Mercedes CLS 2010 350 2010 BlueEFFICIENCY (C218)
Mercedes CLS 2010 3.5 petrol description
Coupe Mercedes CLS 2010 350 2010 BlueEFFICIENCY has been produced from October, 2010 to January, 2014. It has six-cylinder petrol engine with displacement of 3.5 litres, which produces power of 306 horsepower on 6500 rpm and torque 370 Nm (Newton metres) on 3500 revolutions per minute.
This 6-cylinder 24-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system without turbocharger. Engine versions compliant with Euro 5 and Euro 6 emission standards available. Average engine life expectancy (mileage before serious repairs are needed) is from 270 000 to 450 000 kilometres. It is important to remember that engine life is highly dependent on regular maintenance and the quality of the oils and fuels used.
More engine specs
This Mercedes CLS 3.5 engine oil type is 5W-30 and oil capacity is 8 litres.
Mercedes CLS 2010 350 2010 BlueEFFICIENCY has classical rear wheel drive (RWD) and automatic gearbox with 7 gears.
Mercedes CLS 2010 350 2010 BlueEFFICIENCY accelerates to speed 100 kilometres per hour in 6.1 seconds. The maximum speed of this car is 250 km/h.
The fuel consumption of this Mercedes CLS 2010 350 2010 BlueEFFICIENCY in combined mode (combining urban and highway driving) is 6.8 litres per 100km (14.7 km/l), fuel consumption in city - 9.1 l/100km, highway fuel economy - 5.4 l/100km. Fuel tank capacity is 59 litres or 15.59 gallons, which gives a mileage up to 860 kilometers without refueling in urban cycle and even up to 1080 kilometers on highway.
According to user reviews, this Mercedes real everyday fuel consumption is 10.3 litres per 100 km, which is 51% more than the manufacturer's stated. More - Real Mercedes CLS fuel consumption.

Mercedes CLS 2010 350 2010 BlueEFFICIENCY technical data
Model: | Mercedes CLS 350 2010 BlueEFFICIENCY | ||
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Body style: | Coupe | ||
Production period: | 2010. October ... 2014. January | ||
Engine: | 3498 cm3 Petrol, 6 cylinders | CO2 emissions: | 159 g/km |
Power: | 306 HP ON 6500 RPM | Torque: | 370 NM ON 3500 RPM |
Gearbox: | Automatic gearbox (7 gears) | Drive type: | Rear wheel drive (RWD) |
Maximum speed: | 250 km/h | Acceleration 0-100 km/h: | 6.1 seconds |
Fuel consumption (l/100km): | 6.8 (combined) 9.1 (urban) 5.4 (highway) | ||
Real fuel consumption: | 10.3 l/100km (22.8 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: | 2220 kg |
Mercedes CLS 2010 350 2010 BlueEFFICIENCY engine M276 DES35
Engine reliability:
Overall, this engine can last around 270,000 to 450,000 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 | 3498 cm3 |
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Number of cylinders | 6 |
Bore (cylinder diameter) | 92.9 mm |
Stroke length (piston move) | 86 mm |
Compression ratio | 12.2 : 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. |
Fuel system | Injection |
Mercedes CLS 2010 350 2010 BlueEFFICIENCY oil type | 5W-30 |
Oil capacity | 8 litres (8.5 quarts) |
Coolant capacity | 9.6 litres (10.1 quarts) |
Power | 306 HP ON 6500 RPM |
Torque | 370 NM ON 3500 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 SLK and 3 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 |