Mercedes-Benz E-Class (W212) 3.0 V6 CDI / BlueTEC 642.850 Engine for Sale
If you’re searching for a refined, torque-rich diesel engine designed for comfort and long-distance driving, the Mercedes-Benz E-Class (W212) 3.0 V6 CDI / BlueTEC with engine code 642.850 is a proven and reliable choice. Between 2009 and 2013, Mercedes-Benz used this engine across multiple E-Class variants, balancing smooth performance with efficiency and durability.
V6 Diesel Power with BlueEFFICIENCY and BlueTEC Technology
To start with, the 642.850 is part of the respected OM642 engine family. This 3.0-liter V6 turbo diesel delivers between 150 kW and 170 kW (204–231 hp) depending on configuration. As a result, the engine offers effortless acceleration, confident overtaking, and relaxed motorway cruising.
Moreover, BlueEFFICIENCY and BlueTEC technologies help reduce fuel consumption and emissions without sacrificing drivability—making this engine well suited for both private and business use.
Engine Specifications at a Glance
| Specification | Details |
|---|---|
| Engine Type | V6, turbocharged diesel |
| Displacement | 3.0 liters (2987 cc) |
| Power Output | 150–170 kW (204–231 hp) |
| Fuel Type | Diesel |
| Engine Code | 642.850 |
| Engine Family | OM642 |
| Injection System | Common rail direct injection |
| Emissions Tech | BlueEFFICIENCY / BlueTEC |
Smooth and Confident Driving Experience
Next, when paired with Mercedes automatic transmissions, the 642.850 delivers seamless power delivery and excellent refinement. Torque arrives early, which makes city driving easy, while long-distance journeys feel calm and stable. In addition, the V6 configuration minimizes vibration and noise, reinforcing the premium feel of the E-Class.
Estate (-T) versions benefit from the same smooth power even under load, making them ideal for family or business use.
Proven Reliability and Strong Market Demand
Because Mercedes engineered the OM642 platform for high mileage and durability, the 642.850 has built a solid reputation over the years. At the same time, balanced fuel consumption for its output keeps running costs reasonable. Consequently, this engine remains in strong demand for engine replacements, export, and resale.
Compatible Mercedes-Benz Models
| Mercedes-Benz Model | Engine Code | Displacement | Power | Model Years |
|---|---|---|---|---|
| E-Class (W212) 300 CDI BlueEFF | 642.850 | 2987 cc | 170 kW | 2011 |
| E-Class (W212) 300 CDI BlueEFF / -T | 642.850 | 2987 cc | 150 kW | 2009–2010 |
| E-Class (W212) 350 BlueTEC / -T | 642.850 | 2987 cc | 155 kW | 2009–2013 |
| E-Class (W212) 350 CDI BlueEFF / -T | 642.850 | 2987 cc | 170 kW | 2009–2010 |
Why Choose the Mercedes-Benz 642.850 Engine?
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Smooth V6 diesel performance
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Power outputs up to 170 kW (231 hp)
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Proven OM642 reliability
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BlueEFFICIENCY / BlueTEC emissions technology
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Excellent option for premium replacements and export
Refined Diesel Power for the E-Class
In conclusion, the Mercedes-Benz 3.0 V6 CDI 642.850 engine delivers the comfort, durability, and performance expected from the E-Class. Whether you’re replacing an engine in a W212 sedan or estate, this powertrain offers dependable performance backed by classic Mercedes-Benz engineering.










