Mercedes-Benz SUV, typically from the  GL-Class, equipped with a 3.0 liter V6 turbo-diesel engine known as the "CDI" (Common Rail Direct Injection), offering strong torque and good fuel economy, known for its luxurious interior and capable handling, making it a popular choice for those seeking a high-end diesel SUV with excellent practicality. 
 
Key points about the 2008 Mercedes Benz 320 CDI:
Engine: 3.0 liter V6 turbo-diesel engine with "CDI" technology 
Power: Around 215 horsepower 
Notable features: Spacious interior, leather seats, advanced safety features, 4MATIC all-wheel drive (depending on model) 
Fuel efficiency: Considered very good for its size due to the diesel engine 
Models often associated with the "320 CDI" designation: Mercedes-Benz ML320 CDI, Mercedes-Benz GL320 CDI