For Benz 3.0T GL X164 GL350 CDI 4MATIC OM642.820 7A/MT gasoline engine
The Mercedes-Benz OM642.820 is a 3.0-liter (2,987 cc) 72° V6 turbocharged diesel engine, commonly found in the 2009 through 2016 model years of the Mercedes-Benz ML350 CDI, GL350, and R350 CDI (W164/X164/W166) vehicles. Featuring an all-aluminum construction, common-rail direct injection, and variable-geometry turbocharging technology, this engine delivers an output of 155–195 kW (211–261 hp) and is characterized by its robust, high-torque output capabilities.
Description
Key Technical Specifications of the OM642.820:
Engine Type: V6 Diesel Engine (72-degree V-angle)
Displacement: 3.0 L (2,987 cc)
Valve Train: DOHC (Dual Overhead Camshafts), 4 valves per cylinder (24 valves total)
Material: Aluminum Alloy Block and Cylinder Heads
Bore x Stroke: 83 mm x 92 mm
Compression Ratio: 18.0:1
Fuel System: Common Rail Direct Injection
Turbocharger: Variable Geometry Turbo (VGT)
Power Output: Approx. 155 kW – 195 kW (approx. 210 – 260 hp); specific figures vary by model year and variant
Torque Output: Up to 540 – 620 N·m (398 – 457 lb·ft)
