E63 Renntech vs MHP data
Let's see, more HP, more TQ, less $, + the option of TCU (which no one else can do)...
Pretty sporty IMO.
Last edited by MHP; Oct 28, 2008 at 06:29 PM.
We did decide to sell 63 ECU/TCU tuning seperately recently as there were simply too many requests to turn away. Cost for ECU or TCU only for E/CLS 63s is $2500: https://mbworld.org/forums/showthrea...light=ecu+only
How much does Renntech charge for ECU only for E63s?
Renntech advertises 3500 for their ECU. I didnt have to pay that much for some reason but wasnt hugely far off.
Last edited by Fr33kn63; Oct 28, 2008 at 06:25 PM.
All in all I would have to agree the area under the curve is better with the mph tune.
Last edited by rflow306; Oct 28, 2008 at 06:35 PM.
We gained ~9rwhp and ~6-8rwtq at peak going from v1 to v2 but gained 2.5mph in trap speed and knocked off .17 in ET. As you pointed out it's all about area under the curve.
The Best of Mercedes & AMG
tuning the C63 is definitely worth it, but the gains on the E63 just don't seem to be that big.... maybe that dyno is really conservative..... any plans to take it to the track?
1)renn tune(which was paid for)+headers=?hp gains
2)mhp tune/renn tune=?hp gains!
3)stock+mhp tune=?hp
for a stock car, the gains with mhp tune imo,does not warrant the price and the uproar.it is beyond me.
tuning the C63 is definitely worth it, but the gains on the E63 just don't seem to be that big.... maybe that dyno is really conservative..... any plans to take it to the track?
Last edited by MHP; Oct 28, 2008 at 08:01 PM.
The graphs displayed above show a clear advantage in area under the curve (Avg HP/TQ wins races, peak numbers are really only good for dyno jockeys) and peak numbers (nowhere did the Renntech tune make more power or torque than ours), despite having a safer A/F (meaning there's more left on the table for us than there is for Renntech) and having a lower price ECU to ECU than Renntech.
Last I checked Renntech was the performance benchmark for MB/AMG tuning as far as results go.
Again, more power, more torque, with a safer A/F and the ability to do TCU on a 7A (which no one else can) offered at a less expensive rate than the former segment leader charges. If you can't grasp those simple facts I don't know what to tell you.
We might get some dyno figures out of mine tomorrow
, I'm keeping my fingers crossed.
tuning the C63 is definitely worth it, but the gains on the E63 just don't seem to be that big.... maybe that dyno is really conservative..... any plans to take it to the track?
Yes I have been to the track several times this year and am planning on 11/07 at capital raceway to get some preliminary 1/4 mile runs in beofre the 11/15 event at MIR.
After both events i will post slips of times. From what I can tell i should be faster then my recorded 12.14 run a couple weeks ago.(hopefully)
I have done a lot of bolt on mods and I dont know if the stock renntech tune is good still,??? or should i think about a new flash??? Maybe in my C55 there isnt much more to gain from an ECU than i already got.
All in all I would have to agree the area under the curve is better with the mph tune.
Tom
Second point: if you live by corrected 1/4 mile numbers...you should die....err I mean have to use them to compare runs. Jeff may very well trap 3-4mph higher just because it is -2500ft DA day at MIR. I think Jason brought the portable weather thing to MIR on Columbus day and it was showing 10 degrees warmer than reported on the dragtimes DA calculator. I think he said it was between 700ft and 1500ft that day. So we should factor that in when we do the runs to compare the two softwares' performance. Hey, I hope for Jeff's sake he picks up some huge numbers and it isn't all DA related.
Tom
I have done a lot of bolt on mods and I dont know if the stock renntech tune is good still,??? or should i think about a new flash??? Maybe in my C55 there isnt much more to gain from an ECU than i already got.
if your ecu tuning is still good. i dunno...
What is really funny, is the references that they dont want to "blow" anything up as if this tune would even approach that feat.
Sorry, it had to be said. Buy an intake and some long headers and leave this alone.
Paul

RPMx100 HP TQ
2.6 +2.12 +4.29
2.7 +1.52 +2.94
2.8 +2.32 +4.36
2.9 +2.27 +4.12
3.0 +3.26 +5.69
3.1 +3.96 +6.71
3.2 +2.41 +3.97
3.3 +5.49 +8.75
3.4 +6.03 +9.30
3.5 +4.63 +6.96
3.6 +3.66 +5.34
3.7 +8.29 +11.77
3.8 +8.21 +11.33
3.9 +10.10 +13.60
4.0 +10.23 +13.44
4.1 +10.18 +13.04
4.2 +9.84 +12.30
4.3 +10.40 +12.70
4.4 +12.34 +14.74
4.5 +10.81 +12.61
4.6 +5.57 +6.35
4.7 +2.79 +3.12
4.8 +4.71 +5.16
4.9 +9.07 +9.71
5.0 +3.69 +3.89
5.1 +8.62 +8.88
5.2 +6.32 +6.38
5.3 +4.10 +4.06
5.4 +4.89 +4.74
5.5 +6.93 +6.62
5.6 +5.70 +5.34
5.7 +6.62 +6.10
5.8 +7.92 +7.17
5.9 +4.41 +3.93
6.0 +6.54 +5.72
6.1 +7.68 +6.61
6.2 +5.95 +4.94
6.3 +8.30 +6.92
6.4 +11.44 +9.39
6.5 +3.31 +2.67
6.6 +5.54 +4.41
6.7 +1.30 +1.02
6.8 +3.16 +2.45
6.9 -0.01 -0.01
7.0 +5.82 +4.35
Ok, we lost by .01rwhp/rwtq at 6900rpm.










