Wirelessly connect your JB4 to your phone!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Faster Shifting, Firmer Shifting & Increased Torque Capacity!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Please call 330-331-2003 with your VIN to so that we can verify compatibility with your specific vehicle.
Features CAN-Bus connectivity for more advanced tuning — increases turbocharger output by 3-6psi producing significant power and torque gains
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Brand:
ES#:
3638667
Mfg#:
JB4-W205
Ships in 1 Business Day
12% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$659.00
This product was last offered at the strikethrough price on 06-04-2026
Unleash +142 horsepower and +269 lb-ft of torque on your M157 powered AMG with the Eurocharged ECU Tune and included flashing cable - flash your car from home in minutes!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Increase of +127 Horsepower, and +186 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Computer Powertrain Control Unit, Get rid of those torque limiters & Eliminate top speed limiter, offers better & more consistent performance and higher top speeds.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4708008
Mfg#:
05-177-00159-5
In Stock
Limited Qty Sale
$1699.00
This product was last offered at the strikethrough price on 05-02-2026
Increase of +44 Horsepower, and +39 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +38 Horsepower, and +32 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +69 Horsepower, and +21 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop. CARB certified for sale in all 50 states.
Increase of +34 Horsepower, and +29 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +29 Horsepower, and +23 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +60 Horsepower, and +65 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +19-36 Horsepower, and +13-20 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Get up to +123 hp and +131 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Get up to +67 hp and +69 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip *Open Box - New Product*
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Get up to +56 hp and +61 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
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Mercedes Benz
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