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2020 Mercedes Benz SLC300 Base Convertible 172.438 L4 2.0L

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Your Vehicle 2020 Mercedes Benz SLC300 Base Convertible 172.438 L4 2.0L
Your Vehicle 2020 Mercedes Benz SLC300 Base Convertible 172.438 L4 2.0L
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2020 Mercedes Benz SLC300 Base Convertible 172.438 L4 2.0L Performance ECU Software / Tuning

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Eurocharged Stage 1 M274 ECU Tune

ES#5493245 - ec-10109-1KT - Eurocharged Stage 1 M274 ECU Tune - Unleash +9 horsepower and +22 lb-ft of torque on your M274 powered Mercedes with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes! - Eurocharged - Mercedes Benz

Unleash +9 horsepower and +22 lb-ft of torque on your M274 powered Mercedes with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes!

Brand:
Eurocharged - Corporate Logo
ES#:
5493245
Mfg#:
EC-10109-1KT
In Stock at Vendor
ON SALE! SAVE 20%
$1398.00

This product was last offered at the strikethrough price on
09-01-2026

$1118.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Eurocharged Stage 2 M274 ECU Tune

ES#5493246 - ec-10109-2KT - Eurocharged Stage 2 M274 ECU Tune - Unleash +37 horsepower and +40 lb-ft of torque on your M274 powered Mercedes with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes! - Eurocharged - Mercedes Benz

Unleash +37 horsepower and +40 lb-ft of torque on your M274 powered Mercedes with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes!

Brand:
Eurocharged - Corporate Logo
ES#:
5493246
Mfg#:
EC-10109-2KT
In Stock at Vendor
ON SALE! SAVE 20%
$1498.00

This product was last offered at the strikethrough price on
09-01-2026

$1198.40 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Weistec Mercedes-Benz M274 W.1 ECU Tune

ES#4708069 - 05-274-00053-6KT - Weistec Mercedes-Benz M274 W.1 ECU Tune - Increase of +7 Horsepower, and +22 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 +7 Horsepower, and +22 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! This software is only compatible with Windows PC / Laptop.

Brand:
Weistec - Corporate Logo
ES#:
4708069
Mfg#:
05-274-00053-6KT
Ships in 2 Business Days
ON SALE! SAVE 15%
$999.00

This product was last offered at the strikethrough price on
09-01-2026

$849.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Weistec Mercedes-Benz M274 W.2 ECU Tune

ES#4708070 - 05-274-00054-7KT - Weistec Mercedes-Benz M274 W.2 ECU Tune - Increase of +15 Horsepower, and +45 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 +15 Horsepower, and +45 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! This software is only compatible with Windows PC / Laptop.

Brand:
Weistec - Corporate Logo
ES#:
4708070
Mfg#:
05-274-00054-7KT
Ships in 2 Business Days
ON SALE! SAVE 15%
$1099.00

This product was last offered at the strikethrough price on
09-01-2026

$934.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

More About Performance ECU Software / Tuning

Add power and performance with special ECU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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