The Mercedes-Benz GLA 220d, equipped with the 7G-DCT dual-clutch transmission, was a significant offering within the X156 GLA model range produced from July 2015 to 2017. Positioned as a mid-range variant, it bridged the gap between the entry-level GLA 200d and the more performance-oriented GLA 250. This compact luxury crossover aimed to deliver a balance of fuel efficiency, respectable performance, and the premium features expected of the Mercedes-Benz brand. The GLA, as a whole, represented Mercedes-Benz’s entry into the burgeoning compact SUV segment, offering a more accessible price point than their larger offerings while still maintaining a high level of refinement.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLA |
| Generation | GLA (X156) |
| Type (Engine) | GLA 220d (177 Hp) 7G-DCT |
| Start of production | July, 2015 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban (NEDC) | 5-5.2 l/100 km (47 – 45.2 US mpg, 56.5 – 54.3 UK mpg, 20 – 19.2 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 3.7-3.9 l/100 km (63.6 – 60.3 US mpg, 76.3 – 72.4 UK mpg, 27 – 25.6 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 4.2-4.4 l/100 km (56 – 53.5 US mpg, 67.3 – 64.2 UK mpg, 23.8 – 22.7 km/l) |
| CO2 emissions (NEDC) | 110-115 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.7 sec |
| Acceleration 0 – 62 mph | 7.7 sec |
| Acceleration 0 – 60 mph | 7.3 sec |
| Maximum speed | 223 km/h (138.57 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.2 kg/Hp, 121.2 Hp/tonne |
| Weight-to-torque ratio | 4.2 kg/Nm, 239.7 Nm/tonne |
| Power | 177 Hp @ 3600-3800 rpm |
| Power per litre | 82.6 Hp/l |
| Torque | 350 Nm @ 1400-3400 rpm (258.15 lb.-ft. @ 1400-3400 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | OM 651.930 |
| Engine displacement | 2143 cm3 (130.77 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 99 mm (3.9 in.) |
| 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 | 1460 kg (3218.75 lbs.) |
| Max. weight | 2020 kg (4453.34 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%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4417 mm (173.9 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 | 906 mm (35.67 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° |
| 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 220d 7G-DCT, produced between 2015 and 2017, was a key component of the X156 GLA series. Built on the MFA (Modular Front-wheel Drive Architecture) platform – also underpinning the A-Class and CLA – the GLA aimed to bring Mercedes-Benz’s luxury and technology to a more compact and accessible package. The 220d variant, powered by a 2.1-liter turbocharged diesel engine, offered a compelling blend of fuel economy and performance, making it a popular choice in European markets where diesel engines were prevalent. It was designed to appeal to buyers seeking a premium crossover with a focus on efficiency and everyday usability.
Powertrain & Engine Architecture
At the heart of the GLA 220d lies the OM651.930 2.1-liter inline-four cylinder diesel engine. This engine, a mainstay in many Mercedes-Benz models of the era, is known for its durability and efficiency. It utilizes a second-generation common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The turbocharger, coupled with an intercooler, provides increased air intake, boosting power and torque. The engine produces 177 horsepower at 3600-3800 rpm and 350 Nm (258 lb-ft) of torque between 1400-3400 rpm. The 7G-DCT (7-speed Dual Clutch Transmission) is a crucial element of this powertrain. This transmission offers quick and smooth gear changes, contributing to both performance and fuel efficiency. It features two separate clutches, one for odd-numbered gears and one for even-numbered gears, allowing for pre-selection of the next gear and seamless shifts.
Driving Characteristics
The GLA 220d 7G-DCT delivers a comfortable and refined driving experience. While not overtly sporty, the engine provides sufficient power for everyday driving and highway cruising. The 7G-DCT transmission contributes to brisk acceleration, with a 0-60 mph time of around 7.3 seconds. The gear ratios are tuned for efficiency, prioritizing fuel economy over outright performance. Compared to the more powerful GLA 250, the 220d feels less eager to rev, but its abundant low-end torque makes it well-suited for overtaking maneuvers. The front-wheel-drive configuration provides predictable handling, although it lacks the all-wheel-drive stability of some other GLA variants. The suspension is tuned for comfort, absorbing bumps and imperfections in the road effectively.
Equipment & Trim Levels
The GLA 220d typically came well-equipped, reflecting its position as a mid-range model. Standard features often included automatic climate control, a multi-function steering wheel, a 7-inch infotainment display with Bluetooth connectivity, and a suite of safety features such as ABS, ESP, and multiple airbags. Interior upholstery was typically Artico leatherette, with options for genuine leather upgrades. Optional extras included a larger infotainment screen, navigation system, panoramic sunroof, parking assist, and various driver assistance systems. Trim levels could vary depending on the market, but generally offered increasing levels of luxury and technology.
Chassis & Braking
The GLA 220d utilizes a McPherson strut front suspension and a multi-link rear suspension. This setup provides a good balance of ride comfort and handling. The front suspension incorporates a stabilizer bar to reduce body roll during cornering. Braking duties are handled by ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) and ESP (Electronic Stability Program) are standard features, enhancing safety and control. The steering is electrically assisted, providing a light and precise feel.
Market Reception & Comparison
The GLA 220d was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some reviewers noted that the engine could be somewhat noisy under hard acceleration. Compared to the GLA 200d, the 220d offered a noticeable performance improvement, while still maintaining excellent fuel economy. Against the GLA 250, it sacrificed some performance but offered a lower price point and better fuel efficiency. The 220d’s diesel engine made it particularly popular in Europe, where diesel fuel was more affordable and readily available than gasoline.
Legacy
The GLA 220d, particularly with the 7G-DCT transmission, has proven to be a relatively reliable vehicle. The OM651 diesel engine is known for its longevity, and the 7G-DCT transmission, while complex, has generally held up well over time. On the used car market, the GLA 220d remains a popular choice for buyers seeking a compact luxury crossover with good fuel economy and a comfortable ride. However, potential buyers should be aware of the potential for diesel particulate filter (DPF) issues, particularly if the vehicle has been primarily used for short trips. Regular maintenance and the use of high-quality diesel fuel are essential for ensuring the long-term reliability of this powertrain.
