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Old 04-01-2012, 09:14 AM   #121 (permalink)
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That is not an accurate statement. I tried one - two actually - and did in fact go back to being without one. As have others. You should qualify your statement.
OK so you didn't like yours, you are the first person I've heard of who found that to be the case.
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Old 08-13-2012, 09:41 PM   #122 (permalink)
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Look for someone who is selling a first generation Sprint Booster BDD451A2, Mercedes/AMG or a new version
Sprint Booster SBDD451A, Speed Selectable, Mercedes/AMG like

Sprint Booster SBDD451A, Speed Selectable, Mercedes/AMG | eBay for $299.00

Note: check for fitment on your year car. Please read the note at http://www.benzworld.org/forums/sale...an-takers.html

I finally decided to buy a Sprint Booster SBDD451A and have it installed. At first I was quite pleased with the result, which was as expected: A much quicker response to the gas pedal movements. However, a day after installing I had the ESP control light (in the row of control lights below the speed indicator) coming up. Checking with my mechanic, he reported about some bad experiences with Sprint Booster models (there seem to be various manufacturers around) in other cars (i.e. a CL55) leading to severe damage and replacement of the ECU (2.500 USD). So, much to my regret we removed the sprint booster again, as my appetite for senseless spending on a new ECU was rather limited.

Any experiences here in a similar direction or could it simply be an installation error - though I think it is pretty much plug and play, correct?

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Old 08-14-2012, 07:49 AM   #123 (permalink)
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No experience with that kind of problem, but I'm skeptical. The Sprint Booster does nothing that you can't do with your foot. The only thing it is affecting is the accelerator pedal input to the ECU. No different than stomping on your gas pedal. I would suspect some other problem lurking in the vehicle that aggressive use of the accelerator pedal (which is basically what adding a Sprint Booster does) brings out.

It's possible that a poorly designed or malfunctioning Sprint Booster could feed an overvoltage to the ECU and damage the ECU's accelerator pedal input, but highly unlikely. Again, I'm skeptical.

Sprint Boosters do plug right in so it's very hard to have an installation issue.
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Old 08-14-2012, 08:10 AM   #124 (permalink)
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Look for someone who is selling a first generation Sprint Booster BDD451A2, Mercedes/AMG or a new version
Sprint Booster SBDD451A, Speed Selectable, Mercedes/AMG like

Sprint Booster SBDD451A, Speed Selectable, Mercedes/AMG | eBay for $299.00

Note: check for fitment on your year car. Please read the note at http://www.benzworld.org/forums/sale...an-takers.html
After further investigation and contact w/ Speed Booster they have informed me that they do not support ANY Sprint Booster for the R129.

Note: I've noticed that from the 1st generation to date all of the MB installations have pointed to behind the gas pedal. But with an R129 it was found, by one of our forum members, that it needed to be installed in the engine compartment as noted in the above pictures. It's my guess that this is one of the reasons that SB decided NOT to support the R129.

FWIW, the R129 has a throttle cable from the gas pedal through the firewall into the engine compartment to a potentiometer where it then becomes Drive By Wire.

Last edited by lynns; 08-14-2012 at 08:13 AM.
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Old 08-14-2012, 08:28 AM   #125 (permalink)
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After further investigation and contact w/ Speed Booster they have informed me that they do not support ANY Sprint Booster for the R129.

Note: I've noticed that from the 1st generation to date all of the MB installations have pointed to behind the gas pedal. But with an R129 it was found, by one of our forum members, that it needed to be installed in the engine compartment as noted in the above pictures. It's my guess that this is one of the reasons that SB decided NOT to support the R129.

FWIW, the R129 has a throttle cable from the gas pedal through the firewall into the engine compartment to a potentiometer where it then becomes Drive By Wire.
That's the same as a 210, cable from the pedal then drive by wire.
The SB goes there and works perfectly well on the two cars I've used it on.
I think it's just the same but a different location of the accelerator pedal sensor.
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Old 08-14-2012, 10:04 AM   #126 (permalink)
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I've been reading this interesting thread from page 1, but I have a couple of questions regarding its application in an M119.

1. Do the earlier M119s, M119.960 in my case use the same setup as newer cars? As in "throttle cable from pedal to potentiometer then it becomes drive-by-wire". I honestly have no idea about that and was wondering how it worked in the early M119s, specially when you also have the electronic throttle actuator for the ASR.

2. Isn't adjusting the bowden cable on the early 4 speed transmissions have a similar result to this? It does make the car more responsive during downshifts and upshifts, I tend to feel the pedal become more responsive after tuning the bowden cable a little bit.


Ok, I just read the pdf document on the SB and it gave me more insight on how this actually works. However I'd still like to understand how does the M119.960 with ASR use throttle, is it mech-cable or as described above. Also the part about the bowden cable adjustment having similar "feel" to SB.

Thanks

Last edited by AGB; 08-14-2012 at 10:32 AM.
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Old 08-15-2012, 11:04 AM   #127 (permalink)
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That's the same as a 210, cable from the pedal then drive by wire.
The SB goes there and works perfectly well on the two cars I've used it on.
I think it's just the same but a different location of the accelerator pedal sensor.
Yes, and I haven't heard of any concerns from earlier 1st gen owners of SB. But it's my guess that the SB people didn't plan for the heat that's generated in the engine compartment vs. the interior of the car. Just a guess.
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Old 11-21-2012, 02:19 PM   #128 (permalink)
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ive installed a SB onto my 1996 Sl60 AMG, very easy plug and play in the engine compartment.
However it makes the engine rev at well over 1k at idle and surge up and down, with all the ESP lights on.
Removed it and everything ok again.
So it doesnt work on mine. Why is this? Anyone have any thoughts?
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Old 11-21-2012, 08:56 PM   #129 (permalink)
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So it doesn't work on mine. Why is this? Anyone have any thoughts?
Did you install a first generation SB or is it the newer version?
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Old 11-21-2012, 11:56 PM   #130 (permalink)
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its the newer one i think. selectable.
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