The Mercedes-Benz GLK 220 CDI, produced from June 2012 to May 2015, represents a key variant within the X204 GLK facelift range. Positioned as a fuel-efficient and practical entry point into the compact luxury SUV segment, the 220 CDI offered a balance between performance and economy. It was a significant model for Mercedes-Benz, particularly in European markets where diesel engines held a strong preference. The GLK, overall, aimed to bridge the gap between the larger ML-Class and the smaller, more urban-focused B-Class, offering a versatile vehicle for families and individuals alike. This specific variant utilized a refined diesel engine paired with a six-speed manual transmission, catering to buyers seeking a traditional driving experience with reduced running costs.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLK |
| Generation | GLK (X204, facelift 2012) |
| Type (Engine) | GLK 220 CDI (170 Hp) |
| Start of production | June, 2012 |
| End of production | May, 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban (NEDC) | 6.5 l/100 km (36.2 US mpg, 43.5 UK mpg, 15.4 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 4.9-5.1 l/100 km (48 – 46.1 US mpg, 57.6 – 55.4 UK mpg, 20.4 – 19.6 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 5.5-5.6 l/100 km (42.8 – 42 US mpg, 51.4 – 50.4 UK mpg, 18.2 – 17.9 km/l) |
| CO2 emissions (NEDC) | 143-147 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.5 sec |
| Acceleration 0 – 62 mph | 8.5 sec |
| Acceleration 0 – 60 mph | 8.1 sec |
| Maximum speed | 205 km/h (127.38 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 10.3 kg/Hp, 97.1 Hp/tonne |
| Weight-to-torque ratio | 4.4 kg/Nm, 228.6 Nm/tonne |
| Power | 170 Hp @ 3200-4200 rpm |
| Power per litre | 79.3 Hp/l |
| Torque | 400 Nm @ 1400-2800 rpm (295.02 lb.-ft. @ 1400-2800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 651.916 |
| 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.) |
| Compression ratio | 16.2:1 |
| 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) |
| Coolant | 10 l (10.57 US qt | 8.8 UK qt) |
| Kerb Weight | 1750 kg (3858.09 lbs.) |
| Max. weight | 2400 kg (5291.09 lbs.) |
| Max load | 650 kg (1433 lbs.) |
| Trunk (boot) space – minimum | 450 l (15.89 cu. ft.) |
| Trunk (boot) space – maximum | 1550 l (54.74 cu. ft.) |
| Fuel tank capacity | 59 l (15.59 US gal | 12.98 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 100 kg (220.46 lbs.) |
| Length | 4536 mm (178.58 in.) |
| Width | 1840 mm (72.44 in.) |
| Width including mirrors | 2016 mm (79.37 in.) |
| Height | 1669 mm (65.71 in.) |
| Wheelbase | 2755 mm (108.46 in.) |
| Front track | 1574 mm (61.97 in.) |
| Rear (Back) track | 1597 mm (62.87 in.) |
| Front overhang | 824 mm (32.44 in.) |
| Rear overhang | 957 mm (37.68 in.) |
| Ride height (ground clearance) | 188 mm (7.4 in.) |
| Minimum turning circle (turning diameter) | 11.65 m (38.22 ft.) |
| Approach angle | 22.8° |
| Departure angle | 24.6° |
| Wading depth | 300 mm (11.81 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| 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, 330 mm |
| Rear brakes | Ventilated discs, 300 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | Front wheel tires: 235/60 R17; 235/50 R19; 235/45 R20; Rear wheel tires: 235/60 R17; 255/55 R17; 235/50 R19; 255/45 R19; 255/40 R20 |
| Wheel rims size | Front wheel rims: 7.5J x 17; 7.5J x 19; 8J x 20; 8.5J x 20; Rear wheel rims: 7.5J x 17; 8J x 17; 7.5J x 19; 8.5J x 19; 9J x 20; 9.5J x 20 |
INTRODUCTION
The Mercedes-Benz GLK 220 CDI (X204 facelift, 2012-2015) was a crucial component of Mercedes-Benz’s compact SUV lineup. Introduced as part of the X204’s mid-life refresh, this variant combined a fuel-efficient 2.1-liter four-cylinder diesel engine with a six-speed manual transmission. It was primarily aimed at the European market, where diesel-powered vehicles were – and continue to be – highly popular due to their fuel economy and torque characteristics. The GLK 220 CDI offered a more accessible entry point into the GLK range compared to the more powerful GLK 350 models, appealing to buyers prioritizing practicality and running costs over outright performance. The facelift brought styling updates, improved interior materials, and enhanced technology, solidifying the GLK’s position as a competitive offering in the premium compact SUV segment.
Powertrain & Engine Architecture
At the heart of the GLK 220 CDI lies the OM651.916 2.1-liter inline-four cylinder diesel engine. This engine is a highly refined unit, known for its durability and efficiency. It features a common-rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. A variable geometry turbocharger (VGT) with an intercooler further enhances performance and responsiveness. The engine utilizes a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its smooth operation and power delivery. The 16.2:1 compression ratio is typical for a diesel engine, maximizing efficiency. The six-speed manual transmission provides a direct and engaging driving experience, allowing the driver to fully utilize the engine’s 400 Nm (295 lb-ft) of torque. The transmission’s gear ratios are tuned for a balance of acceleration and fuel economy, with a relatively long sixth gear for efficient cruising on highways.
Driving Characteristics
The GLK 220 CDI, with its 170 horsepower and 400 Nm of torque, offered a respectable, though not exhilarating, driving experience. Acceleration from 0-100 km/h (0-62 mph) took around 8.5 seconds, which was competitive for its class but noticeably slower than the more powerful GLK 350. The strength of this variant lay in its mid-range torque, providing ample power for everyday driving and overtaking maneuvers. The manual transmission allowed for precise control, and the engine felt responsive throughout its rev range. Compared to the automatic transmission options available on other GLK models, the manual offered a more connected feel and potentially slightly better fuel economy. However, it did require more driver involvement, which might not appeal to all buyers. The relatively long gearing contributed to a comfortable highway ride, but could feel slightly sluggish when accelerating from lower speeds.
Equipment & Trim Levels
The GLK 220 CDI typically came well-equipped, even as a base model. Standard features included automatic climate control, a multi-function steering wheel, power windows and mirrors, and a basic audio system. Upholstery was generally cloth, though leather options were available as upgrades. The dashboard layout was typical of Mercedes-Benz at the time, with a focus on functionality and a premium feel. Optional extras included a navigation system, a sunroof, heated seats, parking sensors, and upgraded audio systems. The GLK 220 CDI often served as a platform for various packages, such as the Sport package (which added styling enhancements and sportier suspension) and the Premium package (which included luxury features like leather upholstery and a premium audio system).
Chassis & Braking
The GLK 220 CDI featured a robust chassis designed to provide a comfortable and secure driving experience. The front suspension utilized a McPherson strut setup with coil springs and an anti-roll bar, while the rear suspension employed a multi-link independent system, also with a stabilizer bar. This configuration provided a good balance between ride comfort and handling. Braking duties were handled by ventilated discs on all four wheels, providing ample stopping power. The GLK 220 CDI was equipped with ABS (Anti-lock Braking System) as standard, enhancing safety and control during emergency braking situations. The suspension tuning was generally geared towards comfort, but the GLK still offered a reasonably stable and predictable handling experience.
Market Reception & Comparison
The GLK 220 CDI was generally well-received by automotive critics, particularly for its fuel efficiency and practicality. Reviewers praised the engine’s torque and responsiveness, as well as the comfortable ride quality. However, some criticized the relatively modest power output compared to competitors. Compared to the GLK 350, the 220 CDI offered significantly better fuel economy, but at the expense of performance. The 220 CDI also represented a more affordable entry point into the GLK range, making it an attractive option for budget-conscious buyers. Against rivals like the BMW X3 and Audi Q5, the GLK 220 CDI offered a compelling combination of luxury, practicality, and fuel efficiency.
Legacy
The OM651 engine family, used in the GLK 220 CDI, has proven to be remarkably durable and reliable. With proper maintenance, these engines can easily exceed 200,000 kilometers (125,000 miles) without major issues. The GLK 220 CDI remains a popular choice in the used car market, particularly for buyers seeking a fuel-efficient and well-built luxury SUV. Common maintenance items include regular oil changes, filter replacements, and occasional attention to the diesel particulate filter (DPF). Overall, the GLK 220 CDI represents a solid and dependable vehicle that continues to offer good value for money.
