Mercedes B 200 2014 CDI (W246)
Mercedes B class 2014 2.1 diesel description
Minivan / MPV Mercedes B 200 2014 CDI has been produced from 2014 to 2018. It has four-cylinder diesel engine with displacement of 2.1 litres, which produces power of 136 horsepower on 3200 rpm and torque 300 Nm (Newton metres) on 1400 revolutions per minute.
This 4-cylinder 16-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has Common Rail fuel system and IHI / BorgWarner turbine. Engine versions compliant with Euro 5 and Euro 6 emission standards available. Engine lifespan (mileage before major repairs or overhaul) can last from 250 up to 420 thousand 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
The Mercedes-Benz OM651 is a 1.8–2.2-liter diesel engine used in models such as the 180 CDI and 200 CDI. It is known for good efficiency and strong durability, and well-maintained engines often exceed 400,000–500,000 km. The design includes a cast-iron cylinder block, an aluminum ...
This Mercedes B class 2.1 engine oil type is 5W-30, 5W-40 and oil capacity is 7.2 litres.
Mercedes B 200 2014 CDI has front wheel drive (FWD) and manual gearbox with 6 gears.
Mercedes B 200 2014 CDI accelerates to speed 100 kilometres per hour in 9.9 seconds. The maximum speed of this car is 210 km/h.
Mercedes B 200 2014 CDI fuel consumption is 4.3 litres per 100km in combined city/highway mode (23.3 km/l), fuel consumption in city - 5.4 l/100km, highway fuel economy - 3.6 l/100km. Fuel tank capacity is 50 litres or 13.21 gallons, which gives a mileage up to 1160 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 6 litres per 100 km, which is 40% more than the manufacturer's stated. More - Real Mercedes B class fuel consumption.
Mercedes B class safety
During safety testing Mercedes B class has obtained 5 stars from five, which means very high safety level.
Adults (driver and passenger) safety of Mercedes B class is evaluated with outstanding rate 96 from 100, children safety: very good mark - 90 from 100, for pedestrian protection Mercedes B class got 78 points from 100.
Mercedes B class safety equipment has been rated as good - 75 percents from 100.
- Mercedes B 200 2014 CDI Automatic AT manufacturer's fuel consumption is lower by 0.3 litres per 100 km or 7 % - 4.0 litres per 100 km, whereas users reported real fuel consumption is higher by 0.2 litres per 100 km or 3 % - 6.2 litres per 100 km
- Mercedes B 200 CDI AT 4x4 manufacturer's fuel consumption is higher by 0.7 litres per 100 km or 16 % - 5.0 litres per 100 km
Mercedes B 200 2014 CDI technical data
| Model: | Mercedes B 200 2014 CDI | ||
|---|---|---|---|
| Body style: | Minivan / MPV | ||
| Production period: | 2014. January ... 2018. December | ||
| Engine: | 2143 cm3 Diesel, 4 cylinders | CO2 emissions: | 111 g/km |
| Power: | 136 HP ON 3200 RPM | Torque: | 300 NM ON 1400 RPM |
| Gearbox: | Manual gearbox (6 gears) | Drive type: | Front wheel drive (FWD) |
| Top speed: | 210 km/h | Acceleration 0-100 km/h: | 9.9 seconds |
| Fuel consumption (l/100km): | 4.3 (combined) 5.4 (urban) 3.6 (highway) | ||
| Real fuel consumption: | 6 l/100km (39.2 MPG) by user reviews from various sources | ||
| Fuel tank capacity: | 50 litres (13.2 gallons) | ||
| Car dimensions: | 4.39m (length) 1.79m (width) 1.56m (height) | ||
| Turning diameter: | 11 meters | ||
| Ground clearance: | 98 mm (approximate, with standard suspension, unladen vehicle) | ||
| Seats: | 5 seats | ||
| Trunk capacity: | 488 litres | ||
| Trunk max capacity: | 1547 litres (with rear seats folded down) | ||
| Gross weight: | 2025 kg | ||
Mercedes B 200 2014 CDI engine OM651 180/200 CDI red
Engine reliability and common problems:
The Mercedes-Benz OM651 is a 1.8–2.2-liter diesel engine used in models such as the 180 CDI and 200 CDI. It is known for good efficiency and strong durability, and well-maintained engines often exceed 400,000–500,000 km. The design includes a cast-iron cylinder block, an aluminum 16-valve cylinder head with hydraulic lifters, and a combined timing drive that uses a chain together with gears and balance shafts. Simpler versions use an IHI variable-geometry turbocharger, while more powerful variants are equipped with a BorgWarner twin-turbo system. Despite its good reputation, the engine also has several well-known weaknesses.One of the most serious problems involves bearing damage caused by overheating of the engine oil. If the oil cooler becomes clogged, the oil temperature rises and its lubricating properties deteriorate, which can lead to oil starvation and bearing failure. Because of this, the oil cooler is often recommended to be cleaned or replaced preventively around every 100,000 km.
The timing chain itself is usually quite durable and may last up to 300,000 km, but the hydraulic chain tensioner can wear out much earlier. When this happens the chain begins to rattle, and replacing the tensioner can require significant labor. The fuel system has also caused trouble, particularly in early engines. Versions produced before 2011 used Delphi piezo injectors that were prone to failure and in some cases caused severe engine damage. Later engines switched to electromagnetic injectors, which proved more reliable.
Another known weak point is the plastic intake manifold. After high mileage it can crack, allowing air leaks and triggering engine fault codes. Injectors may also seize in the cylinder head due to carbon buildup, which can make removal extremely difficult during repairs.
The cooling system includes a complex thermostat and pump arrangement with a vacuum actuator. When this mechanism fails, the engine may take too long to warm up or, in some cases, run hotter than intended. Additional issues occasionally reported include oil leaks, as well as clogging of the EGR system and diesel particulate filter.
Despite these shortcomings, the OM651 remains a capable and long-lasting diesel engine when maintained carefully. Regular oil changes with high-quality oil, monitoring the oil cooler condition, and proper servicing of the fuel system are essential for ensuring long-term reliability.
Overall, this engine can last around 250,000 to 420,000 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 | 2143 cm3 |
|---|---|
| Number of cylinders | 4 |
| Bore (cylinder diameter) | 83 mm |
| Stroke length (piston move) | 99 mm |
| Compression ratio | 16.2 : 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. More service info |
| Timing chain change interval | 250,000 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 B 200 2014 CDI oil type | 5W-30, 5W-40 |
| Oil capacity | 7.2 litres (7.6 quarts) More service info |
| Coolant capacity | 9.5 litres (10 quarts) |
| Power | 95 - 143 HP ON 3200 RPM |
| Torque | 250 - 360 NM ON 1400 RPM |
| Start of production (year) | 2010 |
| Duration of production | 16 years |
| Engine also used on | Mercedes C klase Mercedes E klase Mercedes A klase and 5 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 B class minivan [2014 - 2018] modifications
| Modification | Engine | Power | Consumption | Gearbox | Drive type |
|---|---|---|---|---|---|
| Mercedes B 160 2014 CDI | 1.5 Diesel | 90 HP | 4.1 l/100km | Manual (6) | Front wheel |
|
Mercedes B 160 2014 CDI Automatic
Most fuel efficient diesel version |
1.5 Diesel | 90 HP | 3.7 l/100km | Automatic (7) | Front wheel |
|
Mercedes B 180 2014 CDI
Most fuel efficient diesel version by real consumption |
1.5 Diesel | 109 HP | 4.1 l/100km | Manual (6) | Front wheel |
|
Mercedes B 180 2014 CDI Automatic
Most fuel efficient diesel version |
1.5 Diesel | 109 HP | 3.7 l/100km | Automatic (7) | Front wheel |
|
Mercedes B 180 2014 BlueEFFICIENCY
Most fuel efficient petrol version |
1.6 Petrol | 122 HP | 5.2 l/100km | Manual (6) | Front wheel |
| Mercedes B 180 2014 | 1.6 Petrol | 122 HP | 5.4 l/100km | Automatic (7) | Front wheel |
| Mercedes B 200 2014 | 1.6 Petrol | 156 HP | 5.6 l/100km | Manual (6) | Front wheel |
| Mercedes B 200 2014 Automatic | 1.6 Petrol | 156 HP | 5.4 l/100km | Automatic (7) | Front wheel |
| Mercedes B 220 2014 4MATIC 4x4 | 2.0 Petrol | 184 HP | 6.5 l/100km | Automatic (7) | All wheel |
|
Mercedes B 250 2014
Most powerfull petrol version (211 HP) |
2.0 Petrol | 211 HP | 6.1 l/100km | Automatic (7) | Front wheel |
|
Mercedes B 250 2014 4MATIC 4x4
Most dynamic version - 100 km/h in 6.7 seconds |
2.0 Petrol | 211 HP | 6.6 l/100km | Automatic (7) | All wheel |
| Mercedes B 200 2014 CDI | 2.1 Diesel | 136 HP | 4.3 l/100km | Manual (6) | Front wheel |
| Mercedes B 200 2014 CDI Automatic | 2.1 Diesel | 136 HP | 4.0 l/100km | Automatic (7) | Front wheel |
| Mercedes B 200 CDI 4x4 | 2.1 Diesel | 136 HP | 5.0 l/100km | Automatic (7) | All wheel |
|
Mercedes B 220 2014 CDI
Most powerfull diesel version (177 HP) |
2.1 Diesel | 177 HP | 4.1 l/100km | Automatic (7) | Front wheel |
|
Mercedes B 220 CDI 4x4
Most powerfull diesel version (177 HP) |
2.1 Diesel | 177 HP | 5.0 l/100km | Automatic (7) | All wheel |