C43 Facelift Eurocharged Tune
Owners like me look toward piggyback solutions because in some of our respective regions/markets, dealers particularly look for reflashes of the ecu and they will void your warranty. We accept the limitations of what a piggyback can achieve compared to a full blown ecu tune to circumvent these situations. Often, we wait for the warranty period to elapse and then go for an ecu tune. However, warranty periods can be 5 years in some markets and that's long time to wait.
It seems really odd that the 2019 facelift model doesn't achieve good results with an ecu tune. No wonder the piggyback guys are having problems.
Perhaps it has to do with some other thresholds in the ecu tune that have not yet been identified/recognised and raised/augmented accordingly and is thus holding back the torque. I used to be in the tuning business about a decade ago and had relevant training with Alientech and CMD at the time, but I'll admit I don't know what is what with the technology nowadays, so I'm not an expert.
I am really afraid that if it all has to do with thresholds in the ecu holding back the performance, I don't think the piggyback guys will ever be able to find a solution. I hope I am wrong!
One question, though, does the pre facelift model have a different transmission?
Owners like me look toward piggyback solutions because in some of our respective regions/markets, dealers particularly look for reflashes of the ecu and they will void your warranty. We accept the limitations of what a piggyback can achieve compared to a full blown ecu tune to circumvent these situations. Often, we wait for the warranty period to elapse and then go for an ecu tune. However, warranty periods can be 5 years in some markets and that's long time to wait.
It seems really odd that the 2019 facelift model doesn't achieve good results with an ecu tune. No wonder the piggyback guys are having problems.
Perhaps it has to do with some other thresholds in the ecu tune that have not yet been identified/recognised and raised/augmented accordingly and is thus holding back the torque. I used to be in the tuning business about a decade ago and had relevant training with Alientech and CMD at the time, but I'll admit I don't know what is what with the technology nowadays, so I'm not an expert.
I am really afraid that if it all has to do with thresholds in the ecu holding back the performance, I don't think the piggyback guys will ever be able to find a solution. I hope I am wrong!
One question, though, does the pre facelift model have a different transmission?
OK let's look at the numbers again closely.
Bear in mind it was only running UK 97 RON not the recommended 98 RON , and it's a dynojet.
We can see gains of 50hp above the original curve and 100 lb ft torque over stock . For torque that was the gain of the peak amount as well.
For power the peak gain at the top was only 13 hp (but up to 50hp lower down) and it peaks for longer.
If you ignore the actual numbers and look shifts in the curve, that's exactly how it feels. There's something at the top end which is stopping the tune make more significantly power than it should compared to a Pre FL. Hopefully when Jerry at Eurocharged receives the logs he will make some changes, and then we'll try a new map ,on 98 RON , and see how it goes.
The pre facelift has the same 9 speed , is it programmed differently, I don't know? In Europe atleast, the FL has a particulate filter so not sure if that has anything to do with it.
hi, so had another map loaded, and did some new runs.
Overall the most it would make is a PEAK WHP gain of about 26 WHP ( but 50 WHP under the curve).
Torque wise around 102 lb ft gain at the wheels.
You can really feel the huge torque gains and better top end, and obviously pops aggressively on down shifts.
Re top end, it must be something to do with the EPF fitted to EU cars, Jerri from Eurocharged said that's all he could get out of the top end.
This is a bit poor compared to pre FL recaps which I've seen get over 400 whp on stage 1.
Also we still has the torque limit error pop up 1x on fast on and off throttle applications, so he removed those codes and so far it hasn't happened again touchwood, let's see.
Be interested to see what other FL owners are getting wo th see stage 1 in Europe?
The Best of Mercedes & AMG
Terry and the guys over at BMS have been great and continue to help me achieve the best performance that can be attained from the 2019 model, safely and without significant hardware changes etc.
As per the attached Dragy stats, a 3.77 sec 0-60 and an 11.93 1/4 mile@117.37mph (equates to approx 486hp) isn't too shabby in my book!
I think the answer is simple with regard to extracting the most from the 2019 model, you either wait for the tuning community (Flash and Piggy) to get a handle on the nuances of the 2019 and present you with a nice shiny and well sorted 'plug and play' solution flash etc., which they will of course.
Or, in the meantime have some fun as I am doing (as well as being educated in the process), in working with your preferred tuner and accepting the fact that you are going to have to do some of the heavy lifting.
Each to their own of course but I am really enjoying the latter as am learning things that ordinarily I wouldn't.
Ok, maybe a little knowledge can be a dangerous thing!! Then I will only have myself to blame...
hi, so had another map loaded, and did some new runs.
Overall the most it would make is a PEAK WHP gain of about 26 WHP ( but 50 WHP under the curve).
Torque wise around 102 lb ft gain at the wheels.
You can really feel the huge torque gains and better top end, and obviously pops aggressively on down shifts.
Re top end, it must be something to do with the EPF fitted to EU cars, Jerri from Eurocharged said that's all he could get out of the top end.
This is a bit poor compared to pre FL recaps which I've seen get over 400 whp on stage 1.
Also we still has the torque limit error pop up 1x on fast on and off throttle applications, so he removed those codes and so far it hasn't happened again touchwood, let's see.
Be interested to see what other FL owners are getting wo th see stage 1 in Europe?
Terry and the guys over at BMS have been great and continue to help me achieve the best performance that can be attained from the 2019 model, safely and without significant hardware changes etc.
As per the attached Dragy stats, a 3.77 sec 0-60 and an 11.93 1/4 mile@117.37mph (equates to approx 486hp) isn't too shabby in my book!
I think the answer is simple with regard to extracting the most from the 2019 model, you either wait for the tuning community (Flash and Piggy) to get a handle on the nuances of the 2019 and present you with a nice shiny and well sorted 'plug and play' solution flash etc., which they will of course.
Or, in the meantime have some fun as I am doing (as well as being educated in the process), in working with your preferred tuner and accepting the fact that you are going to have to do some of the heavy lifting.
Each to their own of course but I am really enjoying the latter as am learning things that ordinarily I wouldn't.
Ok, maybe a little knowledge can be a dangerous thing!! Then I will only have myself to blame...
Standing start, left foot on brake and feather throttle to just under 2k trying to build some boost, foot off brake and floor it!
Been playing around with a few settings etc.. and managed to shave some time.Might not be much but at least its going the right way!
hi, so had another map loaded, and did some new runs.
Overall the most it would make is a PEAK WHP gain of about 26 WHP ( but 50 WHP under the curve).
Torque wise around 102 lb ft gain at the wheels.
You can really feel the huge torque gains and better top end, and obviously pops aggressively on down shifts.
Re top end, it must be something to do with the EPF fitted to EU cars, Jerri from Eurocharged said that's all he could get out of the top end.
This is a bit poor compared to pre FL recaps which I've seen get over 400 whp on stage 1.
Also we still has the torque limit error pop up 1x on fast on and off throttle applications, so he removed those codes and so far it hasn't happened again touchwood, let's see.
Be interested to see what other FL owners are getting wo th see stage 1 in Europe?
I don't know whether the pre-facelift 43's have the same fuel pump? I ask because I haven't heard of anyone getting such issues on aggressive Maps before?
Don't fancy getting into changing pumps really but do accept from experience that there aren't many instances in squeezing forced induction engines, where you get away without doing so. What's frankly amazing with the C43 is the significant power that can be squeezed without a pump change!
I don't know whether the pre-facelift 43's have the same fuel pump? I ask because I haven't heard of anyone getting such issues on aggressive Maps before?
Don't fancy getting into changing pumps really but do accept from experience that there aren't many instances in squeezing forced induction engines, where you get away without doing so. What's frankly amazing with the C43 is the significant power that can be squeezed without a pump change!
BMS were great and offered to to either refund me or quickly make some custom shields and ship them to me. Being of the impatient kind, I said I will have a go in my workshop and create a template which BMS now have and I have shields in place as BMS intended:-)
Most noticeable change of course is noise.....you can now very clearly hear the turbos spooling up and the dump valves blowing off. Very, very childish and I cannot imagine why any grown man would want such a thing.........cough, cough
Anyway, the most tangible benefit is throttle response, the intakes really do make a difference on my 19 for both stock and tuned performamce.
If there is an actual small power increase, I couldn't honestly say. I wanted to sharpen up what to me was a dull stock throttle response. It has absolutely succeeded in that regard.
I used to be a normal guy with a wife, kids a job and other important responsibilities..........until the day I bought a 'Dragy'.
I now find myself alone on a local track doing dragster type stuff or laying in wait late at night near a favourite piece of appropriate public highway to better the time I did 5 minutes ago!!
Very, very addictive.........rehab for me then, just one more run though before I go.............
I used to be a normal guy with a wife, kids a job and other important responsibilities..........until the day I bought a 'Dragy'.
I now find myself alone on a local track doing dragster type stuff or laying in wait late at night near a favourite piece of appropriate public highway to better the time I did 5 minutes ago!!
Very, very addictive.........rehab for me then, just one more run though before I go.............
Unfortunately for me, the best bit of private half mile road is about 15 miles away, and trust me I've looked in detail.
The Dragy is a very useful tool to compare results for tuned vs stock etc. My acceleration times are vastly improved despite the above map issues.
Can't feel any difference in the butt dyno yet so will do some Dragy runs soon hopefully.
However I believe the V4 was honed for the prefacelift still.


