Mercedes ECU Upgrades

2013-2015 Mercedes W216 CL550 Weistec M278 ECU Upgrade

Each
$2,550.00
By Weistec Engineering
Part # 01-278-00828-6
540 HORSEPOWER, 615 FT-LBS TORQUE! As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU tune for the bi-turbo M278 vehicle lineup. After months of painstaking dyno and road tuning, we are proud to introduce the most powerful ECU upgrade ...


2011+ Mercedes CL/CLS/E/S/SL 550 V8 Alpha Performance ECU Upgrade

Each
$2,399.95
By Alpha Performance
With its stout design, the Mercedes Benz 4.6L V8 Biturbo engine provides excellent luxury class power for the 2011+ Mercedes-Benz lineup. The stock output of the M278 engine is rated at 402 horsepower and 443 torque or slightly more, but these engines are quite underrated from the factory. More pow ...


2011+ Mercedes CLS63 AMG 5.5L BiTurbo Alpha Performance ECU Upgrade

Each
$2,999.95
By Alpha Performance
With its stout design, the hand-built Mercedes Benz AMG 5.5L V8 Biturbo engine provides excellent luxury class power for the 2011+ AMG lineup. Yet, with stock output of the CLS63 detuned to 518 horsepower, there’s certainly room for improvement. More power than the Lamborghini Gallardo, made ...


2011+ Mercedes S63 AMG 5.5L BiTurbo Alpha Performance ECU Upgrade

Each
$2,999.95
By Alpha Performance
With its stout design, the hand-built Mercedes Benz AMG 5.5L V8 Biturbo engine provides excellent luxury class power for the 2011+ AMG lineup. Yet, with stock output of the S63 detuned to 536 horsepower, there’s certainly room for improvement. More power than the Lamborghini Gallardo, made ea ...


2012+ Mercedes ML63 AMG 5.5L BiTurbo Alpha Performance ECU Upgrade

Each
$2,999.95
By Alpha Performance
With its stout design, the hand-built Mercedes Benz AMG 5.5L V8 Biturbo engine provides excellent luxury class power for the 2012+ AMG lineup. Yet, with stock output of the ML63 detuned to 518 horsepower, there’s certainly room for improvement. More power than the Lamborghini Gallardo, made e ...


2013+ Mercedes G63 AMG 5.5L BiTurbo Alpha Performance ECU Upgrade

Each
$2,999.95
By Alpha Performance
With its stout design, the hand-built Mercedes Benz AMG 5.5L V8 Biturbo engine provides excellent luxury class power for the 2013+ AMG lineup. Yet, with stock output of the G63 detuned to 540 horsepower, there’s certainly room for improvement. More power than the Lamborghini Gallardo, made ea ...


2013+ Mercedes GL63 AMG 5.5L BiTurbo Alpha Performance ECU Upgrade

Each
$2,999.95
By Alpha Performance
  With its stout design, the hand-built Mercedes Benz AMG 5.5L V8 Biturbo engine provides excellent luxury class power for the 2013+ AMG lineup. Yet, with stock output of the GL63 detuned to 550 horsepower, there’s certainly room for improvement. More power than the Lamborghini Gallardo ...


2013+ Mercedes SL63 AMG 5.5L BiTurbo Alpha Performance ECU Upgrade

Each
$2,999.95
By Alpha Performance
With its stout design, the hand-built Mercedes Benz AMG 5.5L V8 Biturbo engine provides excellent luxury class power for the 2013+ AMG lineup. Yet, with stock output of the SL63 detuned to 530 horsepower, there’s certainly room for improvement. More power than the Lamborghini Gallardo, made e ...


2014+ Mercedes C207 E550 BiTurbo RENNtech Intermediate ECU Upgrade

Each
$2,356.00
By Renntech
Part # 54.207.E550BI.FL
Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry o ...


2014+ Mercedes C207 E550 Coupe 4.7L V8 BiTurbo RENNtech ECU Upgrade

Each
$2,603.00
By Renntech
Part # 54.207.E550BT.FL
Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. With the newest update of their Software Upgrade for the M278 – 4.7L V8 BiTurbo, RENNtech boosts t ...


2014+ Mercedes E63 AMG 4Matic 5.5L BiTurbo Alpha Performance ECU Upgrade

Each
$2,999.95
By Alpha Performance
With its stout design, the hand-built Mercedes Benz AMG 5.5L V8 Biturbo engine provides excellent luxury class power for the 2014+ AMG 4MATIC lineup. The stock output of the E63 4MATIC is rated at 550 horsepower and 531 torque, but these engines are very under rated from the factory. Our completely ...


2015+ Mercedes C190 AMG GT S 4.0L V8 BiTurbo M178 RENNtech ECU+ Upgrade

Each
$3,320.25
By Renntech
Part # 54.190.GTS
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gain ...


2015+ Mercedes C218 CLS550 4.7L V8 BiTurbo RENNtech ECU Upgrade

Each
$2,356.00
By Renntech
Part # 54.218.CLS550BI.FL
Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry o ...


2015+ Mercedes C400/C450/C43 M276 Weistec ECU Upgrade

Each
$1,999.99
By Weistec Engineering
Part # 05-276-00059-4
The Weistec M276 ECU upgrade for the 2015+ C400, C450, and C43 AMG models provides substatial gains across the entire powerband.   From 2200rpm to almost 4500rpm, torque measured at the wheels is well over 400lb-ft on our in house linked 4WD Dynojet Dyno making the vehicle a blast to drive arou ...


2015+ Mercedes CLS63 AMG (W218FL) 5.5L BiTurbo V8 RENNtech ECU Upgrade

Each
$3,320.25
By Renntech
Part # 54.218.CLS63BT.FL4M
RENNtech M157 Biturbo ECU Upgrades are TÜV approved! Our proprietary ECU upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.   CLS 63 AMG FaeLift ...


2015+ Mercedes CLS63 AMG (W218FL) 5.5L BiTurbo V8 RENNtech Intermediate ECU Upgrade

Each
$2,707.50
By Renntech
Part # 54.218.CLS63BI.FL4M
RENNtech M157 Biturbo ECU Upgrades are TÜV approved! Our intermediate level ECU upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. This is ideal for cu ...


2015+ Mercedes R231 SL63 AMG RENNtech ECU Upgrade

Each
$2,707.50
By Renntech
Part # 54.231.SL63BI.FL
RENNtech M157 Biturbo ECU Upgrades are TÜV approved! Our intermediate level ECU upgrade for the Mercedes M157 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want ...


2015+ Mercedes R231 SL63 AMG RENNtech ECU+ Upgrade

Each
$3,320.25
By Renntech
Part # 54.231.SL63BT.FL
RENNtech M157 Biturbo ECU+ Upgrades are TÜV approved! Our proprietary ECU+ upgrade for the Mercedes M157 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. Our ECU tune offers the biggest performance gai ...


2015+ Mercedes W218 CLS 550 4.7L V8 BiTurbo RENNtech ECU Upgrade

Each
$2,603.00
By Renntech
Part # 54.218.CLS550BT.FL
Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. With the newest update of their Software Upgrade for the M278 – 4.7L V8 BiTurbo, RENNtech boosts t ...


2015+ Mercedes W218 CLS 550 4.7L V8 BiTurbo RENNtech Intermediate ECU Upgrade

Each
$2,603.00
By Renntech
Part # 54.218.CLS550BT.FL
Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. With the newest update of their Software Upgrade for the M278 – 4.7L V8 BiTurbo, RENNtech boosts t ...


2016+ Mercedes GLC 43 AMG Coupe 3.0L V6 BiTurbo RENNtech ECU+ Upgrade

Each
$2,128.00
By Renntech
Part # 54.253C.GLC43BT
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gain ...


2016+ Mercedes GLC43 AMG Coupe 3.0L V6 BiTurbo RENNtech ECU Upgrade

Each
$1,881.00
By Renntech
Part # 54.253C.GLC43BI
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gain ...


2016+ Mercedes R231 SL550 4.7L V8 BiTurbo RENNtech ECU+ Upgrade

Each
$2,603.00
By Renntech
Part # 54.231.SL550BT.FL
reliability. With the newest update of their Software Upgrade for the M278 – 4.7L V8 BiTurbo, RENNtech boosts the 550-Series to AMG Power Levels. The RENNtech upgraded M278 now produces up to 540 HP and 705 LB-FT at crank. Compared to power numbers by Mercedes-Benz, the SL 550 gains up to 66 ...


2016+ Mercedes R231 SL65 AMG 6.0L BiTurbo V12 RENNtech ECU Upgrade

Each
$3,320.25
By Renntech
Part # 54.231.SL65.FL
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gai ...


2018+ Mercedes C190 AMG GT C 4.0L V8 BiTurbo M178 RENNtech ECU+ Upgrade

Each
$3,320.25
By Renntech
Part # 54.190.GTC
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gain ...


Kleemann Mercedes 500 V8 (M278) ECU Upgrade

Each
$1,475.00
By Kleemann
MED 17.7.X The new direct injected and twin turbocharged 4.7 litre V8 M278 engine in in the 2011/12 CL/S 500 and 2012 SL 500 with 435 hp and 700 Nm and the 2012 CLS/E/ML 500 with 408 HP and 600 Nm is a technological masterpiece with plenty of power to satisfy most driv ...


Kleemann Mercedes 63 AMG Biturbo (M157) ECU Upgrade

Each
$1,935.00
By Kleemann
17.7.X The direct injected and twin turbocharged 5.5 liter M157 V8 AMG engine is a technological masterpiece, producing 544 HP and 800 Nm (590 lb-ft) of torque. The 2012 CLS/E/ML/SL 63 AMG with 525 HP and 700 Nm (PP: 557 HP and 800 Nm) is a technological masterpiece with enough power to satisfy mos ...


Mecedes C63/C63 S M177 ECU Upgrade by Weistec

Each
$2,802.50
By Weistec Engineering
Part # M177ECU
WEISTEC C63 / C63-S ECU POWER  What does all this mean to you?  More power, sharper throttle response, and a complete focus on the driver makes this the perfect addition to your AMG for a much more enjoyable experience for you.  ECU Calibration Process: How do I get my ECU Cali ...


Mercedes "550" 4.6L V8 Twin Turbo (CL,CLS,E,ML,S,SL) Performance Software ECU Programming Upgrade

Each
$2,595.00
By EVOMSit
  Stock Performance Numbers 402 HP / 443 TQStock Performance Numbers (SL550 Only) 429 HP / 516 TQUpgraded Performance Numbers 483 HP / 578 TQNumber are based on 91 Octane fuel. Using 93 octane results in 2-3% higher gains    EVOMSit is fanatically obsessed with achieving ultimate p ...




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