Mercedes S 320 2005 CDI Long

Mercedes S class 2005 3.0 diesel description

Sedan Mercedes S 320 2005 CDI Long has been produced from December, 2005 to September, 2008. It has six-cylinder diesel engine with displacement of 3.0 litres, which produces power of 235 horsepower on 3800 rpm and torque 540 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 Common Rail fuel system, it has no turbine. Engine versions compliant with Euro 5 and Euro 6 emission standards available.
More engine specs 
This Mercedes S class 3.0 engine oil type is 5W-30, MB 228.51/229.51 and oil capacity is 8.8 litres.

Mercedes S 320 2005 CDI Long has classical rear wheel drive (RWD) and automatic gearbox with 7 gears.
Mercedes S 320 2005 CDI Long accelerates to speed 100 kilometres per hour in 7.5 seconds. The maximum speed of this car is 250 km/h.

In combined cycle (city and motorway), the Mercedes S 320 2005 CDI Long fuel consumption is 8.4 litres per 100km (11.9 km/l) - this is one of most fuel efficient Mercedes S klase 2005 - 2009 versions, fuel consumption in city - 11.7 l/100km, highway fuel economy - 6.5 l/100km. Fuel tank capacity is 90 litres or 23.78 gallons, which gives a mileage up to 1060 kilometers without refueling in urban cycle and even up to 1380 kilometers on highway.
According to user reviews, this Mercedes real everyday fuel consumption is 10 litres per 100 km, which is 19% more than the manufacturer's stated. More - Real Mercedes S class fuel consumption.

With the same engine there are also two other Mercedes S class versions - with four wheel (4x4) drive and automatic gearbox (Mercedes S 320 2006 CDI 4Matic AT 4x4), and with four wheel (4x4) drive and automatic gearbox (Mercedes S 320 2006 CDI 4Matic Long AT 4x4) available:
  • Mercedes S 320 2006 CDI 4Matic AT 4x4 is more sluggish, reaching 100 km/h 0.3 seconds later (in 7.8 seconds), but manufacturer's fuel consumption is higher by 0.3 litres per 100 km or 4 % - 8.7 litres per 100 km, whereas users reported real fuel consumption is lower by 0.4 litres per 100 km or 4 % - 9.6 litres per 100 km
  • Mercedes S 320 2006 CDI 4Matic Long AT 4x4 is more sluggish, reaching 100 km/h 0.3 seconds later (in 7.8 seconds), but manufacturer's fuel consumption is higher by 0.5 litres per 100 km or 6 % - 8.9 litres per 100 km, whereas users reported real fuel consumption is lower by 0.3 litres per 100 km or 3 % - 9.7 litres per 100 km
Mercedes S class 3.0 service information and maintenance intervals Oil change intervals, capacities and specifications, service information for filters, spark plugs, belts etc.
Mercedes S class 2005

Mercedes S 320 2005 CDI Long technical data

Model: Mercedes S 320 2005 CDI Long
Body style: Sedan
Production period: 2005. December ... 2008. September 
Engine: 2987 cm3 Diesel, 6 cylinders CO2 emissions: 223 g/km
Power: 235 HP ON 3800 RPM Torque: 540 NM ON 1600 RPM
Gearbox: Automatic gearbox (7 gears) Drive type: Rear wheel drive (RWD)
Top speed: 250 km/h Acceleration 0-100 km/h: 7.5 seconds
Fuel consumption (l/100km): 8.4 (combined) 11.7 (urban) 6.5 (highway)
Real fuel consumption: 10 l/100km (23.5 MPG) by user reviews from various sources
Fuel tank capacity: 90 litres (23.8 gallons)
Car dimensions: 5.21m (length) 1.87m (width) 1.47m (height)
Turning diameter: 12 meters
Trunk capacity: 560 litres
Gross weight: 2580 kg

Mercedes S 320 2005 CDI Long engine OM642 350 CDI

Engine displacement 2987 cm3
Number of cylinders 6
Bore (cylinder diameter) 83 mm
Stroke length (piston move) 92 mm
Compression ratio 18 : 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 400,000 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 S 320 2005 CDI Long oil type 5W-30, MB 228.51/229.51
Oil capacity 8.8 litres (9.3 quarts) More service info
Power 231 - 265 HP ON 3800 RPM
Torque 540 - 620 NM ON 1600 RPM
Start of production (year) 2005
Duration of production 19 years
Engine also used on Mercedes C klase Mercedes E klase Mercedes ML and 6 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.

All Mercedes S class sedan [2005 - 2009] modifications

Modification Engine Power Consumption Drive type
Mercedes S 320 2005 CDI Dec 2005 — Sep 2008

Most fuel efficient diesel version

3.0 Diesel 235 HP 8.3 l/100km Rear wheel
Mercedes S 320 2005 CDI Long Dec 2005 — Sep 2008 3.0 Diesel 235 HP 8.4 l/100km Rear wheel
Mercedes S 320 2006 CDI 4Matic 4x4 Sep 2006 — Jan 2009

Most fuel efficient diesel version by real consumption

3.0 Diesel 235 HP 8.7 l/100km All wheel
Mercedes S 320 2006 CDI 4Matic Long 4x4 Sep 2006 — Jan 2009 3.0 Diesel 235 HP 8.9 l/100km All wheel
Mercedes S 350 2005

Most fuel efficient petrol version

3.5 Petrol 272 HP 10.1 l/100km Rear wheel
Mercedes S 350 2005 Long

Most fuel efficient petrol version

3.5 Petrol 272 HP 10.1 l/100km Rear wheel
Mercedes S 420 2006 CDI Sep 2006 — Jan 2009

Most powerfull diesel version (320 HP)

4.0 Diesel 320 HP 9.4 l/100km Rear wheel
Mercedes S 420 2006 CDI Long Sep 2006 — Jan 2009

Most powerfull diesel version (320 HP)

4.0 Diesel 320 HP 9.6 l/100km Rear wheel
Mercedes S 450 2006 Jul 2006 — Jan 2009 4.7 Petrol 340 HP 11.2 l/100km Rear wheel
Mercedes S 450 2006 Lang Jul 2006 — Jan 2009 4.7 Petrol 340 HP 11.0 l/100km Rear wheel
Mercedes S 450 2006 4Matic 4x4 Jul 2006 — Jan 2009 4.7 Petrol 340 HP 12.0 l/100km All wheel
Mercedes S 450 2006 4Matic Long 4x4 Jul 2006 — Jan 2009 4.7 Petrol 340 HP 11.7 l/100km All wheel
Mercedes S 500 2005 5.5 Petrol 388 HP 12.0 l/100km Rear wheel
Mercedes S 500 2005 Long 5.5 Petrol 388 HP 12.0 l/100km Rear wheel
Mercedes S 500 2006 4Matic 4x4 Jul 2006 — Jan 2009 5.5 Petrol 388 HP 12.0 l/100km All wheel
Mercedes S 500 2006 4Matic 4x4 Jul 2006 — Jan 2009 5.5 Petrol 388 HP 12.1 l/100km All wheel
Mercedes S 500 2006 4Matic Long 4x4 Jul 2006 — Jan 2009 5.5 Petrol 388 HP 12.0 l/100km All wheel
Mercedes S 600 2005 Long Dec 2005 — Jan 2009 5.5 Petrol 517 HP 14.0 l/100km Rear wheel
Mercedes S 65 2006 AMG Long Jun 2006 — Jan 2009

Most dynamic version - 100 km/h in 4.4 seconds

6.0 Petrol 612 HP 15.0 l/100km Rear wheel
Mercedes S 63 2006 AMG Nov 2006 — Jan 2009 6.2 Petrol 525 HP 15.0 l/100km Rear wheel
Mercedes S 63 2006 AMG Long Nov 2006 — Jan 2009 6.2 Petrol 525 HP 15.0 l/100km Rear wheel
Mercedes S class 2005 reviews
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