Mercedes CLS 2021 AMG CLS 53 (C257)

Mercedes CLS 2021 3.0 petrol description

Coupe Mercedes CLS 2021 AMG CLS 53 has been produced from 2021 to 2023. It has six-cylinder petrol engine with displacement of 3.0 litres, which produces power of 435 horsepower on 5500 rpm - this is the most powerfull Mercedes CLS 2021 - 2023 version and torque 520 Nm (Newton metres) on 1800 revolutions per minute. It is an MHEV (Mild Hybrid) hybrid vehicle, with electric motor that assists the internal combustion engine, however, the car cannot run on electric power alone, and the battery is charged while driving (external charging is not available).

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 eZV turbine. The engine meets the Euro 6 emissions standard. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 210 000 and 360 000 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 3.0 engine oil type is 5W-30 and oil capacity is 6.5 litres.

Mercedes CLS 2021 AMG CLS 53 has all four wheel drive (AWD, 4x4) and automatic gearbox with 9 gears.
Mercedes CLS 2021 AMG CLS 53 accelerates to speed 100 kilometres per hour in 4.5 seconds. The maximum speed of this car is 250 km/h.

In combined cycle (city and motorway), the Mercedes CLS 2021 AMG CLS 53 fuel consumption is 9.6 litres per 100km (10.4 km/l), fuel consumption in city - 11.9 l/100km, highway fuel economy - 7.3 l/100km. Fuel tank capacity is 66 litres or 17.44 gallons, which gives a mileage up to 680 kilometers without refueling in urban cycle and even up to 900 kilometers on highway.

Mercedes CLS 2021

Mercedes CLS 2021 AMG CLS 53 technical data

Model: Mercedes CLS AMG CLS 53
Body style: Coupe
Production period: 2021. January ... 2023. December 
Engine: 2999 cm3 Petrol, 6 cylinders CO2 emissions: no data
Power: 435 HP ON 5500 RPM Torque: 520 NM ON 1800 RPM
Gearbox: Automatic gearbox (9 gears) Drive type: All wheel drive (AWD, 4x4)
Top speed: 250 km/h Acceleration 0-100 km/h: 4.5 seconds
Fuel consumption (l/100km): 9.6 (combined) 11.9 (urban) 7.3 (highway)
Battery capacity: 0.9 kWh (total)
Fuel tank capacity: 66 litres (17.4 gallons)
Car dimensions: 5.01m (length) 1.90m (width) 1.42m (height)
Turning diameter: 12.5 meters
Seats: 5 seats
Gross weight: 2550 kg Net weight: 1910 kg Load capacity: 640 kg

Mercedes CLS 2021 AMG CLS 53 engine M256 E30 DEH LA G

Engine reliability:

Overall, this engine can last around 210,000 to 360,000 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
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 2021 AMG CLS 53 oil type 5W-30
Oil capacity 6.5 litres (6.9 quarts)
Coolant capacity 14 litres (14.8 quarts)
Power 435 HP ON 5500 RPM
Torque 520 NM ON 1800 RPM
Start of production (year) 2017
Duration of production 9 years
Engine also used on Mercedes E klase

All Mercedes CLS coupe [2021 - 2023] modifications

Modification Engine Power Consumption Drive type
Mercedes CLS 2021 2.0 CLS 220 d

Most fuel efficient diesel version

2.0 Diesel 194 HP 5.1 l/100km Rear wheel
Mercedes CLS 2021 2.0 CLS 300 d 4x4 2.0 Diesel
MHEV hybrid engine
265 HP 5.8 l/100km All wheel
Mercedes CLS 2021 2.9 CLS 400 d 4x4

Most powerfull diesel version (330 HP)

2.9 Diesel 330 HP 6.5 l/100km All wheel
Mercedes CLS 2021 3.0 CLS 450 4x4

Most fuel efficient petrol version

3.0 Petrol
MHEV hybrid engine
367 HP 8.5 l/100km All wheel
Mercedes CLS 2021 3.0 AMG CLS 53 4x4

Most dynamic version - 100 km/h in 4.5 seconds

3.0 Petrol
MHEV hybrid engine
435 HP 9.6 l/100km All wheel
Mercedes CLS 2021 reviews
Alfa Romeo Audi BMW Chevrolet Chrysler Citroen Cupra Dacia Dodge Fiat Ford Honda Hyundai Infiniti Isuzu Jaguar Jeep Kia Lada (VAZ) Land Rover Lexus Mazda Mercedes Mini Mitsubishi Moskvich Nissan Opel Peugeot Porsche Renault Rover SAAB Seat Skoda Smart Subaru Suzuki Tesla Toyota Volkswagen Volvo
Contact us: info@auto-abc.lv