Mercedes CLS 2010 250 2010 CDI BlueEFFICIENCY (C218)
Mercedes CLS 2010 2.1 diesel description
Coupe Mercedes CLS 2010 250 2010 CDI BlueEFFICIENCY has been produced from January, 2010 to January, 2014. It has four-cylinder diesel engine with displacement of 2.1 litres, which produces power of 204 horsepower on 4200 rpm and torque 500 Nm (Newton metres) on 1600 revolutions per minute.
This 4-cylinder 16-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has Common Rail fuel system, it has no turbine. Engine versions compliant with Euro 5 and Euro 6 emission standards available. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 220 000 and 370 000 kilometres. Remember that engine life depends on regular maintenance and the quality of the materials used (oils, fuels, etc.).
More engine specs
The engine has a long service life if it is serviced on time and has reasonable fuel ...
This Mercedes CLS 2.1 engine oil type is 5W-30, 5W-40 and oil capacity is 7.2 litres.
Mercedes CLS 2010 250 2010 CDI BlueEFFICIENCY has classical rear wheel drive (RWD) and automatic gearbox with 7 gears.
Mercedes CLS 2010 250 2010 CDI BlueEFFICIENCY accelerates to speed 100 kilometres per hour in 7.5 seconds. The maximum speed of this car is 242 km/h.
In combined cycle (city and motorway), the Mercedes CLS 2010 250 2010 CDI BlueEFFICIENCY fuel consumption is 5.1 litres per 100km (19.6 km/l) - this is the most fuel efficient Mercedes CLS 2010 - 2014 version, city fuel economy - 6.4 l/100km, fuel consumption on highway - 4.4 l/100km. Fuel tank capacity is 59 litres or 15.59 gallons, which gives a mileage up to 1140 kilometers without refueling in urban cycle and even up to 1340 kilometers on highway.
According to user reviews, this Mercedes real everyday fuel consumption is 6.9 litres per 100 km, which is 35% more than the manufacturer's stated. More - Real Mercedes CLS fuel consumption.

Mercedes CLS 2010 250 2010 CDI BlueEFFICIENCY technical data
Model: | Mercedes CLS 250 2010 CDI BlueEFFICIENCY | ||
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Body style: | Coupe | ||
Production period: | 2010. January ... 2014. January | ||
Engine: | 2143 cm3 Diesel, 4 cylinders | CO2 emissions: | 134 g/km |
Power: | 204 HP ON 4200 RPM | Torque: | 500 NM ON 1600 RPM |
Gearbox: | Automatic gearbox (7 gears) | Drive type: | Rear wheel drive (RWD) |
Top speed: | 242 km/h | Acceleration 0-100 km/h: | 7.5 seconds |
Fuel consumption (l/100km): | 5.1 (combined) 6.4 (urban) 4.4 (highway) | ||
Real fuel consumption: | 6.9 l/100km (34.1 MPG) by user reviews from various sources | ||
Fuel tank capacity: | 59 litres (15.6 gallons) | ||
Car dimensions: | 4.94m (length) 1.88m (width) 1.42m (height) | ||
Turning diameter: | 11.2 meters | ||
Trunk capacity: | 520 litres | ||
Gross weight: | 2270 kg |
Mercedes CLS 2010 250 2010 CDI BlueEFFICIENCY engine OM651 220/250 CDI
Engine reliability and common problems:
The engine has a long service life if it is serviced on time and has reasonable fuel consumption. The most common problems are caused by the engine chain tensioner and the fuel delivery system.Overall, this engine can last around 220,000 to 370,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.
The engine has hydraulic valve tappets (lifters), which provide quieter operation and do not require periodic adjustment, but are more complex in design and can cause serious engine damage in the event of failure.
Engine displacement | 2143 cm3 |
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Number of cylinders | 4 |
Bore (cylinder diameter) | 83 mm |
Stroke length (piston move) | 99 mm |
Compression ratio | 16.2 : 1 |
Camshaft drive | Timing chain Chain motors are considered more reliable, chain replacement usually is required less often than a timing belt, but they are often louder and vibrate more. More service info |
Timing chain change interval | 250,000 km (recommended) Sometimes manufacturers do not specify timing chain replacement intervals and design chains for engine life. However, once the recommended change interval has been reached, it is recommended to periodically check the condition of the chain and to change the chain if excessive stretching is detected or if unusual noises from the engine or other symptoms occur. |
Fuel system | Common Rail Common rail fuel injection provides more engine power, is quieter, more environmentally friendly and offers better fuel economy, but is more expensive to maintain and repair. |
Mercedes CLS 2010 250 2010 CDI BlueEFFICIENCY oil type | 5W-30, 5W-40 |
Oil capacity | 7.2 litres (7.6 quarts) More service info |
Coolant capacity | 10.4 litres (11 quarts) |
Power | 163 - 204 HP ON 4200 RPM |
Torque | 350 - 500 NM ON 1600 RPM |
Start of production (year) | 2010 |
Duration of production | 15 years |
Often in the first years of production, engines tend to have various constructive problems, so it is recommended to choose a car with this engine from 2013 onwards. |
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Engine also used on | Mercedes C klase Mercedes E klase Mercedes ML Mercedes A klase and 10 other models |
Generally, the use of an engine in several models and its long production run is an indication of the quality of the engine and the success of its design. |
Most often compared to
All Mercedes CLS coupe [2010 - 2014] modifications
Modification | Engine | Power | Consumption | Drive type |
---|---|---|---|---|
Mercedes CLS 2.1 250 2010 CDI BlueEFFICIENCY
Jan 2010 — Jan 2014 Most fuel efficient diesel version |
2.1 Diesel | 204 HP | 5.1 l/100km | Rear wheel |
Mercedes CLS 350 CDI BlueEFFICIENCY
Jan 2010 — Jan 2014 Most powerfull diesel version (265 HP) |
3.0 Diesel | 265 HP | 6.0 l/100km | Rear wheel |
Mercedes CLS 3.5 350 2010 BlueEFFICIENCY
Oct 2010 — Jan 2014 Most fuel efficient petrol version |
3.5 Petrol | 306 HP | 6.8 l/100km | Rear wheel |
Mercedes CLS 4.7 500 2010 4Matic 4x4 Jan 2010 — Jan 2014 | 4.7 Petrol | 408 HP | 9.6 l/100km | All wheel |
Mercedes CLS 2013 5.5 AMG CLS 63
Jan 2013 — Dec 2014 Most dynamic version - 100 km/h in 4.2 seconds |
5.5 Petrol | 557 HP | 9.9 l/100km | Rear wheel |