Mercedes-Benz E-Class engine with an integrated starter generator cutaway

What is the difference between a V6 and an inline-6 engine?

What are inline engines?

In the past, inline 6-cylinder engines were quite common, and now they are coming back especially in the modern Mercedes-Benz lineup. What are inline engines, and what is the difference between a V6 and an inline-6 engine? Mercedes-Benz of Scottsdale can provide you with some answers. Of course, if you want to check out our new Mercedes-Benz inventory here in Scottsdale, AZ by clicking the link below.

What is the layout of an inline engine?

An inline engine is simply an engine that has all its cylinders in a line. These types of engines are also referred to as straight engines since the cylinders aren’t staggered like they would be in a typical V6 engine.

What is the most common type of inline engine?

The most common type of inline engine never went out of style. That’s the 4-cylinder engine. Nearly all four-cylinder engines that you find in cars and even in motorcycles have an inline layout. Though it is possible to have a V4, they are uncommon. In fact, boxer or opposed fours, where all cylinders are horizontal with two going one way and the other two opposed going the other way are far more common.


How fast is the 2022 Mercedes-Benz CLS with a straight 6?


Advantages and disadvantages of an inline 6-cylinder engine

2022 Mercedes-Benz CLS engine

The biggest difference between an inline 6-cylinder engine and a V6 engine comes down to complexity. With a straight 6, you can cut the number of camshafts in half, the cylinder bank can be milled out of a single piece, and there is only one head. It can also be easier to cool a straight 6 engine.

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A straight 6 is also physically smaller than a V6. However, a straight 6 is usually longer than a V6 so even though a V6 is larger, there may be certain configurations in which a V6 will fit under the hood better especially when considerations for other under-the-hood components are made. Ultimately though, a V6 and a straight 6 can produce the same amount of power with the same efficiency.


What is the Mercedes-Benz integrated starter generator?