Upgrading rear differential from 2.65 to 2.82
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2004 Mercedes Benz S500
Upgrading rear differential from 2.65 to 2.82
Hellow everybody
This is my first post in this forume. So I wish not making any miss.
I recently bought an 2004 S500 V8 RWD from a friend and it has broked rear differential. I bought a used one with higher ratio, mine were 2.65 and the new was 2.82. I was looking for better performance with higher ration so I go for it and was smiling but this didn't last long after I put the pumpkin into my Mercedes. The diff is put right into the place and once U took it for drive test. the surprise that I never exppect is that the transmission is not shifting and is due to diff change. Is what I did right, is it ok to change gear ratio or it is not possible and I have to put same number which is 2.65.
Thank you every body
NAbeel
This is my first post in this forume. So I wish not making any miss.
I recently bought an 2004 S500 V8 RWD from a friend and it has broked rear differential. I bought a used one with higher ratio, mine were 2.65 and the new was 2.82. I was looking for better performance with higher ration so I go for it and was smiling but this didn't last long after I put the pumpkin into my Mercedes. The diff is put right into the place and once U took it for drive test. the surprise that I never exppect is that the transmission is not shifting and is due to diff change. Is what I did right, is it ok to change gear ratio or it is not possible and I have to put same number which is 2.65.
Thank you every body
NAbeel
Super Member
Joined: Jul 2014
Posts: 773
Likes: 22
From: Dallas
2013 CLS63, 2001 ML430, 2012 e350 coupe
yes it went into limp mode, it not rotating at the speeds expected because of the different ratio. So it thinks something is wrong and puts the car in limp mode.
you will either have to go back to stock ratio or have the tcm reprogrammed for the correct ratio.
i'm doing a similar mod on my car to 3.06, i have a different year and different trans so mine is a little different. But if you contact most of the performance tuners they can program it for you if you ship it to them.
you will either have to go back to stock ratio or have the tcm reprogrammed for the correct ratio.
i'm doing a similar mod on my car to 3.06, i have a different year and different trans so mine is a little different. But if you contact most of the performance tuners they can program it for you if you ship it to them.
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Joined: Apr 2016
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2004 Mercedes Benz S500
sounds great
yes it went into limp mode, it not rotating at the speeds expected because of the different ratio. So it thinks something is wrong and puts the car in limp mode.
you will either have to go back to stock ratio or have the tcm reprogrammed for the correct ratio.
i'm doing a similar mod on my car to 3.06, i have a different year and different trans so mine is a little different. But if you contact most of the performance tuners they can program it for you if you ship it to them.
you will either have to go back to stock ratio or have the tcm reprogrammed for the correct ratio.
i'm doing a similar mod on my car to 3.06, i have a different year and different trans so mine is a little different. But if you contact most of the performance tuners they can program it for you if you ship it to them.
if you can give me website, or any contact for a shop who can do this for me i will be so thankful.
It is better to bear the cost of shipping and reprogramming than seeing the Mercedes parked forever.
and what about transmission, is it capable of handling the new rato?
Thank you so much.
Super Member
Joined: Jul 2014
Posts: 773
Likes: 22
From: Dallas
2013 CLS63, 2001 ML430, 2012 e350 coupe
i would contact kleemann, http://www.kleemann.dk/ they are doing mine but they have facilities in Europe too so they would probably be the easiest for you.
if that doesnt work i can let you know places in the US
Yes the trans will be fine. Different models come with different ratio's and the same transmission.
if that doesnt work i can let you know places in the US
Yes the trans will be fine. Different models come with different ratio's and the same transmission.
Thread Starter
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Joined: Apr 2016
Posts: 9
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2004 Mercedes Benz S500
i would contact kleemann, http://www.kleemann.dk/ they are doing mine but they have facilities in Europe too so they would probably be the easiest for you.
if that doesnt work i can let you know places in the US
Yes the trans will be fine. Different models come with different ratio's and the same transmission.
if that doesnt work i can let you know places in the US
Yes the trans will be fine. Different models come with different ratio's and the same transmission.
Thread Starter
Newbie
Joined: Apr 2016
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2004 Mercedes Benz S500
Hello Again gixxer boy;
I contacted Kleemann but it didn't work out as they are very very expensive. Could give me other names in the US. Euro area are very expensive as usual.
Many Thanks
I contacted Kleemann but it didn't work out as they are very very expensive. Could give me other names in the US. Euro area are very expensive as usual.
Many Thanks
Thread Starter
Newbie
Joined: Apr 2016
Posts: 9
Likes: 0
2004 Mercedes Benz S500
i would contact kleemann, http://www.kleemann.dk/ they are doing mine but they have facilities in Europe too so they would probably be the easiest for you.
if that doesnt work i can let you know places in the US
Yes the trans will be fine. Different models come with different ratio's and the same transmission.
if that doesnt work i can let you know places in the US
Yes the trans will be fine. Different models come with different ratio's and the same transmission.
Kleemann is good and they know wht they are doing, but they are costy. Do you have other names?
Many thanks
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From: Palatine, IL
Speedriven
yes it went into limp mode, it not rotating at the speeds expected because of the different ratio. So it thinks something is wrong and puts the car in limp mode.
you will either have to go back to stock ratio or have the tcm reprogrammed for the correct ratio.
i'm doing a similar mod on my car to 3.06, i have a different year and different trans so mine is a little different. But if you contact most of the performance tuners they can program it for you if you ship it to them.
you will either have to go back to stock ratio or have the tcm reprogrammed for the correct ratio.
i'm doing a similar mod on my car to 3.06, i have a different year and different trans so mine is a little different. But if you contact most of the performance tuners they can program it for you if you ship it to them.
Super Member
Joined: Jul 2014
Posts: 773
Likes: 22
From: Dallas
2013 CLS63, 2001 ML430, 2012 e350 coupe
Thread Starter
Newbie
Joined: Apr 2016
Posts: 9
Likes: 0
2004 Mercedes Benz S500
Thread Starter
Newbie
Joined: Apr 2016
Posts: 9
Likes: 0
2004 Mercedes Benz S500
Super Member
Joined: Jul 2014
Posts: 773
Likes: 22
From: Dallas
2013 CLS63, 2001 ML430, 2012 e350 coupe
I've never used them, people on here have written reviews about them. I was unaware they could program that.
Member
Joined: Nov 2005
Posts: 144
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From: Palm Beach County, Fl.
W163 ML500 w/Kleeman headers (gone but not forgotten); R63
I believe Renntech is now in Stuart, Florida.
Regards,
Jerry
Banned
Joined: Sep 2010
Posts: 2,542
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From: Palatine, IL
Speedriven
Banned
Joined: Sep 2010
Posts: 2,542
Likes: 72
From: Palatine, IL
Speedriven
Thread Starter
Newbie
Joined: Apr 2016
Posts: 9
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2004 Mercedes Benz S500
Banned
Joined: Sep 2010
Posts: 2,542
Likes: 72
From: Palatine, IL
Speedriven
