The Mercedes-Benz GLA 180d, specifically the facelifted 2023 model (H247), represents an entry-level offering within the second-generation GLA compact SUV range. Introduced in March 2023, this variant is characterized by its fuel-efficient diesel engine and dual-clutch transmission. It’s positioned as a practical and economical choice for buyers prioritizing fuel economy and everyday usability over outright performance. The GLA 180d 8G-DCT caters primarily to the European market, where diesel engines remain popular due to favorable taxation and fuel costs, though it is available in select other markets. This model builds upon the foundation of the H247 platform, offering a more refined and technologically advanced package compared to its predecessor.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLA |
| Generation | GLA (H247, facelift 2023) |
| Type (Engine) | GLA 180d (116 Hp) 8G-DCT |
| Start of production | March, 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 5.3-5.8 l/100 km (44.4 – 40.6 US mpg, 53.3 – 48.7 UK mpg, 18.9 – 17.2 km/l) |
| CO2 emissions (WLTP) | 140-153 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11 sec |
| Acceleration 0 – 62 mph | 11 sec |
| Acceleration 0 – 60 mph | 10.5 sec |
| Maximum speed | 190 km/h (118.06 mph) |
| Emission standard | Euro 6d-ISC-FCM |
| Weight-to-power ratio | 13.7 kg/Hp, 73.2 Hp/tonne |
| Weight-to-torque ratio | 5.7 kg/Nm, 176.7 Nm/tonne |
| Power | 116 Hp @ 3400-4400 rpm |
| Power per litre | 59.5 Hp/l |
| Torque | 280 Nm @ 1300-2600 rpm (206.52 lb.-ft. @ 1300-2600 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | OM 654 |
| Engine displacement | 1950 cm3 (119 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 92.3 mm (3.63 in.) |
| Compression ratio | 15.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1585 kg (3494.33 lbs.) |
| Max. weight | 2160 kg (4761.98 lbs.) |
| Max load | 575 kg (1267.66 lbs.) |
| Trunk (boot) space – minimum | 427 l (15.08 cu. ft.) |
| Trunk (boot) space – maximum | 1422 l (50.22 cu. ft.) |
| Fuel tank capacity | 43 l (11.36 US gal | 9.46 UK gal) |
| AdBlue tank | 23.8 l (6.29 US gal | 5.24 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1600 kg (3527.4 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4412 mm (173.7 in.) |
| Width | 1834 mm (72.2 in.) |
| Width including mirrors | 2020 mm (79.53 in.) |
| Height | 1616 mm (63.62 in.) |
| Wheelbase | 2729 mm (107.44 in.) |
| Front track | 1605 mm (63.19 in.) |
| Rear (Back) track | 1606 mm (63.23 in.) |
| Front overhang | 907 mm (35.71 in.) |
| Rear overhang | 776 mm (30.55 in.) |
| Ride height (ground clearance) | 143 mm (5.63 in.) |
| Minimum turning circle (turning diameter) | 11.4 m (37.4 ft.) |
| Approach angle | 18.3° |
| Departure angle | 22.1° |
| Ramp-over (brakeover) angle | 14.4° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 8 gears, automatic transmission DCT |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 215/65 R17 |
| Wheel rims size | 6.5J x 17 |
Powertrain & Engine Architecture
The GLA 180d is powered by the OM 654 2.0-liter inline-four cylinder diesel engine. This engine is a cornerstone of Mercedes-Benz’s modern diesel lineup, known for its efficiency and relatively low emissions. It utilizes a second-generation commonrail direct injection system operating at pressures up to 2,700 bar, contributing to refined combustion and reduced noise. The engine also features a variable geometry turbocharger with an intercooler, optimizing boost pressure across the rev range. The 8G-DCT (8-speed Dual Clutch Transmission) is a key component, offering quick and smooth gear changes. This transmission is known for its efficiency and responsiveness, contributing to the overall driving experience. The DCT’s programming prioritizes fuel economy in normal driving modes, while offering more aggressive shift points in Sport mode.
Driving Characteristics
The 116 horsepower and 280 Nm (206 lb-ft) of torque delivered by the GLA 180d 8G-DCT result in a 0-60 mph time of around 10.5 seconds and a top speed of 118 mph. While not particularly sporty, the engine provides adequate power for everyday driving situations. The 8G-DCT transmission helps to mask the engine’s limitations, providing quick shifts and keeping the engine in its optimal power band. Compared to higher-output GLA variants like the GLA 250, the 180d feels noticeably slower, especially during acceleration and overtaking maneuvers. However, the 180d excels in fuel economy, offering significantly better MPG figures than its more powerful siblings. The gear ratios are tuned for efficiency, with taller gearing in higher gears to reduce engine speed at cruising speeds.
Equipment & Trim Levels
The GLA 180d typically comes standard with features such as automatic climate control, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, and a suite of safety features including automatic emergency braking and lane-keeping assist. Interior upholstery is generally fabric, with options for leather upgrades. Standard dashboard configuration includes digital instrument cluster. Optional extras often include a panoramic sunroof, upgraded sound system, and various driver assistance packages. Trim levels beyond the base model may add features like heated seats, parking assist, and more premium interior materials.
Chassis & Braking
The GLA 180d utilizes a McPherson strut front suspension and a multi-link rear suspension, providing a comfortable ride quality. The suspension is tuned for everyday usability rather than sporty handling. Front brakes are ventilated discs, while rear brakes are solid discs. The GLA 180d’s weight of approximately 1585 kg (3494 lbs) is relatively moderate for a compact SUV, contributing to manageable handling characteristics. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The GLA 180d was generally well-received by critics as a practical and economical choice within the compact SUV segment. Its fuel efficiency was consistently praised, making it an attractive option for drivers covering long distances. However, some reviewers noted that the engine lacked the punch of more powerful alternatives. Compared to the gasoline-powered GLA 200 or GLA 250, the 180d offered superior fuel economy but less exciting performance. Against competitors like the Audi Q3 and BMW X1, the GLA 180d held its own in terms of fuel efficiency and interior quality.
Legacy
The OM 654 engine, found in the GLA 180d, has proven to be a reliable and durable powertrain. While long-term reliability data is still accumulating for the facelifted 2023 model, the engine has a good track record in other Mercedes-Benz vehicles. On the used car market, the GLA 180d is likely to appeal to buyers seeking a fuel-efficient and practical compact SUV. Its relatively low running costs and comfortable ride make it a sensible choice for everyday transportation. The 8G-DCT transmission, when properly maintained, is also known for its longevity.



