SDS tweaks - Mercedes-Benz Forum
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post #1 of 20 (permalink) Old 12-05-2015, 02:11 AM Thread Starter
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SDS tweaks

I'm a new SDS owner, and I thought I would start a thread on useful tweaks or modifications that owners can make that they find useful. I understand you don't buy an SDS for modding, but thought it would be nice to document what useful mods are available.

So far I have:

1) lower the in-gear idle RPM to reduce creep speed at stop lights.

Made a big difference. Doesn't feel like I'm restraining a wild horse anymore, which gets tiresome after a while.

2) lower the ride height

I always thought the gap between the tires and the fender was really high for a sports car. Lowering the ride height some helps with the look without costing anything.

Any others?
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post #2 of 20 (permalink) Old 12-06-2015, 05:51 PM
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You can do many things... some among them:

- Remove speed limit restriction

- Add buzzer for when lock/alarm is armed/disarmed

- Remove seatbelt buzzer

- Remove speed threshold alarm

- Fine tune ride height at all 3 speed range (low/mid/high)

- Add or remove items of the MOST optical ring

- Add phone and Linguatronic

- Add audio components

- Customize key dependent features in the gauges cluster

- Add distronic

- Adjust A/F ratios

- Flash modules (with appropriate permission in DAS)


These some of the ones I can think of... there is much more...

Garage:

Mercedes-Benz, W140 S Class S320 (AKA 300SE)

Mercedes-Benz, R230 SL Class SL55 (///AMG)

Mercedes-Benz, X166 GL CLass GL63 (///AMG)

Ducati 999 with Termignoni and CF

Former Mercs:
W164 GL class GL450 (sold) - R129 SL Class SL500 (passed on) - W163 M Class ML430 Designo (passed on) - W140 S Class 500SEL(sold) - W140 S Class S320(sold) - W140 S Class S500(sold) - W140 S Class 500SEL(sold) - W201 190E 2.3(sold)
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post #3 of 20 (permalink) Old 12-06-2015, 06:05 PM
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Lowering idle speed is not a great idea, due to concerns with slow operation temp reachability in the winter, and more important, carbon deposits on exhaust valves, due to inefficient combustion below 700-750 rpm...

I am surprised your car has not stalled yet, when slowing down suddenly from an open throttle... not a fun experience....

BTW, its not known about 230 to be hard to hold at red lights, in fact, it's easier than average cars, because idle braking (pressure hold) is a built in feature in the SBC... If this is an issue for you, I have a feeling your SBC is acting up, if you have to brake excessively to keep the car in place....

Garage:

Mercedes-Benz, W140 S Class S320 (AKA 300SE)

Mercedes-Benz, R230 SL Class SL55 (///AMG)

Mercedes-Benz, X166 GL CLass GL63 (///AMG)

Ducati 999 with Termignoni and CF

Former Mercs:
W164 GL class GL450 (sold) - R129 SL Class SL500 (passed on) - W163 M Class ML430 Designo (passed on) - W140 S Class 500SEL(sold) - W140 S Class S320(sold) - W140 S Class S500(sold) - W140 S Class 500SEL(sold) - W201 190E 2.3(sold)
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post #4 of 20 (permalink) Old 12-07-2015, 08:31 AM
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The supercharger crowd likes to lower the radiator fan thermostat level 10 degrees C, so it turns on at 90C, not 100C. This lowers the supercharged air intake temp by about 10 degrees through the air/water intercooler, giving slightly more air density and HP. Probably messes with things like the optimum air/fuel ratio and other things, but it's free horsepower.

I've heard you can, but have not tried to, change the running lights to flash quickly (like they do in Britain on Top Gear) under hard braking. This is a great safety feature, but alerts the authorities that you are pushing performance to the limit. Just sayin'...

What we really need is a page-by-page of the process for these so everyone can do it themselves. The W211 forum has a lot of these for SDS tweaks.
I've attached a file I've created for all of the SDS tweaks I could find. Use at your own risk! Let us know if they don't work for you.
Attached Files
File Type: pdf Star Diagnostics.pdf (1.18 MB, 213 views)

'11 E350 Bluetec P2 Sport 55K Mi.
'03 SL55 AMG Pano 95K Mi.

Last edited by kbob999; 12-21-2015 at 07:13 AM. Reason: Added SDS DIY Doc
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post #5 of 20 (permalink) Old 12-07-2015, 09:15 AM
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Quote:
Originally Posted by bayhas View Post
You can do many things... some among them:

- Remove speed limit restriction

- Add buzzer for when lock/alarm is armed/disarmed

- Remove seatbelt buzzer

- Remove speed threshold alarm

- Fine tune ride height at all 3 speed range (low/mid/high)

- Add or remove items of the MOST optical ring

- Add phone and Linguatronic

- Add audio components

- Customize key dependent features in the gauges cluster

- Add distronic

- Adjust A/F ratios

- Flash modules (with appropriate permission in DAS)


These some of the ones I can think of... there is much more...
Bayhas, Can you post the procedure for - Add buzzer for when lock/alarm is armed/disarmed? My SL does not make any sound when locking or unlocking but my E320 does. I like to hear a confirmation when I lock or unlock the car so I want to turn this on for my SL.

Thanks

Tony
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post #6 of 20 (permalink) Old 12-07-2015, 09:31 AM
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I ll make a video about that soon, it is a very handy feature to have

Garage:

Mercedes-Benz, W140 S Class S320 (AKA 300SE)

Mercedes-Benz, R230 SL Class SL55 (///AMG)

Mercedes-Benz, X166 GL CLass GL63 (///AMG)

Ducati 999 with Termignoni and CF

Former Mercs:
W164 GL class GL450 (sold) - R129 SL Class SL500 (passed on) - W163 M Class ML430 Designo (passed on) - W140 S Class 500SEL(sold) - W140 S Class S320(sold) - W140 S Class S500(sold) - W140 S Class 500SEL(sold) - W201 190E 2.3(sold)
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post #7 of 20 (permalink) Old 12-07-2015, 04:26 PM
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Question

I have found on my previous 2005 SL500 and my current 2009 SL600 that once the cabin temperature is satisfied the blower still runs faster than I would like it to. Is it possible to set the "satisfied" blower speed in the AUTO program to a lower setting through SDS?
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post #8 of 20 (permalink) Old 12-08-2015, 06:45 AM
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Quote:
Originally Posted by deedward View Post
I have found on my previous 2005 SL500 and my current 2009 SL600 that once the cabin temperature is satisfied the blower still runs faster than I would like it to. Is it possible to set the "satisfied" blower speed in the AUTO program to a lower setting through SDS?
Not without binary programming, as adjusting blower speed is not a common adjustment...

The blower remains running for fogging and condensation issues, not for temperature control...

Garage:

Mercedes-Benz, W140 S Class S320 (AKA 300SE)

Mercedes-Benz, R230 SL Class SL55 (///AMG)

Mercedes-Benz, X166 GL CLass GL63 (///AMG)

Ducati 999 with Termignoni and CF

Former Mercs:
W164 GL class GL450 (sold) - R129 SL Class SL500 (passed on) - W163 M Class ML430 Designo (passed on) - W140 S Class 500SEL(sold) - W140 S Class S320(sold) - W140 S Class S500(sold) - W140 S Class 500SEL(sold) - W201 190E 2.3(sold)
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post #9 of 20 (permalink) Old 12-20-2015, 01:42 AM
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Quote:
Originally Posted by benz-SL500-newbie View Post
I'm a new SDS owner, and I thought I would start a thread on useful tweaks or modifications that owners can make that they find useful. I understand you don't buy an SDS for modding, but thought it would be nice to document what useful mods are available.

So far I have:

1) lower the in-gear idle RPM to reduce creep speed at stop lights.

Made a big difference. Doesn't feel like I'm restraining a wild horse anymore, which gets tiresome after a while.

2) lower the ride height

I always thought the gap between the tires and the fender was really high for a sports car. Lowering the ride height some helps with the look without costing anything.

Any others?
Hi there I've been trying to lower mine with my C4 but seems like I don't have that correct formula are u be able to show me how to do it ? I need do know correct numbers for the lowest safest setting without getting red display saying car is too low visit work shop I be been messing around with it a lot try to find correct numbers and never had luck and I hope that u could help
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post #10 of 20 (permalink) Old 12-20-2015, 02:11 PM
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Quote:
Originally Posted by ADRIAN126sec View Post
Hi there I've been trying to lower mine with my C4 but seems like I don't have that correct formula are u be able to show me how to do it ? I need do know correct numbers for the lowest safest setting without getting red display saying car is too low visit work shop I be been messing around with it a lot try to find correct numbers and never had luck and I hope that u could help
The suspension geometry is not maintained beyond -15mm, the R230 is a tire eater as is (due to high torque and staggered setup)

Going any lower than -15mm is a bad idea, you wheels and front bumper will also thank you.... as well as your pelvis, as the lower the car sits, the harsher the ride is...

All of the settings you're looking for are under the ABC module settings...

Garage:

Mercedes-Benz, W140 S Class S320 (AKA 300SE)

Mercedes-Benz, R230 SL Class SL55 (///AMG)

Mercedes-Benz, X166 GL CLass GL63 (///AMG)

Ducati 999 with Termignoni and CF

Former Mercs:
W164 GL class GL450 (sold) - R129 SL Class SL500 (passed on) - W163 M Class ML430 Designo (passed on) - W140 S Class 500SEL(sold) - W140 S Class S320(sold) - W140 S Class S500(sold) - W140 S Class 500SEL(sold) - W201 190E 2.3(sold)
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