Turbocharger for Mercedes Benz E320 (2007-2009) 3.0L

Direct-Replacement Turbocharger for 2007-2009 Mercedes Benz E-Class (W211)

What it Does: The replacement turbocharger restores factory manifold boost pressure and low-end torque on the 2007-2009 Mercedes-Benz E320 by replacing worn rotating assemblies and failed electronic actuators.

The Stock Mercedes Benz E-Class VNT Actuator and Bearing Failure

The factory Garrett variable-nozzle turbocharger on the OM642 3.0L V6 diesel engine is vulnerable to chronic high-mileage failure modes. Extended oil-drain intervals and excessive crankcase vapor blow-by cause severe carbon accumulation on the internal variable vane mechanism, binding the variable-geometry turbine assembly. Furthermore, extreme exhaust heat in the engine valley degrades the factory electronic stepper actuator circuitry and drive gears, triggering limp mode, sluggish throttle response, and persistent diagnostic trouble codes such as P0299. High thermal cycles also coke the journal bearing journal and oil return ports, resulting in axial shaft play, oil seal leakage into the charge air piping, and reduced compressor efficiency.

The Engineering Solution

This replacement turbocharger assembly addresses factory wear points with a dynamically balanced rotating assembly designed for high-stress operation. Featuring a precision-machined turbine shaft, high-grade journal bearings, and reinforced thrust collars, it eliminates boost surge and shaft vibration. The unit includes a pre-calibrated electronic VNT actuator to ensure seamless pulse-width communication with the factory Bosch EDC engine control unit. Factory-matched exhaust flanges and OE-pattern coolant and oil feed ports allow direct bolt-on installation into the W211 chassis, maintaining proper transient spool response and emissions compliance.

What's Included

• 1 × Turbocharger w/Installation Accessories

Technical Specifications

Compatibility

• 2007 Mercedes-Benz E320 Bluetec 3.0L V6 Diesel
• 2008 Mercedes-Benz E320 Bluetec 3.0L V6 Diesel
• 2009 Mercedes-Benz E320 Bluetec 3.0L V6 Diesel

Frequently Asked Questions & Fitment Warnings

Does this fit the W211 E-Class?

Yes, this is a direct fit for the 2007-2009 Mercedes Benz E-Class equipped with the OM642 3.0L Bluetec diesel engine.

What critical service procedure must be completed prior to installing this turbocharger?

You must flush or replace the oil supply lines, prime the central bearing cartridge with fresh oil, and replace the engine oil and filter to prevent dry start damage.

The Mercedes Benz Precision Standard

Engineered to meet stringent European diesel tolerances, this turbocharger restores the refined power delivery, clean combustion, and diagnostic-free operation expected from your E-Class.