Polite Inquiry: Eurocharged Vs. AMR max tunes
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Senior Member
Joined: Aug 2018
Posts: 358
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C450,GLC 63,VW GTI
Polite Inquiry: Eurocharged Vs. AMR max tunes
about to pull the trigger on one of these and wanted to get a non-confrontational data driven opinion with these 2.
Which makes the most usable (nice curve and smooth delivery) horsepower relative to their advertised numbers ? I know this is like pulling teeth with peoples opinions but am looking for a stage 2 (high flow cats and the new intake that's coming out) and the highest numbers.
AMR: 525 HP and 575 TQ ( I am assuming these are at the crank numbers of course), they have cool features like launch/ boost off the line.
Eurocharged: Maybe similar numbers ?
Which makes the most usable (nice curve and smooth delivery) horsepower relative to their advertised numbers ? I know this is like pulling teeth with peoples opinions but am looking for a stage 2 (high flow cats and the new intake that's coming out) and the highest numbers.
AMR: 525 HP and 575 TQ ( I am assuming these are at the crank numbers of course), they have cool features like launch/ boost off the line.
Eurocharged: Maybe similar numbers ?
Senior Member
Joined: Oct 2017
Posts: 419
Likes: 132
From: UK
2004 E55 K Wagon &. '96 SL500
crank , on a stage 1 - apart from OPF delete.
Claims of 525 crank = 450 whp is optimistic on standard turbos, charge cooler and fuel pump, even with a decat.
the capacity of single stock chargecooler and fuel pump is quite limited.
upgrades from spool performance and Wagner are avaiable.
if an AMR car is making that power I have not seen tangible proof ie on dragy times or slip times, which should be low 11s in the 1/4 mile and 100-200 kph in the 7s range.
Claims of 525 crank = 450 whp is optimistic on standard turbos, charge cooler and fuel pump, even with a decat.
the capacity of single stock chargecooler and fuel pump is quite limited.
upgrades from spool performance and Wagner are avaiable.
if an AMR car is making that power I have not seen tangible proof ie on dragy times or slip times, which should be low 11s in the 1/4 mile and 100-200 kph in the 7s range.
Senior Member
Joined: Oct 2017
Posts: 419
Likes: 132
From: UK
2004 E55 K Wagon &. '96 SL500
I am sure the OP will be looking at results from just a tune on pump gas in a realistic daily driven enviornment rather than a one time achievement done by only "one" person who did has every bolt-on: JB4 Piggy Back, ECU Tune, E60 Fuel, Methanol Injection, Downpipes, etc... 
Results should show consistency, not one-timer.
You get alot more for your money with AMR Performance not to mention the relaxed mental mind-set of your car being reliable and problem free.
Exclusive and Available Features:
- Launch Control / Boost off the line
- 2-Step
- Rolling 2-Step
- Free REV in Neutral
- Free REV in Park
- Full Advanced Burble
Contact @AMR_Matt
Results should show consistency, not one-timer.
You get alot more for your money with AMR Performance not to mention the relaxed mental mind-set of your car being reliable and problem free.
Exclusive and Available Features:
- Launch Control / Boost off the line
- 2-Step
- Rolling 2-Step
- Free REV in Neutral
- Free REV in Park
- Full Advanced Burble
Contact @AMR_Matt
Former Vendor of MBWorld
Joined: Mar 2018
Posts: 176
Likes: 65
2013 Nissan GTR Black Edition, 2017 Mercedes C43 AMG
crank , on a stage 1 - apart from OPF delete.
Claims of 525 crank = 450 whp is optimistic on standard turbos, charge cooler and fuel pump, even with a decat.
the capacity of single stock chargecooler and fuel pump is quite limited.
upgrades from spool performance and Wagner are avaiable.
if an AMR car is making that power I have not seen tangible proof ie on dragy times or slip times, which should be low 11s in the 1/4 mile and 100-200 kph in the 7s range.
Claims of 525 crank = 450 whp is optimistic on standard turbos, charge cooler and fuel pump, even with a decat.
the capacity of single stock chargecooler and fuel pump is quite limited.
upgrades from spool performance and Wagner are avaiable.
if an AMR car is making that power I have not seen tangible proof ie on dragy times or slip times, which should be low 11s in the 1/4 mile and 100-200 kph in the 7s range.
Additionally, 525 crank does not equal 450whp lol it it equals 421whp and we have dyno sheets on our website of C43s making 420-430whp all day. It is absolutely possible and capable, as we have done it countless times.
As far as dragy or track times, it all depends on conditions. We just had a C450 with RV3.1 run an 11.6, which would be even faster if it weren't on 93 octane alone (no blends or additives).
We focus on providing a realistic and daily driveable package that is usable to the average owner and offers consistent results.
Senior Member
Joined: Oct 2017
Posts: 419
Likes: 132
From: UK
2004 E55 K Wagon &. '96 SL500
Our numbers are not optimistic and our tunes are not problematic. There are countless threads and posts online that will back that up. Unlike competitors, we don't have misfires, limp mode, etc like you see others having.
Additionally, 525 crank does not equal 450whp lol it it equals 421whp and we have dyno sheets on our website of C43s making 420-430whp all day. It is absolutely possible and capable, as we have done it countless times.
As far as dragy or track times, it all depends on conditions. We just had a C450 with RV3.1 run an 11.6, which would be even faster if it weren't on 93 octane alone (no blends or additives).
We focus on providing a realistic and daily driveable package that is usable to the average owner and offers consistent results.
Additionally, 525 crank does not equal 450whp lol it it equals 421whp and we have dyno sheets on our website of C43s making 420-430whp all day. It is absolutely possible and capable, as we have done it countless times.
As far as dragy or track times, it all depends on conditions. We just had a C450 with RV3.1 run an 11.6, which would be even faster if it weren't on 93 octane alone (no blends or additives).
We focus on providing a realistic and daily driveable package that is usable to the average owner and offers consistent results.
In Europe we have MAHA ( and other) dynos which can accurately calculate flywheel hp from WHP,, as they're able to calculate drivetrain loss on the coast down . Dynojets used in USA measure WHP only.
Renntech who are probably the biggest Mercedes tuner after AMG and Brabus, have calculated the drivetrain loss for the C43 at 17% which is where I got to 450 ( 448 WHP to be exact) from your 525 crank estimate.
430 WHP using 17% would be 503 flyhweel HP.
430 WHP from 525 would be 22% drivetrain loss % which is very high even for a modern AWD Auto.
Last edited by AhEmGee; Aug 19, 2020 at 10:31 AM.
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Former Vendor of MBWorld
Joined: Mar 2018
Posts: 176
Likes: 65
2013 Nissan GTR Black Edition, 2017 Mercedes C43 AMG
420/ 430 WHP is definately possible on a stage 2 M276, but to claim that equals 525 at the Crank is a bit optimistic.
In Europe we have MAHA ( and other) dynos which can accurately calculate flywheel hp from WHP,, as they're able to calculate drivetrain loss on the coast down . Dynojets used in USA measure WHP only.
Renntech who are probably the biggest Mercedes tuner after AMG and Brabus, have calculated the drivetrain loss for the C43 at 17% which is where I got to 450 ( 448 WHP to be exact) from your 525 crank estimate.
430 WHP using 17% would be 503 flyhweel HP.
430 WHP from 525 would be 22% drivetrain loss % which is very high even for a modern AWD Auto.
In Europe we have MAHA ( and other) dynos which can accurately calculate flywheel hp from WHP,, as they're able to calculate drivetrain loss on the coast down . Dynojets used in USA measure WHP only.
Renntech who are probably the biggest Mercedes tuner after AMG and Brabus, have calculated the drivetrain loss for the C43 at 17% which is where I got to 450 ( 448 WHP to be exact) from your 525 crank estimate.
430 WHP using 17% would be 503 flyhweel HP.
430 WHP from 525 would be 22% drivetrain loss % which is very high even for a modern AWD Auto.
AWD cars are standard 20% loss, which is what we use, so 20% off of 525 is 420whp.
Regardless, though, the delta remains consistent, which is what you want to pay attention to while shopping upgrades
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Senior Member
Joined: Oct 2017
Posts: 419
Likes: 132
From: UK
2004 E55 K Wagon &. '96 SL500
Our numbers are not optimistic and our tunes are not problematic. There are countless threads and posts online that will back that up. Unlike competitors, we don't have misfires, limp mode, etc like you see others having.
Additionally, 525 crank does not equal 450whp lol it it equals 421whp and we have dyno sheets on our website of C43s making 420-430whp all day. It is absolutely possible and capable, as we have done it countless times.
As far as dragy or track times, it all depends on conditions. We just had a C450 with RV3.1 run an 11.6, which would be even faster if it weren't on 93 octane alone (no blends or additives).
We focus on providing a realistic and daily driveable package that is usable to the average owner and offers consistent results.
Additionally, 525 crank does not equal 450whp lol it it equals 421whp and we have dyno sheets on our website of C43s making 420-430whp all day. It is absolutely possible and capable, as we have done it countless times.
As far as dragy or track times, it all depends on conditions. We just had a C450 with RV3.1 run an 11.6, which would be even faster if it weren't on 93 octane alone (no blends or additives).
We focus on providing a realistic and daily driveable package that is usable to the average owner and offers consistent results.
Senior Member
Joined: Oct 2017
Posts: 419
Likes: 132
From: UK
2004 E55 K Wagon &. '96 SL500
I have used and owned a variety of dyno brands and I can tell you none of them "accurately" calculate flywheel. They all use an entered percentage that can be changed in the settings by the operator. This information can be obtained by any of the dyno manufactures and though I am sure you got your information listed above from a website or a tuner claim.
If that is the case why didn't you purchase from them? I assume it is because of pricing? Assume went a cheaper route? But if any of those are the case then wouldn't you want to pay for the quality and reputation from the "biggest Mercedes tuner". You drive a "Mercedes" so why go to "coupon" problematic route? Is your vehicle not worth the investment and problem free drivability or do you just like having to do research on why the car is having any issue?
Just an FYI, I would recommend listening to those who put in the work and do this type of work everyday all day rather than what you read on the internet or even what some "tuner" said.
If that is the case why didn't you purchase from them? I assume it is because of pricing? Assume went a cheaper route? But if any of those are the case then wouldn't you want to pay for the quality and reputation from the "biggest Mercedes tuner". You drive a "Mercedes" so why go to "coupon" problematic route? Is your vehicle not worth the investment and problem free drivability or do you just like having to do research on why the car is having any issue?
Just an FYI, I would recommend listening to those who put in the work and do this type of work everyday all day rather than what you read on the internet or even what some "tuner" said.
