’s engineering expertise. The long-term reliability of the battery pack remains a key consideration for potential buyers. As the used car market matures, the GLC 300e is likely to hold its value well, particularly in regions with strong demand for plug-in hybrid vehicles. The 300e’s combination of luxury, performance, and efficiency positions it as a desirable and forward-thinking SUV.





