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E-Class (W212) 2010 - 2016: E 350, E 550

ECU Tuning

 
Old 09-15-2018, 07:53 AM
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E550
ECU Tuning

Pressertech Tuning from Atlanta is offering huge horse power increase by remapping ECU. Curious if there's any reported drawbacks from folks that have had this done. I have 2012 E550 and considering have the stage 2 completed.
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Old 09-15-2018, 08:52 AM
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Never heard of them. There are several tuners who can get 100 HP + out of this engine. Some ECUís have been fried so be wary of that. Watch the torque gains on the trans, which can stress it. I havenít heard of any engines grenading with these tunes. Read up around here for others who have ECU tunes.
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Shavnore (09-16-2018)
Old 09-15-2018, 06:54 PM
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Originally Posted by KEY08
Never heard of them. There are several tuners who can get 100 HP + out of this engine. Some ECUís have been fried so be wary of that. Watch the torque gains on the trans, which can stress it. I havenít heard of any engines grenading with these tunes. Read up around here for others who have ECU tunes.
Almost all the tuners have more the 600FT of TQ with the tunes on these cars, and Renntech has 700 TQ with their tune, what's the max TQ the transmission in these cars is allowed?
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Old 09-16-2018, 09:28 AM
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735 ft-lbs I believe is the high torque rating. Higher in the AMG trans, obviously.
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Shavnore (09-16-2018)
Old 09-17-2018, 11:27 AM
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OETuning tune for 3+ years, 30,000 miles, on my 2012 sedan with no issues. Power is great and my car runs the same times and mph at the track as the guys with the Renntech Tune.

Last edited by Juice1979; 09-17-2018 at 04:50 PM.
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KEY08 (09-17-2018)
Old 09-17-2018, 11:51 AM
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Saw pic of your car

Originally Posted by Juice1979 View Post
OETuning rune for 3+ years, 30,000 miles, on my 2012 sedan with no issues. Power is great and my car runs the same times and mph at the track as the guys with the Renntech Tune.
Your car looks awesome!
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Old 09-17-2018, 01:26 PM
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I had a good time on another mfg vehicle. My primary decision point was not so much the power gains but the aftersale support. Always a good idea to check references in addition to online reviews.
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