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Does GLE450 engine have supercharger?

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Old Aug 17, 2019 | 08:34 PM
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From: Rose Creek Golf Club, Edmond, OK
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Does GLE450 engine have supercharger?

I read an article few months ago about the new Mercedes inline-6 engines. It mentioned that in addition to the turbocharger, these engines also have an electrically-powered supercharger, which powers up in nanoseconds to fill in any lag while the turbocharger spools up. I don't find any mention of this on the mbusa site nor on the DOG.

Do these engines have a true supercharger, which compresses intake air, just like a turbocharger? Or was the writer confused about the EQ-Boost feature?

Last edited by BobbyT; Aug 17, 2019 at 09:12 PM.
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Old Aug 17, 2019 | 09:20 PM
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From: Rose Creek Golf Club, Edmond, OK
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I found some more information:

EQ Boost uses an integrated starter generator, mounted between the engine and the transmission, that combines a starter motor, an alternator, and an electric motor. It serves several functions:
  • Powers an electric auxiliary compressor to virtually eliminate turbo lag, its internal fan spooling to 70,000 revs in a third of a second, supplying eight pounds of boost to either the exhaust-gas-driven turbocharger or directly to the engine
Full article here:

https://ride.tech/electric-and-hybri...benz-eq-boost/
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Old Aug 17, 2019 | 10:24 PM
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Originally Posted by BobbyT
I read an article few months ago about the new Mercedes inline-6 engines. It mentioned that in addition to the turbocharger, these engines also have an electrically-powered supercharger, which powers up in nanoseconds to fill in any lag while the turbocharger spools up. I don't find any mention of this on the mbusa site nor on the DOG.

Do these engines have a true supercharger, which compresses intake air, just like a turbocharger? Or was the writer confused about the EQ-Boost feature?
That will be the AMG 53 with the Electric Supercharger.
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Old Aug 18, 2019 | 12:24 AM
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Thanks, Ron.s That must be part of the extra power the AMG 53 has.
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Old Aug 18, 2019 | 08:26 AM
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Test drive the CLS 450 and CLS 53 to contrast the difference. It's significant, if that's important to you. Wasn't for me (but still waiting for my SUV to finish production)

Originally Posted by Ron.s
That will be the AMG 53 with the Electric Supercharger.
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