Mercedes CLS 2018 CLS 450 (C257)
Mercedes CLS 2018 3.0 petrol description
Coupe Mercedes CLS 2018 CLS 450 has been produced from January, 2018 to December, 2021. It has six-cylinder petrol engine with displacement of 3.0 litres, which produces power of 367 horsepower and torque 500 Nm (Newton metres).
This 6-cylinder 24-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system and BorgWarner B03G turbine. The engine meets the Euro 6 emissions standard. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 220 000 and 370 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs
This Mercedes CLS 3.0 engine oil type is 5W-30 and oil capacity is 6.5 litres.
Mercedes CLS 2018 CLS 450 has all four wheel drive (AWD, 4x4) and automatic gearbox with 9 gears.
Mercedes CLS 2018 CLS 450 accelerates to speed 100 kilometres per hour in 4.8 seconds. The maximum speed of this car is 250 km/h.

Mercedes CLS 2018 CLS 450 technical data
Model: | Mercedes CLS CLS 450 | ||
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Body style: | Coupe | ||
Production period: | 2018. January ... 2021. December | ||
Engine: | 2999 cm3 Petrol, 6 cylinders | CO2 emissions: | no data |
Power: | 367 HP | Torque: | 500 NM |
Gearbox: | Automatic gearbox (9 gears) | Drive type: | All wheel drive (AWD, 4x4) |
Top speed: | 250 km/h | Acceleration 0-100 km/h: | 4.8 seconds |
Fuel consumption (l/100km): | no data | ||
Fuel tank capacity: | 66 litres (17.4 gallons) | ||
Car dimensions: | 5.00m (length) 1.89m (width) 1.42m (height) | ||
Ground clearance: | 93 mm (approximate, with standard suspension, unladen vehicle) | ||
Seats: | 5 seats | ||
Gross weight: | 2585 kg |
Mercedes CLS 2018 CLS 450 engine M256 E30 DEH LA GR
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 | 2999 cm3 |
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Number of cylinders | 6 |
Bore (cylinder diameter) | 83 mm |
Stroke length (piston move) | 92.4 mm |
Compression ratio | 10.5 : 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 2018 CLS 450 oil type | 5W-30 |
Oil capacity | 6.5 litres (6.9 quarts) |
Coolant capacity | 12 litres (12.7 quarts) |
Power | 367 HP |
Torque | 500 NM |
Start of production (year) | 2017 |
Duration of production | 8 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 2020 onwards. |
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Engine also used on | Mercedes E klase Mercedes SL 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 CLS coupe [2018 - 2021] modifications
Modification | Engine | Power | Consumption | Drive type |
---|---|---|---|---|
Mercedes CLS 2018 2.0 CLS 350 | 2.0 Petrol | 299 HP | 7.9 l/100km | Rear wheel |
Mercedes CLS 2019 2.0 CLS 220d Jan 2019 — Dec 2021 | 2.0 Diesel | 194 HP | - | Rear wheel |
Mercedes CLS 2018 2.0 CLS 300 d | 2.0 Diesel | 245 HP | - | Rear wheel |
Mercedes CLS 2018 2.9 CLS 350 d 4x4 | 2.9 Diesel | 286 HP | - | All wheel |
Mercedes CLS 2018 2.9 CLS 400 d 4x4
Most powerfull diesel version (340 HP) |
2.9 Diesel | 340 HP | - | All wheel |
Mercedes CLS 2018 3.0 CLS 450 4x4 | 3.0 Petrol | 367 HP | - | All wheel |
Mercedes CLS 2018 3.0 AMG CLS 53 4x4
Most dynamic version - 100 km/h in 4.5 seconds |
3.0 Petrol | 435 HP | - | All wheel |