C32 AMG, C55 AMG (W203) 2001 - 2007

Supercharger question

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Old 11-15-2006, 10:53 PM
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2002 C32 ///AMG
Supercharger question

What is meant by the supercharger being an electromagnetic supercharger? Just curious as to how the beast functions......

Also on this subject, at what throttle position does the supercharger normally kick in? Does it only operate at 1/2 to full throttle or less?

Last edited by hkycoldrct; 11-15-2006 at 10:57 PM.
Old 11-15-2006, 11:11 PM
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E63 P30, CL500 Sport
Hope this helps...

C32Life sheds some light...

Intelligent, Electromagnetic Supercharger Activation

To achieve the greatest possible efficiency, engineers designed the supercharger to cut in via a magnetic clutch as a function of engine speed and load conditions. Jointly developed with specialists at the Japanese company IHI, the supercharger is not continuously driven. Under partial load conditions, the 3.2-litre V6 operates purely as a naturally aspirated engine. The supercharger only goes into instant action when the driver wishes to accelerate. There are many advantages to this solution: thermal efficiency, fuel consumption and noise/exhaust emissions all benefit.

The load- and rpm-dependent activation procedure is carried out by an electromagnetic coupling which obtains its control impulses directly from the newly developed, fully-electronic Bosch ME 2.8.1 engine management system. The driver feels and hears nothing of the supercharger activation. Torque build-up is extremely smooth and the supercharged V6 shows its muscle very evenly, with a surge of power already on tap from just above idle speed.
Old 11-15-2006, 11:44 PM
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LET C32 2002
Originally Posted by MB_Forever
C32Life sheds some light...

Intelligent, Electromagnetic Supercharger Activation

To achieve the greatest possible efficiency, engineers designed the supercharger to cut in via a magnetic clutch as a function of engine speed and load conditions. Jointly developed with specialists at the Japanese company IHI, the supercharger is not continuously driven. Under partial load conditions, the 3.2-litre V6 operates purely as a naturally aspirated engine. The supercharger only goes into instant action when the driver wishes to accelerate. There are many advantages to this solution: thermal efficiency, fuel consumption and noise/exhaust emissions all benefit.

The load- and rpm-dependent activation procedure is carried out by an electromagnetic coupling which obtains its control impulses directly from the newly developed, fully-electronic Bosch ME 2.8.1 engine management system. The driver feels and hears nothing of the supercharger activation. Torque build-up is extremely smooth and the supercharged V6 shows its muscle very evenly, with a surge of power already on tap from just above idle speed.
I never knew this thanks for the info!
Old 11-16-2006, 02:23 PM
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a C32 AMG & S-Works Tarmac
Originally Posted by hkycoldrct
What is meant by the supercharger being an electromagnetic supercharger? Just curious as to how the beast functions......

Also on this subject, at what throttle position does the supercharger normally kick in? Does it only operate at 1/2 to full throttle or less?
Vadim knows the exact numbers for this question, but I believe the S/C kicks in at about 2700 rpm or 44% load, whichever happens first.

Vadim...? Is this accurate?
Old 11-16-2006, 02:40 PM
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Imagine how bad gas mileage would be WITHOUT that clutch!

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