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Tuning options for 2016 S550 Coupe?

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Old May 31, 2016 | 01:20 AM
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2tall4economy's Avatar
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S550 Coupe
Tuning options for 2016 S550 Coupe?
Hi all, I was searching around for some tuning options for my coupe and I saw this from Renntech:

http://www.renntechmercedes.com/inde...biturbo-detail

Seems a tad pricey for just a firmware update. Anyone else out there have a good product that others have experience with? Any gotchas I need to be aware of?

Thanks!
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Old Jun 2, 2016 | 03:06 PM
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We're running a Spring/Summer sale right now that's 10% off exhaust systems and 20% off software. That would make our comparable S550 ECU upgrade $1600 at the moment.
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Old Aug 9, 2018 | 02:12 PM
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I just had mine tuned right after I picked it up from OETUNING THE VERY BEST!!!!
Originally Posted by 2tall4economy
Hi all, I was searching around for some tuning options for my coupe and I saw this from Renntech:

http://www.renntechmercedes.com/inde...biturbo-detail

Seems a tad pricey for just a firmware update. Anyone else out there have a good product that others have experience with? Any gotchas I need to be aware of?

Thanks!
Just picked up my car from the dealer day before yesterday and drove straight down to Santa Ana and they did the tune while I waited. Took all of 1 1/2 hours. They are a fraction of the price, even at retail. I happened to get in on the last day of the promo sale. They still are offering a discount for MB World forum members. I paid 800.00 but that was the month of July sale. Regular price is only 1,195.00. I've used all of these guys but have done 4 tunes with them and will never use another tuner again.
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Old Aug 9, 2018 | 02:58 PM
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I am considering, and have always liked Renntech. they are factory supported. I am sure other tuners have good products but I would only consider renntech for myself
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