The Mercedes-Benz CLA 180 (C178), introduced in November 2025, represents the entry point into the CLA Saloon range. Positioned as a fuel-efficient and technologically advanced compact executive car, it caters to buyers seeking a premium experience with a focus on economy and comfort. This variant utilizes a mild hybrid powertrain paired with an 8-speed dual-clutch transmission (8G-DCT), marking a significant step towards electrification within the Mercedes-Benz lineup. The C178 generation CLA, built on the MFA platform shared with other compact Mercedes-Benz models, aimed to broaden the brand’s appeal to a younger demographic with its coupe-like styling and modern features.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | CLA |
| Generation | CLA Saloon (C178) |
| Type | CLA 180 (156 Hp) Mild Hybrid 8G-eDCT |
| Start of production | November, 2025 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption at Low speed (WLTP) | 7.1 l/100 km (33.1 US mpg, 39.8 UK mpg, 14.1 km/l) |
| Fuel consumption at Medium speed (WLTP) | 4.8 l/100 km (49 US mpg, 58.9 UK mpg, 20.8 km/l) |
| Fuel consumption at High speed (WLTP) | 4.3 l/100 km (54.7 US mpg, 65.7 UK mpg, 23.3 km/l) |
| Fuel consumption at Very High speed (WLTP) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| Combined fuel consumption (WLTP) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| CO2 emissions (WLTP) | 115 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.8 sec |
| Acceleration 0 – 62 mph | 8.8 sec |
| Acceleration 0 – 60 mph | 8.4 sec (Calculated) |
| Maximum speed | 218 km/h (135.46 mph) |
| Emission standard | Euro 6e-bis |
| Weight-to-power ratio | 10.9 kg/Hp, 92 Hp/tonne |
| Weight-to-torque ratio | 6.1 kg/Nm, 165.2 Nm/tonne |
| Gross battery capacity | 1.3 kWh |
| Battery voltage | 48 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Electric motor power | 30 Hp |
| Electric motor Torque | 200 Nm (147.51 lb.-ft.) |
| Electric motor location | Integrated into the transmission |
| Electric motor type | Synchronous |
| System power | 156 Hp |
| System torque | 280 Nm (206.52 lb.-ft.) |
| Engine Power | 136 Hp @ 5500 rpm |
| Engine Torque | 200 Nm @ 1500-4000 rpm (147.51 lb.-ft. @ 1500-4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | M 252 |
| Engine displacement | 1499 cm3 (91.47 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine systems | Start & Stop System, Particulate filter |
| Kerb Weight | 1695 kg (3736.84 lbs.) |
| Max. weight | 2125 kg (4684.82 lbs.) |
| Max load | 430 kg (947.99 lbs.) |
| Trunk (boot) space – minimum | 405 l (14.3 cu. ft.) |
| Fuel tank capacity | 43 l (11.36 US gal, 9.46 UK gal) |
| Permitted trailer load with brakes (12%) | 1600 kg (3527.4 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4723 mm (185.94 in.) |
| Width | 1855 mm (73.03 in.) |
| Width including mirrors | 2021 mm (79.57 in.) |
| Height | 1450 mm (57.09 in.) |
| Wheelbase | 2790 mm (109.84 in.) |
| Minimum turning circle | 11.2 m (36.75 ft.) |
| Drivetrain Architecture | Front wheel drive, MHEV |
| Number of gears and type of gearbox | 8 gears, automatic transmission G-eDCT |
| Front suspension | Independent, McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric |
| Tires size | 205/55 R17 |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The CLA 180 utilizes a 1.5-liter inline-four cylinder engine, internally designated as the M 252. This engine produces 136 horsepower at 5500 rpm and 200 Nm (147.51 lb-ft) of torque between 1500 and 4000 rpm. A key feature is its integration with a 48-volt mild hybrid system. This system incorporates a belt-driven starter-generator which assists the engine during acceleration, allows for extended coasting with the engine off, and facilitates a smoother start-stop function. The engine employs direct fuel injection and a turbocharger with an intercooler to enhance efficiency and power output. The 8G-DCT dual-clutch transmission provides quick and seamless gear changes, contributing to both performance and fuel economy. This transmission is known for its responsiveness and efficiency compared to traditional automatic transmissions.
Driving Characteristics
The CLA 180 Automatic delivers a comfortable and refined driving experience. While not overtly sporty, the mild hybrid system provides a noticeable boost during acceleration, making it feel more responsive than its horsepower figure might suggest. The 8G-DCT transmission shifts smoothly and efficiently, contributing to a relaxed cruising experience. Compared to higher-output CLA variants like the CLA 250, the 180 offers less outright performance, with a 0-60 mph time of around 8.4 seconds. However, it excels in fuel efficiency, making it a practical choice for daily commuting. The gear ratios are tuned for economy, prioritizing smooth transitions and minimizing engine revs at highway speeds.
Equipment & Trim Levels
The standard equipment on the CLA 180 typically includes features such as automatic climate control, a touchscreen infotainment system with smartphone integration (Apple CarPlay and Android Auto), and a suite of safety features including automatic emergency braking and lane keeping assist. Interior upholstery is generally a combination of fabric and synthetic leather, with options for full leather available as an upgrade. Optional extras often include a panoramic sunroof, upgraded sound system, and advanced driver assistance systems like adaptive cruise control. The dashboard configuration is modern and minimalist, reflecting Mercedes-Benz’s design language.
Chassis & Braking
The CLA 180 features a McPherson strut front suspension and a multi-link rear suspension, providing a good balance between comfort and handling. Stabilizer bars are included on both axles to reduce body roll during cornering. The braking system consists of ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) is standard, ensuring safe and controlled braking in various conditions. The suspension tuning is geared towards comfort, prioritizing a smooth ride over aggressive handling.
Market Reception & Comparison
The CLA 180 was generally well-received by critics as an accessible entry point into the Mercedes-Benz brand. Its fuel efficiency and comfortable ride were frequently praised. However, some reviewers noted that the engine could feel strained under hard acceleration, and that the performance was not as engaging as that of higher-powered CLA variants. Compared to the CLA 200 or CLA 250, the 180 offered a more affordable price point but sacrificed some performance. Its fuel economy was notably better than the more powerful models, making it an attractive option for budget-conscious buyers.
Legacy
The CLA 180 with the M 252 engine and 8G-DCT transmission has proven to be a relatively reliable powertrain. The mild hybrid system, while complex, has not been associated with widespread issues. In the used car market, these models are often sought after for their fuel efficiency and relatively low maintenance costs. The 8G-DCT transmission, when properly maintained, is known for its durability. As with any modern vehicle, regular servicing and adherence to the manufacturer’s recommended maintenance schedule are crucial for long-term reliability.
