The Mercedes-Benz GLA 180, equipped with the 7G-DCT dual-clutch transmission, was a key entry point into the GLA compact SUV range following the facelift in January 2017, continuing through October 2019. Positioned as the base model, it offered a balance of affordability and Mercedes-Benz luxury within the X156 generation. This variant aimed to attract buyers seeking a premium SUV experience with reasonable running costs. It served as a crucial volume seller, broadening the GLA’s appeal beyond those prioritizing outright performance.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLA |
| Generation | GLA (X156, facelift 2017) |
| Type (Engine) | GLA 180 (122 Hp) 7G-DCT |
| Start of production | January, 2017 |
| End of production | October, 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban (NEDC) | 7.4 l/100 km (31.8 US mpg, 38.2 UK mpg, 13.5 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 4.6-4.9 l/100 km (51.1 – 48 US mpg, 61.4 – 57.6 UK mpg, 21.7 – 20.4 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 5.6-5.8 l/100 km (42 – 40.6 US mpg, 50.4 – 48.7 UK mpg, 17.9 – 17.2 km/l) |
| CO2 emissions (NEDC) | 131-135 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.7 sec |
| Acceleration 0 – 62 mph | 8.7 sec |
| Acceleration 0 – 60 mph | 8.3 sec |
| Maximum speed | 200 km/h (124.27 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 11.1 kg/Hp, 89.7 Hp/tonne |
| Weight-to-torque ratio | 6.8 kg/Nm, 147.1 Nm/tonne |
| Power | 122 Hp @ 5000 rpm |
| Power per litre | 76.5 Hp/l |
| Torque | 200 Nm @ 1250-4000 rpm (147.51 lb.-ft. @ 1250-4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | M 270.910 |
| Engine displacement | 1595 cm3 (97.33 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 73.7 mm (2.9 in.) |
| Compression ratio | 10.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.8 l (6.13 US qt | 5.1 UK qt) |
| Kerb Weight | 1360 kg (2998.29 lbs.) |
| Max. weight | 1920 kg (4232.88 lbs.) |
| Max load | 560 kg (1234.59 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 | 715 kg (1576.31 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 |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 215/60 R17; 215/55 R18; 235/50 R18; 235/45 R19 |
| Wheel rims size | 6.5J x 17; 6.5J x 18; 7J x 18; 8J x 19 |
INTRODUCTION
The Mercedes-Benz GLA 180 7G-DCT, introduced after the 2017 facelift of the X156 series, represented the entry-level option for the GLA range. Built on the MFA (Mercedes-Benz Front-wheel drive Architecture) platform – also known as the 1HX0/A3 platform shared with other compact Mercedes-Benz and Renault models – it aimed to provide a more accessible price point without sacrificing the core values of the Mercedes-Benz brand. This variant was primarily marketed in Europe and other regions where smaller, fuel-efficient SUVs were in high demand. The facelift brought styling updates and improvements to the infotainment system, enhancing the GLA’s overall appeal.
Powertrain & Engine Architecture
The GLA 180 utilizes the M 270.910 1.6-liter inline-four cylinder gasoline engine. This engine is a key member of Mercedes-Benz’s modular engine family, known for its compact size and efficiency. It features direct fuel injection, a single turbocharger with an intercooler, and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The engine produces 122 horsepower at 5000 rpm and 200 Nm (147.51 lb.-ft.) of torque between 1250 and 4000 rpm. The 7G-DCT (7-speed dual-clutch transmission) is a crucial component, offering quick and smooth gear changes. This transmission is known for its efficiency and responsiveness, contributing to the GLA 180’s relatively good fuel economy. The Start & Stop system further enhances fuel savings by automatically shutting off the engine when the vehicle is stationary.
Driving Characteristics
The GLA 180 7G-DCT delivers a comfortable and refined driving experience, prioritizing ease of use over outright performance. Acceleration from 0-100 km/h (0-62 mph) takes 8.7 seconds, which is adequate for everyday driving but noticeably slower than higher-powered GLA variants like the GLA 250. The 7G-DCT transmission provides seamless shifts, and the engine offers sufficient torque for merging onto highways and overtaking. However, the engine can feel strained when pushed hard, particularly when fully loaded. The front-wheel-drive configuration contributes to predictable handling, but it lacks the all-wheel-drive stability of other GLA models. The gear ratios are tuned for fuel efficiency, resulting in a slightly less engaging driving experience compared to a manual transmission.
Equipment & Trim Levels
The GLA 180 typically came standard with features such as automatic climate control, a multimedia system with a 7-inch display screen, Bluetooth connectivity, and a suite of safety features including ABS, ESP, and multiple airbags. Interior upholstery was generally fabric, with options for leather upgrades. Common optional extras included a larger infotainment screen, navigation system, panoramic sunroof, and various driver assistance systems like parking assist and lane keeping assist. Trim levels varied by market, but generally offered packages that bundled popular options together. The overall interior design reflected Mercedes-Benz’s commitment to quality and aesthetics, even in the entry-level model.
Chassis & Braking
The GLA 180 utilizes an independent McPherson strut suspension at the front and a multi-link suspension at the rear, providing a comfortable ride quality. A stabilizer bar is 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 rather than sporty handling, making it well-suited for everyday driving. The relatively lightweight nature of the GLA 180, weighing in at 1360 kg (2998.29 lbs), contributes to its manageable handling characteristics.
Market Reception & Comparison
The GLA 180 7G-DCT was generally well-received by critics as a practical and affordable entry point into the premium compact SUV segment. Its fuel economy, ranging from 5.6 to 5.8 l/100 km (42-40.6 US mpg), was a significant selling point. Compared to the more powerful GLA 250, the 180 offered lower running costs but sacrificed performance. The GLA 200 d diesel variant provided a similar level of economy with more torque, making it a popular alternative. Reliability reports suggest that the M 270 engine and 7G-DCT transmission are generally reliable, although regular maintenance is crucial. Some owners have reported minor issues with the infotainment system and electrical components.
Legacy
The GLA 180 7G-DCT remains a relatively common sight on the used car market. Its affordability and fuel efficiency continue to appeal to buyers seeking a practical and stylish compact SUV. The M 270 engine, while not known for its exceptional performance, has proven to be reasonably durable with proper maintenance. The 7G-DCT transmission is also generally reliable, but it’s essential to check for smooth shifting and any signs of wear during a pre-purchase inspection. The GLA 180 played a significant role in expanding the GLA’s customer base, attracting buyers who might not have considered a Mercedes-Benz SUV otherwise.
