The Mercedes-Benz GLB 180d, introduced with the facelift of the X247 generation in March 2023, represents the entry-level diesel variant of the compact GLB SUV. Positioned as a fuel-efficient and practical option within the GLB lineup, it caters to buyers prioritizing economy and usability over outright performance. Available with five or seven seats, the GLB 180d utilizes a 1.95-liter turbocharged diesel engine paired with an 8-speed dual-clutch transmission (8G-DCT), offering a balance between comfort and efficiency in a versatile package. This model is primarily marketed in Europe and other regions where diesel engines remain popular, offering a compelling alternative to gasoline-powered counterparts.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLB |
| Generation | GLB (X247, facelift 2023) |
| Type (Engine) | GLB 180d (116 Hp) 8G-DCT |
| Start of production | March, 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5-7 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 5.5-6.1 l/100 km (42.8 – 38.6 US mpg, 51.4 – 46.3 UK mpg, 18.2 – 16.4 km/l) |
| CO2 emissions (WLTP) | 144-160 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.5 sec |
| Acceleration 0 – 62 mph | 11.5 sec |
| Acceleration 0 – 60 mph | 10.9 sec |
| Maximum speed | 188 km/h (116.82 mph) |
| Emission standard | Euro 6d-ISC-FCM |
| Weight-to-power ratio | 14.2 kg/Hp, 70.3 Hp/tonne |
| Weight-to-torque ratio | 5.9 kg/Nm, 169.7 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 | 1650 kg (3637.63 lbs.) |
| Max. weight | 2225 kg (4905.29 lbs.) |
| Max load | 575 kg (1267.66 lbs.) |
| Trunk (boot) space – minimum | 570 l (20.13 cu. ft.) |
| Trunk (boot) space – maximum | 1805 l (63.74 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 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 | 100 kg (220.46 lbs.) |
| Length | 4634 mm (182.44 in.) |
| Width | 1834 mm (72.2 in.) |
| Width including mirrors | 2020 mm (79.53 in.) |
| Height | 1697 mm (66.81 in.) |
| Wheelbase | 2829 mm (111.38 in.) |
| Front track | 1604 mm (63.15 in.) |
| Rear (Back) track | 1604 mm (63.15 in.) |
| Front overhang | 905 mm (35.63 in.) |
| Rear overhang | 900 mm (35.43 in.) |
| Ride height (ground clearance) | 135 mm (5.31 in.) |
| Minimum turning circle (turning diameter) | 11.7 m (38.39 ft.) |
| Approach angle | 18° |
| Departure angle | 18.3° |
| Ramp-over (brakeover) angle | 13.9° |
| 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 |
| 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 Steering |
| Tires size | 215/65 R17 |
| Wheel rims size | 6.5J x 17 |
INTRODUCTION
The GLB 180d, launched with the 2023 facelift, is a front-wheel-drive compact SUV that forms the base of the GLB diesel range. Built on the Mercedes-Benz 2nd generation MFA platform (1HX0/A3), it offers a practical and relatively affordable entry point into the GLB model line. The facelift brought styling updates, enhanced technology, and revised engine calibrations, aiming to improve efficiency and refinement. The 180d is designed for customers who prioritize fuel economy and everyday usability, particularly in markets where diesel remains a popular choice.
Powertrain & Engine Architecture
At the heart of the GLB 180d lies the OM 654 1.95-liter inline-four cylinder diesel engine. This engine is a key component of Mercedes-Benz’s modular engine family, known for its lightweight construction and advanced technology. It features a common-rail direct injection system operating at pressures up to 2,700 bar, ensuring precise fuel delivery and efficient combustion. The engine utilizes a variable geometry turbocharger with an intercooler to optimize boost pressure across the rev range. The 8G-DCT dual-clutch transmission provides quick and smooth gear changes, contributing to both performance and fuel efficiency. This transmission features eight forward gears and a wet multi-plate clutch, offering responsive shifts and a wide gear ratio spread. The engine produces 116 horsepower at 3400-4400 rpm and 280 Nm (206.52 lb-ft) of torque between 1300-2600 rpm.
Driving Characteristics
The GLB 180d, with its 116 hp and 8-speed automatic, delivers adequate performance for everyday driving. Acceleration from 0-100 km/h takes 11.5 seconds, which is noticeably slower than higher-powered GLB variants like the GLB 200 or GLB 220d. The 8G-DCT transmission is well-tuned, providing smooth upshifts and downshifts, although it can occasionally exhibit some hesitation at lower speeds. The engine’s peak torque is available from a low 1300 rpm, providing good responsiveness in urban driving conditions. However, overtaking maneuvers on the highway require careful planning. Compared to the manual transmission options available on other GLB models, the 8G-DCT offers greater convenience and ease of use, particularly in stop-and-go traffic. The front-wheel-drive configuration contributes to good fuel economy but limits traction in slippery conditions.
Equipment & Trim Levels
The GLB 180d typically comes equipped with a generous amount of standard features, reflecting Mercedes-Benz’s commitment to luxury and technology. Standard equipment often includes features like the MBUX infotainment system with a touchscreen display, Apple CarPlay and Android Auto integration, automatic climate control, and a suite of safety features such as automatic emergency braking and lane-keeping assist. Interior upholstery is typically fabric, with options for leather upgrades. Optional extras include features like a panoramic sunroof, premium sound system, and advanced driver-assistance systems like adaptive cruise control and blind-spot monitoring. Trim levels can vary depending on the market, but generally, the 180d serves as the entry point, with higher trims offering more luxurious appointments and additional features.
Chassis & Braking
The GLB 180d utilizes an independent suspension setup, with McPherson struts at the front and a multi-link suspension at the rear. This configuration provides a comfortable ride quality, absorbing bumps and imperfections in the road surface effectively. A stabilizer bar is fitted to both the front and rear 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, providing enhanced braking performance and stability. The steering is electrically assisted, offering a light and precise feel. The tires are typically 215/65 R17, providing a good balance between comfort and grip.
Market Reception & Comparison
The GLB 180d has been generally well-received by automotive critics as a practical and fuel-efficient option within the GLB range. Its primary strength lies in its low running costs and comfortable ride. However, its relatively modest power output has been a point of criticism, with some reviewers noting that it can feel underpowered when fully loaded or when tackling steep hills. Compared to the GLB 200d, the 180d offers lower fuel consumption but sacrifices performance. Against competitors like the BMW X1 or Audi Q3, the GLB 180d offers a compelling combination of space, practicality, and fuel efficiency, particularly for buyers who prioritize diesel power.
Legacy
The OM 654 engine, used in the GLB 180d, has proven to be a reliable and durable powertrain. While long-term reliability data is still emerging for the facelifted 2023 models, the engine has a good track record in other Mercedes-Benz vehicles. The 8G-DCT transmission is also known for its robustness, although regular maintenance is crucial to ensure optimal performance. On the used car market, the GLB 180d is expected to hold its value reasonably well, particularly due to its fuel efficiency and practicality. Its relatively lower purchase price compared to higher-powered variants will likely make it an attractive option for budget-conscious buyers seeking a versatile and comfortable compact SUV.
