The Mercedes-Benz GLA 180d, specifically the variant produced from January 2017 to May 2018 as part of the X156 facelift generation, represents an entry-level offering within the GLA compact SUV range. Powered by a 1.5-liter diesel engine producing 109 horsepower and paired with a 7G-DCT dual-clutch transmission, this model was designed to appeal to buyers prioritizing fuel efficiency and affordability within the premium compact SUV segment. It occupied the lower end of the GLA lineup, positioned below more powerful gasoline and diesel variants like the GLA 200, GLA 220d, and the performance-oriented GLA 45 AMG.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLA |
| Generation | GLA (X156, facelift 2017) |
| Type (Engine) | GLA 180d (109 Hp) 7G-DCT |
| Start of production | January, 2017 |
| End of production | May, 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban (NEDC) | 4.5-4.7 l/100 km (52.3 – 50 US mpg, 62.8 – 60.1 UK mpg, 22.2 – 21.3 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 3.6-3.8 l/100 km (65.3 – 61.9 US mpg, 78.5 – 74.3 UK mpg, 27.8 – 26.3 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 3.9-4.1 l/100 km (60.3 – 57.4 US mpg, 72.4 – 68.9 UK mpg, 25.6 – 24.4 km/l) |
| CO2 emissions (NEDC) | 103-109 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.7 sec |
| Acceleration 0 – 62 mph | 11.7 sec |
| Acceleration 0 – 60 mph | 11.1 sec |
| Maximum speed | 190 km/h (118.06 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 12.8 kg/Hp, 78.1 Hp/tonne |
| Weight-to-torque ratio | 5.4 kg/Nm, 186.4 Nm/tonne |
| Power | 109 Hp @ 4000 rpm |
| Power per litre | 74.6 Hp/l |
| Torque | 260 Nm @ 1750-2500 rpm (191.77 lb.-ft. @ 1750-2500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | OM 607.951 |
| Engine displacement | 1461 cm3 (89.16 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 76 mm (2.99 in.) |
| Piston Stroke | 80.5 mm (3.17 in.) |
| Compression ratio | 15.4:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | SOHC |
| Engine oil capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Kerb Weight | 1395 kg (3075.45 lbs.) |
| Max. weight | 1970 kg (4343.11 lbs.) |
| Max load | 575 kg (1267.66 lbs.) |
| Trunk (boot) space – minimum | 421 l (14.87 cu. ft.) |
| Trunk (boot) space – maximum | 1235 l (43.61 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1200 kg (2645.55 lbs.) |
| Permitted trailer load without brakes | 735 kg (1620.4 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4424 mm (174.17 in.) |
| Width | 1804 mm (71.02 in.) |
| Width including mirrors | 2022 mm (79.61 in.) |
| Height | 1494 mm (58.82 in.) |
| Wheelbase | 2699 mm (106.26 in.) |
| Front track | 1569 mm (61.77 in.) |
| Rear (Back) track | 1560 mm (61.42 in.) |
| Front overhang | 913 mm (35.94 in.) |
| Rear overhang | 812 mm (31.97 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle (turning diameter) | 11.84 m (38.85 ft.) |
| Approach angle | 15.8° |
| Departure angle | 21.5° |
| Ramp-over (brakeover) angle | 13.3° |
| 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 | 7 gears, automatic transmission G-DCT |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Wishbone, Transverse stabilizer, Trailing arm |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
Powertrain & Engine Architecture
The GLA 180d utilizes the OM 607.951 engine, a 1.5-liter inline-four cylinder diesel engine. This engine is part of Mercedes-Benz’s modular engine family, designed for efficiency and reduced emissions. It features a turbocharger with an intercooler to boost power output, and employs a diesel commonrail fuel injection system for precise fuel delivery. The engine produces 109 horsepower at 4000 rpm and 260 Nm (191.77 lb-ft) of torque between 1750 and 2500 rpm. The 7G-DCT (7-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 vehicle’s overall fuel economy. The engine also incorporates a Start & Stop system and a particulate filter to meet Euro 6 emission standards.
Driving Characteristics
The GLA 180d with the 7G-DCT transmission delivers a comfortable and refined driving experience, prioritizing fuel efficiency over outright performance. Acceleration from 0 to 100 km/h (0-62 mph) takes approximately 11.7 seconds. While not particularly quick, the engine provides adequate power for everyday driving situations. The 7G-DCT transmission contributes to smooth gear changes, and the relatively long gear ratios are geared towards maximizing fuel economy. Compared to the more powerful GLA 200 or GLA 220d models, the 180d feels noticeably slower, especially during overtaking maneuvers. However, the torque available from low engine speeds makes it reasonably drivable in urban environments. The front-wheel-drive configuration provides predictable handling, but lacks the all-wheel-drive stability of higher-spec GLA models.
Equipment & Trim Levels
The GLA 180d typically came equipped with standard features such as automatic climate control, a multimedia system with a central display screen, Bluetooth connectivity, and a suite of safety features including ABS, ESP, and multiple airbags. Interior upholstery was generally cloth, with options for leather upgrades. Standard dashboard configuration included plastic trim with metallic accents. Optional extras included features like a panoramic sunroof, navigation system, parking assist, and upgraded sound systems. Trim levels varied slightly depending on the market, but generally offered packages that bundled together popular options.
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 comfort rather than sporty handling. Front brakes are ventilated discs, while rear brakes are solid discs. The braking system is assisted by ABS (Anti-lock Braking System) and ESP (Electronic Stability Program). The vehicle’s weight of approximately 1395 kg (3075.45 lbs) influences its handling characteristics, making it feel less agile than lighter competitors. Stabilizer bars are included on both axles to reduce body roll during cornering.
Market Reception & Comparison
The GLA 180d was generally well-received by critics as an affordable and fuel-efficient entry point into the premium compact SUV segment. Its fuel economy figures of 3.9-4.1 l/100 km (60.3 – 57.4 US mpg) were a major selling point. However, some reviewers criticized its relatively low power output and slow acceleration compared to other GLA variants. Compared to the GLA 200, the 180d offered significantly lower running costs but sacrificed performance. The GLA 220d provided a better balance of power and efficiency, but at a higher price point. Reliability reports suggest that the OM 607.951 engine is generally reliable, but like all diesel engines, it requires regular maintenance and can be susceptible to issues with the diesel particulate filter.
Legacy
The GLA 180d (X156 facelift) remains a popular choice in the used car market, particularly for buyers seeking a fuel-efficient and affordable premium SUV. The 7G-DCT transmission has proven to be relatively durable, although regular servicing is essential. The OM 607.951 engine is known for its longevity, but potential buyers should be aware of the potential costs associated with diesel particulate filter maintenance and repair. The GLA 180d represents a practical and economical option within the GLA range, offering a blend of comfort, efficiency, and Mercedes-Benz build quality.
