The W212 generation (2009) E-Class customers could be had with a 1.8-litre turbocharged four-cylinder, 3.0-litre and 3.5-litre six-cylinder, 4.7-litre turbocharged, 5.5-litre naturally-aspirated and twin-turbocharged eight-cylinder petrol engines and 2.1-litre turbocharged and twin-turbocharged four-cylinder and 3.0-litre turbocharged six-cylinder diesel engines.
The E63 AMG variant used a 6.2-litre eight-cylinder petrol engine.
"It's an E-Class with a 3.0-litre V6 diesel."
The W212 (2009-) generation is/was available with 2.1-litre four- and 3.0-litre six-cylinder turbo diesel and 1.8-litre turbo four-cylinder, 3.0- and 3.5-litre six-cylinder, 4.7- and 5.5-litre twin-turbocharged and 5.5-litre naturally aspirated eight-cylinder petrol engines.
The E63 AMG is/was available with a 6.2-litre naturally aspirated petrol engine or a 5.5-litre twin-turbocharged V8 petrol engine.
For more information, see Wikipedia.
B: "I have a 3.5-litre V6 petrol."