The Mercedes-Benz GLK 200 CDI BlueEFFICIENCY, produced from 2011 to 2012, was a diesel-powered variant of the X204 GLK-Class compact luxury SUV. Positioned as an entry-level offering within the GLK range, it aimed to provide a balance of fuel efficiency and practicality for European buyers. This model featured Mercedes’ Start & Stop technology, further enhancing its eco-credentials. It played a significant role in broadening the GLK’s appeal, offering a more accessible price point compared to the more powerful gasoline and higher-output diesel versions.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLK |
| Generation | GLK (X204) |
| Type (Engine) | GLK 200 CDI BlueEFFICIENCY (143 Hp) Start & Stop |
| Start of production | 2011 |
| End of production | 2012 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 6.9-7.4 l/100 km (34.1 – 31.8 US mpg, 40.9 – 38.2 UK mpg, 14.5 – 13.5 km/l) |
| Fuel consumption (extra urban) | 5-5.3 l/100 km (47 – 44.4 US mpg, 56.5 – 53.3 UK mpg, 20 – 18.9 km/l) |
| Fuel consumption (combined) | 5.7-6.1 l/100 km (41.3 – 38.6 US mpg, 49.6 – 46.3 UK mpg, 17.5 – 16.4 km/l) |
| CO2 emissions | 149-159 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.3 sec |
| Acceleration 0 – 62 mph | 10.3 sec |
| Acceleration 0 – 60 mph | 9.8 sec |
| Maximum speed | 195 km/h (121.17 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 12.2 kg/Hp, 81.7 Hp/tonne |
| Weight-to-torque ratio | 5 kg/Nm, 200 Nm/tonne |
| Power | 143 Hp @ 3200 rpm |
| Power per litre | 66.7 Hp/l |
| Torque | 350 Nm @ 1200-2800 rpm (258.15 lb.-ft. @ 1200-2800 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) |
| 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.) |
| Length | 4525 mm (178.15 in.) |
| Width | 1840 mm (72.44 in.) |
| Width including mirrors | 2016 mm (79.37 in.) |
| Height | 1689 mm (66.5 in.) |
| Wheelbase | 2755 mm (108.46 in.) |
| Front track | 1567 mm (61.69 in.) |
| Rear track | 1588 mm (62.52 in.) |
| Front overhang | 813 mm (32.01 in.) |
| Rear overhang | 957 mm (37.68 in.) |
| Ride height (ground clearance) | 201 mm (7.91 in.) |
| Drag coefficient (Cd) | 0.34 |
| Minimum turning circle | 11.5 m (37.73 ft.) |
| Approach angle | 23° |
| Departure angle | 25° |
| Ramp-over angle | 19° |
| Climb angle | 35° |
| Wading depth | 300 mm (11.81 in.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 6 |
| Type of gearbox | 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 |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Front tires | 235/60 R17; 235/50 R19; 235/45 R20 |
| Rear tires | 235/60 R17; 235/50 R19; 255/45 R19; 255/40 R20 |
| Front wheel rims | 7.5J x 17; 7.5J x 19; 8.5J x 20 |
| Rear wheel rims | 7.5J x 17; 7.5J x 19; 8.5J x 19; 9.5J x 20 |
INTRODUCTION
The Mercedes-Benz GLK 200 CDI BlueEFFICIENCY, launched in 2011 and continuing through 2012, was a key component of the X204 GLK-Class range. Built on the W204 C-Class platform (internally designated 204), the GLK aimed to bring a more compact and fuel-efficient option to the burgeoning luxury SUV market. The “BlueEFFICIENCY” designation signified Mercedes-Benz’s commitment to improving fuel economy through various technologies, including the Start & Stop system. This variant was primarily targeted at European markets where diesel engines and fuel efficiency were highly valued. It offered a more affordable entry point into the GLK lineup, appealing to buyers who didn’t require the higher performance of the GLK 280 or the GLK 350.
Powertrain & Engine Architecture
At the heart of the GLK 200 CDI BlueEFFICIENCY lies the OM651.916 2.1-liter inline-four cylinder diesel engine. This engine is a sophisticated design featuring common-rail direct injection, a turbocharger with an intercooler, and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The high compression ratio of 16.2:1 contributes to its thermal efficiency. The engine produces 143 horsepower at 3200 rpm and a substantial 350 Nm (258 lb-ft) of torque between 1200 and 2800 rpm. This broad torque curve provides good low-end responsiveness, making it suitable for everyday driving. The engine is longitudinally mounted in the front of the vehicle. The GLK 200 CDI was paired with a 6-speed manual transmission, sending power to the rear wheels. While an automatic transmission was available on other GLK models, the 200 CDI was exclusively offered with a manual gearbox in many markets.
Driving Characteristics
The GLK 200 CDI BlueEFFICIENCY, with its 143 hp and manual transmission, offered a driving experience focused on efficiency and practicality rather than outright performance. Acceleration from 0 to 100 km/h (0-62 mph) took approximately 10.3 seconds. While not particularly quick, the engine’s strong low-end torque made it feel more responsive in everyday driving situations, such as overtaking and merging onto highways. The manual transmission allowed for greater driver control and contributed to the car’s fuel efficiency. The gear ratios were tuned to prioritize fuel economy, meaning the engine often operated at lower revolutions per minute during cruising. Compared to the more powerful GLK 280 or GLK 350, the 200 CDI felt noticeably less energetic, but it provided a more economical and engaging driving experience for those prioritizing fuel savings.
Equipment & Trim Levels
The GLK 200 CDI BlueEFFICIENCY typically came with a respectable level of standard equipment, though it was generally less lavish than the higher-end GLK models. Standard features often included automatic climate control, a multi-function steering wheel, power windows and mirrors, and a basic audio system. Safety features such as ABS, ESP, and multiple airbags were also standard. Interior upholstery was typically cloth, though leather options were available as upgrades. Optional extras included a sunroof, navigation system, upgraded audio systems, parking sensors, and various cosmetic enhancements. The trim level was generally considered the base trim for the GLK, focusing on providing essential features at a competitive price point.
Chassis & Braking
The GLK 200 CDI BlueEFFICIENCY utilized a McPherson strut front suspension with coil springs and an anti-roll bar, providing a comfortable and controlled ride. The rear suspension employed a multi-link independent setup, also with coil springs and a stabilizer bar. This configuration aimed to balance ride comfort with handling stability. The braking system consisted of ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) was standard, enhancing braking performance and safety. The suspension tuning was generally geared towards comfort, making it well-suited for everyday driving. The relatively lower weight of the 200 CDI compared to some of the higher-spec GLK models contributed to its nimble handling.
Market Reception & Comparison
The GLK 200 CDI BlueEFFICIENCY was generally well-received by automotive critics, particularly for its fuel efficiency and practicality. Reviewers praised the engine’s torque and the car’s comfortable ride. However, some criticized its relatively modest performance compared to its competitors and the lack of an automatic transmission option in some markets. Compared to other GLK variants, the 200 CDI offered significantly better fuel economy, making it an attractive option for drivers covering long distances. Its lower price point also made it more accessible to a wider range of buyers. Against competitors like the BMW X3 and Audi Q5, the GLK 200 CDI offered a compelling combination of value, efficiency, and Mercedes-Benz luxury.
Legacy
The OM651 engine family, used in the GLK 200 CDI, has proven to be a reliable and durable powertrain. While some early examples experienced issues with diesel particulate filters (DPF), these were largely addressed through software updates and improved maintenance procedures. Today, well-maintained GLK 200 CDI models can still provide years of reliable service. In the used car market, these vehicles are often sought after by buyers looking for a fuel-efficient and relatively affordable luxury SUV. The GLK 200 CDI BlueEFFICIENCY represents a significant step in Mercedes-Benz’s efforts to improve fuel economy and reduce emissions, paving the way for future generations of efficient luxury vehicles.
