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I regret we don't have an application for this car. I cannot be 100% sure, since we don't have complete access to Mercedes EPC datacards for this car. But it seems that you have an early model version, which has driveshafts with CV joints at each end. The later model comes with a one-piece shaft, with no bolted input shaft flange on the final drive. It could be worth you checking, though.
Attached is a pic of the two arrangements.
If you have item 6, then I think we can help further.
Regards, Kevin Bird
James Bird <James.Bird@birdsauto.com>
Kevin Bird <kevin.bird@birdsauto.com>
___________________
i asked my friend that owns southbay autohause, very reputable guy he is the official guy for M-FEST and one of the premier MB AMG guys in the states. He said that it wuldnt work also my idea of running a 320 diff with the 55 motor and trans because you will get speed sensor errors. so there will be alot of slipping and errors. sorry brother, i was hoping for the opposite news of what i got from him but i gues it is what it is.
Ash is correct. If you want quicker response you should go to an even higher gear ratio than the oem on your 320. remember the 4.11:1 that came out on the camaros in the 70s? The ratio means that the pinion gear must make 4.11 revolutions to turn the idler gear 1 revolution. They were great in the 1/4 mile but not so great at top speed. You would have even more top end with the Quaife(if it will work)but slower off the line. So if the Quaife is the same ratio as the oem 55 you will be moving in the wrong direction IMHO.
The Aftermarket diff was for a C32 V6 so thought it would work from mine as well. Not to mention I've been thinking about doing an engine swap with a C32 or SLK32 Kompressor engine. I was also looking for a solution to stop my traction light from going off every time I hit the gas. All of my performance mods allows me to easily spin the tires so I was wanting something that would allow better traction and evenly distribute power to both wheels with a LSD.
Thanks for the Information boss.
Last edited by Williams707; Dec 14, 2010 at 10:44 PM.
The Aftermarket diff was for a C32 V6 so thought it would work from mine as well. Not to mention I've been thinking about doing an engine swap with a C32 or SLK32 Kompressor engine. I was also looking for a solution to stop my traction light from going off every time I hit the gas. All of my performance mods allows me to easily spin the tires so I was wanting something that would allow better traction and evenly distribute power to both wheels with a LSD.
Thanks for the Information boss.
Once you go to the C32 it might work for you, I know it will be a plug and play as far as the install goes, you just have to check and see if the C32's drive shaft is a 4 bolt connection point on each side or 3 bolt connection on each side, because if it is a 4 bolt then you have to change your drive shaft and the center support bearing as well as the flex discs to be able to use the quaife. the CLK 320 and then 430s are 3 point connect on each side but the CLK 55 s a 4 point connect so in order to run the 55 diff i have to change the drive shaft too. you can skip all that if you plan on sticking with the 320 diff instead of the quaife or the c32(of course given that the C32 diff is a 4 bolt connection). sorry if i was confusing, you can skype me and i'll explain more in details.
The Aftermarket diff was for a C32 V6 so thought it would work from mine as well. Not to mention I've been thinking about doing an engine swap with a C32 or SLK32 Kompressor engine. I was also looking for a solution to stop my traction light from going off every time I hit the gas. All of my performance mods allows me to easily spin the tires so I was wanting something that would allow better traction and evenly distribute power to both wheels with a LSD.
Thanks for the Information boss.
My mistake I ***-U-MED the Quaife was for a 55. Cool! So it may work.
i asked my friend that owns southbay autohause, very reputable guy he is the official guy for M-FEST and one of the premier MB AMG guys in the states. He said that it wuldnt work also my idea of running a 320 diff with the 55 motor and trans because you will get speed sensor errors. so there will be alot of slipping and errors. sorry brother, i was hoping for the opposite news of what i got from him but i gues it is what it is.
Hey Ash.. try running that by your friend again. I could be wrong, but it's my understanding the only speed reading for the traction control is off the wheels so the drivetrain wont come into play.
Hey Ash.. try running that by your friend again. I could be wrong, but it's my understanding the only speed reading for the traction control is off the wheels so the drivetrain wont come into play.
Thats what i tought too but he said that the Diff will give the errors. if possible i would love to run my 320 diff with the 55 motor.
Thats what i tought too but he said that the Diff will give the errors. if possible i would love to run my 320 diff with the 55 motor.
Hmmm a good mind bender for ya. I can only guess that the TCU is looking for specific info from the wheel calibration but again... if you change the diameter of the wheel you are... in a hilbilly way.. doing the same as a gear swap. Are those with larger wheels having their speedo's corrected to reflect accurate speed? Ill go out on a limb and say you may be able to get around the issue with some trick programing. Question is, how much is it worth to ya?
Hmmm a good mind bender for ya. I can only guess that the TCU is looking for specific info from the wheel calibration but again... if you change the diameter of the wheel you are... in a hilbilly way.. doing the same as a gear swap. Are those with larger wheels having their speedo's corrected to reflect accurate speed? Ill go out on a limb and say you may be able to get around the issue with some trick programing. Question is, how much is it worth to ya?
very good point. i might be able to work that because 'm going with bigger engine and i have 19x10.5 and 19x9.5 and smaller gearing (320) diff so that should work. and William should have an easier time specially if he is going with the c32 engine.
Some where a LSD is being made for the SRT-6 and SLK32 as we speak but I don't want another infraction for mentioning it. Does the 320 have the same differential?
If you have the parts I say go for it. worst case is you swap diffs if it has a problem. I cant remember the calculator for the drive ratio but you may be close to stock with the larger wheels and lower gears. Now just dont blow it up!! LOL
You can fix the speed sensor error using Xentry. Most mercedes specialist shop should have it, and if you plan on doing a lot of work to your own mercedes a Xentry/SDS clone is a good investment. There is a line in the ECU coding that stores the rear axle ratio. Change that number to whatever your new gear ratio is. It is line number 274 in the ECU coding. Hope this helps people who are looking to swap their diffs. I doubt the gains from a diff swap will be worth the top end loss because top end is where w208s perform best. But if you have access to Xentry, why not give it a try, our diffs aren’t very difficult to swap.
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