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Mercedes Benz Performance ECU Software / Tuning

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ES#4707682 - 05-000-00073-5 - Cypher Handheld Programmer Tuner - This Device Flashes the Tune onto your vehicle thru the OBD2 Port. Includes handheld tuner, OBD2 Cable, and USB cable. Comes in a zipper carrying case. *Tune sold separately. - Weistec - Audi Volkswagen Mercedes Benz

This Device Flashes the Tune onto your vehicle thru the OBD2 Port. Includes handheld tuner, OBD2 Cable, and USB cable. Comes in a zipper carrying case. *Tune sold separately. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This software is only compatible with Windows PC / Laptop. *Tune sold separately.

Brand:
Weistec - Corporate Logo
ES#:
4707682
Mfg#:
05-000-00073-5
Ships in 6 Business Days
$400.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4708026 - 05-276-00056-1KT - Weistec Mercedes-Benz AMG M276 W.2 ECU Tune - 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! - Weistec - Mercedes Benz

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.

Brand:
Weistec - Corporate Logo
ES#:
4708026
Mfg#:
05-276-00056-1KT
Ships in 6 Business Days
$1899.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4708008 - 05-177-00159-5 - Weistec CPC Module Upgrade - Computer Powertrain Control Unit, Get rid of those torque limiters & Eliminate top speed limiter, offers better & more consistent performance and higher top speeds. - Weistec - Mercedes Benz

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:
Weistec - Corporate Logo
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

$1546.99 USD
Free Shipping
ES#4732829 - 05-273-00214-4KT - Weistec Mercedes Benz M273 5.5L V8 W.2 ECU Tune - 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! - Weistec - Mercedes Benz

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

Brand:
Weistec - Corporate Logo
ES#:
4732829
Mfg#:
05-273-00214-4KT
In Stock at Vendor
$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4732924 - 05-276-00216-9KT - Weistec Mercedes-Benz M276 DE 35 NA W.2 ECU Tune - 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! - Weistec - Mercedes Benz

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

Brand:
Weistec - Corporate Logo
ES#:
4732924
Mfg#:
05-276-00216-9KT
In Stock at Vendor
$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4707947 - 01-000-00169-7KT - Weistec Mercedes-Benz AMG M156 W.1 ECU Tune - 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! - Weistec - Mercedes Benz

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.

Brand:
Weistec - Corporate Logo
ES#:
4707947
Mfg#:
01-000-00169-7KT
EO#:
D-691-3
Ships in 6 Business Days
$1299.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4732828 - 05-273-00213-3KT - Weistec Mercedes Benz M273 5.5L V8 W.1 ECU Tune - 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! - Weistec - Mercedes Benz

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

Brand:
Weistec - Corporate Logo
ES#:
4732828
Mfg#:
05-273-00213-3KT
In Stock at Vendor
$1299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4732923 - 05-276-00215-8KT - Weistec Mercedes-Benz M276 DE 35 NA W.1 ECU Tune - 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! - Weistec - Mercedes Benz

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

Brand:
Weistec - Corporate Logo
ES#:
4732923
Mfg#:
05-276-00215-8KT
In Stock at Vendor
$1299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4715390 - 06-260-00174-5 - Weistec Mercedes-Benz 2.0L M260 W.2 ECU Tune - 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! - Weistec - Mercedes Benz

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

Brand:
Weistec - Corporate Logo
ES#:
4715390
Mfg#:
06-260-00174-5
Ships in 2 Business Days
$1199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4708000 - 01-113-00401-1KT - Weistec Mercedes-Benz M113 4.3/5.0/5.5 NA W.1 ECU Tune - 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! - Weistec - Mercedes Benz

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.

Brand:
Weistec - Corporate Logo
ES#:
4708000
Mfg#:
01-113-00401-1KT
Ships in 6 Business Days
$899.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4708177 - 05-133-00019-2KT - Weistec Mercedes-Benz AMG M133 W.2 ECU Tune - Increase of +80 Horsepower, and +183 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! - Weistec - Mercedes Benz

Increase of +80 Horsepower, and +183 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.

Brand:
Weistec - Corporate Logo
ES#:
4708177
Mfg#:
05-133-00019-2KT
Ships in 6 Business Days
$1599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4708065 - 05-177-00066-2KT - Weistec Mercedes-Benz AMG M177 W.2 ECU Tune - Increase of +182 Horsepower, and +225 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! - Weistec - Mercedes Benz

Increase of +182 Horsepower, and +225 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.

Brand:
Weistec - Corporate Logo
ES#:
4708065
Mfg#:
05-177-00066-2KT
Ships in 6 Business Days
$3099.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4707984 - 05-159-00026-8KT - Weistec Mercedes-Benz SLS AMG M159 W.2 ECU Tune - Increase of +97 Horsepower, and +66 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! - Weistec - Mercedes Benz

Increase of +97 Horsepower, and +66 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.

Brand:
Weistec - Corporate Logo
ES#:
4707984
Mfg#:
05-159-00026-8KT
Ships in 6 Business Days
$1999.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4708074 - 05-177-00046-0KT - Weistec Mercedes-Benz AMG M177 W.2 ECU Tune - Increase of +198 Horsepower, and +168 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! - Weistec - Mercedes Benz

Increase of +198 Horsepower, and +168 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.

Brand:
Weistec - Corporate Logo
ES#:
4708074
Mfg#:
05-177-00046-0KT
Ships in 6 Business Days
$2599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4707948 - 05-156-00094-0KT - Weistec Mercedes-Benz AMG M156 W.2 ECU Tune - Increase of +120 Horsepower, and +87 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! - Weistec - Mercedes Benz

Increase of +120 Horsepower, and +87 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.

Brand:
Weistec - Corporate Logo
ES#:
4707948
Mfg#:
05-156-00094-0KT
Ships in 6 Business Days
$1399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4715389 - 05-260-00173-4 - Weistec Mercedes-Benz 2.0L M260 W.1 ECU Tune - Increase of +40 Horsepower, and +53 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! - Weistec - Mercedes Benz

Increase of +40 Horsepower, and +53 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

Brand:
Weistec - Corporate Logo
ES#:
4715389
Mfg#:
05-260-00173-4
Ships in 2 Business Days
$999.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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