MERCEDES BENZ SL-Klasse (R231) 400 BlueEFFICIENCY
Mercedes SL 2012 3.0 petrol description
Cabrio MERCEDES BENZ SL-Klasse (R231) 400 BlueEFFICIENCY has been produced from January, 2012 to January, 2016. It has six-cylinder petrol engine with displacement of 3.0 litres, which produces power of 335 horsepower on 5250 rpm and torque 480 Nm (Newton metres) on 1600 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 and turbine. Engine versions compliant with Euro 5 and Euro 6 emission standards available. Average engine life expectancy (mileage before serious repairs are needed) is from 220 000 to 370 000 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 SL 3.0 engine oil type is 5W-30 and oil capacity is 8 litres.
MERCEDES BENZ SL-Klasse (R231) 400 BlueEFFICIENCY has classical rear wheel drive (RWD) and automatic gearbox with 7 gears.
MERCEDES BENZ SL-Klasse (R231) 400 BlueEFFICIENCY accelerates to speed 100 kilometres per hour in 5.2 seconds. The maximum speed of this car is 249 km/h.
The fuel consumption of this MERCEDES BENZ SL-Klasse (R231) 400 BlueEFFICIENCY in combined mode (combining urban and highway driving) is 7.7 litres per 100km (13 km/l) - this is one of most fuel efficient Mercedes SL 2012 - 2016 versions, fuel consumption in city - 10.2 l/100km, highway fuel economy - 6.2 l/100km. Fuel tank capacity is 65 litres or 17.17 gallons, which gives a mileage up to 840 kilometers without refueling in urban cycle and even up to 1040 kilometers on highway.
According to user reviews, this Mercedes real everyday fuel consumption is 12.9 litres per 100 km, which is 68% more than the manufacturer's stated. More - Real Mercedes SL fuel consumption.

MERCEDES BENZ SL-Klasse (R231) 400 BlueEFFICIENCY technical data
Model: | MERCEDES BENZ SL-Klasse (R231) 400 BlueEFFICIENCY | ||
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Body style: | Cabrio | ||
Production period: | 2012. January ... 2016. January | ||
Engine: | 2996 cm3 Petrol, 6 cylinders | CO2 emissions: | 179 g/km |
Power: | 335 HP ON 5250 RPM | Torque: | 480 NM ON 1600 RPM |
Gearbox: | Automatic gearbox (7 gears) | Drive type: | Rear wheel drive (RWD) |
Maximum speed: | 249 km/h | Acceleration 0-100 km/h: | 5.2 seconds |
Fuel consumption (l/100km): | 7.7 (combined) 10.2 (urban) 6.2 (highway) | ||
Real fuel consumption: | 12.9 l/100km (18.2 MPG) by user reviews from various sources | ||
Fuel tank capacity: | 65 litres (17.2 gallons) | ||
Car dimensions: | 4.62m (length) 1.88m (width) 1.32m (height) | ||
Turning diameter: | 11 meters | ||
Ground clearance: | 96 mm (approximate, with standard suspension, unladen vehicle) | ||
Seats: | 2 seats | ||
Trunk capacity: | 241 litres | ||
Trunk max capacity: | 381 litres (with rear seats folded down) | ||
Gross weight: | 2110 kg |
MERCEDES BENZ SL-Klasse (R231) 400 BlueEFFICIENCY engine M276 DEH30 LA
Engine reliability:
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 | 2996 cm3 |
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Number of cylinders | 6 |
Bore (cylinder diameter) | 88 mm |
Stroke length (piston move) | 82.1 mm |
Compression ratio | 10.7 : 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 BENZ SL-Klasse (R231) 400 BlueEFFICIENCY oil type | 5W-30 |
Oil capacity | 8 litres (8.5 quarts) |
Coolant capacity | 10.8 litres (11.4 quarts) |
Power | 333 - 367 HP ON 5250 RPM |
Torque | 480 - 520 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 E klase Mercedes ML Mercedes GLE |
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 SL cabrio [2012 - 2016] modifications
Modification | Engine | Power | Consumption |
---|---|---|---|
MERCEDES BENZ SL-Klasse (R231) 400 BlueEFFICIENCY | 3.0 Petrol | 335 HP | 7.7 l/100km |
Mercedes SL 3.5 350 2012
Most fuel efficient version |
3.5 Petrol | 306 HP | 6.8 l/100km |
Mercedes SL 4.7 500 2012 | 4.7 Petrol | 435 HP | 9.1 l/100km |
Mercedes SL 2014 5.5 AMG SL 63
Jan 2014 — Dec 2015 Most dynamic version - 100 km/h in 4.2 seconds |
5.5 Petrol | 585 HP | 9.9 l/100km |