Mercedes-Benz's all-new petrol and diesel engines explained

Mercedes-Benz has just unveiled a new line of engines which, according to them, are “more powerful, more economical and cleaner.” These include one diesel - a 3.0-litre inline-six " and three petrols - a 3.0-litre turbocharged inline six, a 4.0-litre twin-turbocharged V8, and a twin-turbocharged 2.0-litre four-cylinder. But don’t let the whole focus on efficiency fool you, because these engines put out some big numbers!

The V8 twin-turbo petrol - M 176

The biggest and most powerful engine - the 4.0-litre twin-turbo V8 -…