Can we depend on CDI BlueEFFICIENCY?

North America isn't big on diesel sedans like the E350 CDI so I can't comment on it, but reviews of the Mercedes-Benz E-Class with the E350 CDI seems pretty positive. Last I hard, it made 262bhp and 63.2kgm in the sedan and they've probably improved the engine since then.

That's the thing though, as of now it isn't confirmed for North America so the diesel can potentially work. What is 63.2kgm though, I'm unfamiliar with that unit of measure to be honest. Is that for torque or something?

That's some sort of torque unit that isn't conventionally used. Typically you'll either see Nm (newton meter) opposed to kilogram meter. Where did @X-Man get that value from?

X-Man said:

North America isn't big on diesel sedans like the E350 CDI so I can't comment on it, but reviews of the Mercedes-Benz E-Class with the E350 CDI seems pretty positive. Last I hard, it made 262bhp and 63.2kgm in the sedan and they've probably improved the engine since then.

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Car makers are always releasing freshed versions of the same engine, you see this with different versions instead of entirely new generations.

MB is also known for detuning engines down a lot, so you can bet there's a lot of potential left.

But even the cost of filling it vs gasoline is enough to get customers and that's enough for MB

You may not see high numbers out of tuning it but the way it feels and drives overall will be a world of a difference. For example, look at Renntechs GLK 350 blue efficiency tuning, you get 6hp and 12lb-ft of torque but it's the overall powerband changes that make all the difference.

It also depends on what you want, for some people just getting another 50HP and TQ more on top of the stock output is enough. Most people are like that anyways. Whenever I see someone doing cold air intake, tune, exhaust, and so on... they are often happy enough.