2012 E550 4Matic, Sleeper?

Hammer Down · 02-04-2012, 09:33 PM

Looking to replace the wife's 2009 E with a 2012 E and I noticed that the only way to order an E550 is to get it with a 4matic 4.6TT with 402hp 443tq. I wonder what type of performance gains can be had with this sleeper?

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nanayaw6 · 02-04-2012, 09:40 PM

Tune that b1tch and I have little doubt it will put out near-stock-E55 power levels but with the benefit of 4matic.

lowprofile · 02-04-2012, 09:55 PM

Great choice. Let us hear your review after you get some miles on her.

Jakpro1 · 02-04-2012, 10:01 PM

Maybe worth a call to renntech to see if they have tweaked the smaller v8 yet?

Let us know buddy. I bet there is plenty of hp left to tune out of it!!!

RedBullJnky · 02-04-2012, 11:33 PM

Quote:

Originally Posted by Jakpro1

Maybe worth a call to renntech to see if they have tweaked the smaller v8 yet?

Let us know buddy. I bet there is plenty of hp left to tune out of it!!!

I believe they get the same amount of gains as the 63. It won't add up to the same amount of hp the 63 has. It it's still a nice jump.

I ran a S 550 4matic 4.4tt at PBIR last week and it ran 12.5. He was tuned.

AKnight55 · 02-04-2012, 11:35 PM

Quote:

Originally Posted by RedBullJnky

I believe they get the same amount of gains as the 63. It won't add up to the same amount of hp the 63 has. It it's still a nice jump.

I ran a S 550 4matic 4.4tt at PBIR last week and it ran 12.5. He was tuned.

Not bad considering the weight.. The E is a few hundred pounds light too

RedBullJnky · 02-04-2012, 11:39 PM

Quote:

Originally Posted by AKnight55

Not bad considering the weight.. The E is a few hundred pounds light too

Yes it is. Saw this bad boy at the stadium.

I want this one.

justinwrock · 02-04-2012, 11:40 PM

Curious, Does it come equipped with a 7 speed?

Hammer Down · 02-05-2012, 01:46 AM

Quote:

Originally Posted by justinwrock

Curious, Does it come equipped with a 7 speed?

Yes it does

BBBSS · 02-05-2012, 02:17 AM

I'd look into how easily Mercedes can detect that you've put a tune on it. I know the domestics have really cracked down on the newer computers and have set it up where they can tell if the tune was changed even if you put it back to stock before taking it to the dealer. Would hate to void the warranty on a new E550!

A possible workaround if Mercedes is indeed doing this is to buy a second computer and tune that and swap em. This may present several problems in and of itself though. Worked on my old TrailBlazer SS though. Definitely something to look into before throwing a tune at it.

02Drunkenup · 02-05-2012, 01:53 PM

Quote:

Originally Posted by Jakpro1

Maybe worth a call to renntech to see if they have tweaked the smaller v8 yet?

Let us know buddy. I bet there is plenty of hp left to tune out of it!!!

they have.

Quote:

CLS 550 (C218) Stock Performance:
402 HP @ 5000 RPM; 443 LB-FT @ 1800 RPM
Note: Mercedes M278 engine performance when measured obtains higher numbers that rated from factory.
Modified Performance:
530 HP @ 4900 RPM; 606 LB-FT @ 4100 RPM
+70 HP and +80 Torque over measured performance

http://www.renntechmercedes.com/www/node/657

AKnight55 · 02-05-2012, 02:11 PM

Quote:

Originally Posted by 02Drunkenup

they have.

http://www.renntechmercedes.com/www/node/657

Those are some very impressive numbers indeed.

02-04-2012, 09:40 PM	#2
nanayaw6 Super Member Garage is empty, add now Join Date: Mar 2009 Location: Alpharetta Georgia Posts: 668 Drives: 2006 E55	Tune that b1tch and I have little doubt it will put out near-stock-E55 power levels but with the benefit of 4matic. __________________ "TOD" : Torque On Demand!!! ..

02-04-2012, 09:55 PM	#3
lowprofile Super Member Garage is empty, add now Join Date: Apr 2009 Posts: 969 Drives: E55	Great choice. Let us hear your review after you get some miles on her. __________________ *10.59 @ 130.97 ..... "No Excuses"*

02-04-2012, 10:01 PM	#4
Jakpro1 MBWorld Fanatic! Garage is empty, add now Join Date: Jan 2004 Location: Salt Lake City (but not Morm) Posts: 6,982 Drives: 2003 E55	Maybe worth a call to renntech to see if they have tweaked the smaller v8 yet? Let us know buddy. I bet there is plenty of hp left to tune out of it!!! __________________ __________________________________________________ _______________________

02-04-2012, 11:40 PM	#8
justinwrock Super Member Garage is empty, add now Join Date: Sep 2005 Location: Sacramento, CA Posts: 833 Drives: slow	Curious, Does it come equipped with a 7 speed? __________________ Kleemann 168MM Pulley FS

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02-05-2012, 02:17 AM	#10
BBBSS Super Member Garage is empty, add now Join Date: Oct 2011 Location: Chicago Posts: 516 Drives: 03 E55 AMG, 06 Harley Road King Custom 99 Ram 3500 Cummins, 97 Firebird Race Car, 88 Cutlass Project	I'd look into how easily Mercedes can detect that you've put a tune on it. I know the domestics have really cracked down on the newer computers and have set it up where they can tell if the tune was changed even if you put it back to stock before taking it to the dealer. Would hate to void the warranty on a new E550! A possible workaround if Mercedes is indeed doing this is to buy a second computer and tune that and swap em. This may present several problems in and of itself though. Worked on my old TrailBlazer SS though. Definitely something to look into before throwing a tune at it.

02-05-2012, 02:11 PM
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