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Mercedes Benz C300 Performance Engine Parts

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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!

Brand:
Weistec - Corporate Logo
ES#:
4708070
Mfg#:
05-274-00054-7KT
Ships in 1 Business Day
$1099.00 USD
This product is lifetime replacement eligible Partial Replacement

OE Mitsubishi Replacement Turbocharger

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4847235
Mfg#:
2540908200
Ships in 1 day
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$4170.00

This product was last offered at the strikethrough price on
11-02-2026

$3886.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OE Mitsubishi Replacement Turbocharger

Brand:
Mitsubishi Turbocharger - Corporate Logo
ES#:
5457322
Mfg#:
2540908200
Ships in 1 day
$2887.99

This product was last offered at the strikethrough price on
05-07-2026

$2805.00 USD
Free Shipping
on orders $49 and up

***Please see photos and description prior to ordering, all sales final.*** Wirelessly connect your JB4 to your phone! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5529294
Mfg#:
JB4-SPWCK-FSD6
Ships in 1 Business Day
Limited Qty Sale
$158.99

This product was last offered at the strikethrough price on
10-30-2026

$110.99 USD
Free Shipping
on orders $49 and up
ES#4736348 - 272078002380KT - Remanufactured Fuel Injector - Priced Each  - Price includes a refundable $10.72 core charge per injector. Don't let faulty or clogged injectors hinder performance - Genuine Mercedes Benz - Mercedes Benz

Price includes a refundable $10.72 core charge per injector. Don't let faulty or clogged injectors hinder performance For cars with Partial Zero Emissions (Code 917).

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4736348
Mfg#:
272078002380KT
Ships in 3 Business Days
$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Don't let a bad intercooler leak your boost

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2972142
Mfg#:
2740900614
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$484.00

This product was last offered at the strikethrough price on
11-02-2026

$449.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Don't replace your perfectly good turbocharger. Save thousands and cure your M264 underboost issues with this replacement actuator.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4034676
Mfg#:
2649062800
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$424.00

This product was last offered at the strikethrough price on
11-02-2026

$394.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

The FX350 makes your injectors flow 40% more fuel before maxing out the injection window limitations. *Tuning is required*

Brand:
Spool Performance - Corporate Logo
ES#:
4736444
Mfg#:
SP-FX350-M276
Special Order: No Guaranteed ETA
$2799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dyno-tested results show up to +15 horsepower and +20 Nm torque at around 5500 RPM! Precision engineered for performance, refinement, and unmistakable presence.

Brand:
MST Performance - Corporate Logo
ES#:
5340414
Mfg#:
MB-C3002
Special Order: No Guaranteed ETA
$616.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4855379 - 2742004800 - Water Pump - Keep your Mercedes engine cool and to proper temperature - Vemo - Mercedes Benz

Keep your Mercedes engine cool and to proper temperature

Brand:
Vemo - Corporate Logo
ES#:
4855379
Mfg#:
2742004800
Special Order: No Guaranteed ETA
$237.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep your Mercedes engine cool and to proper temperature

Brand:
Pierburg - Corporate Logo
ES#:
5375116
Mfg#:
2742004800
Special Order: No Guaranteed ETA
$521.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5395950 - 30-10333 - Magnum FLOW Pro 5R Air Filter - Unleash up to 23% more airflow with the aFe Pro 5R-your durable, washable, track-ready air filter engineered for maximum performance and a perfect seal every time. - AFE - Mercedes Benz

Unleash up to 23% more airflow with the aFe Pro 5R-your durable, washable, track-ready air filter engineered for maximum performance and a perfect seal every time.

Brand:
AFE - Corporate Logo
ES#:
5395950
Mfg#:
30-10333
Back Ordered
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$88.99

This product was last offered at the strikethrough price on
11-02-2026

$71.00 USD
Free Shipping
on orders $49 and up
ES#5375101 - BBCAIS012 - Mercedes M274 Cold Air Intake System - Upgrade your Mercedes with the BlackBoost High-Performance Cold Air Intake Systemdesigned for power enthusiasts who demand enhanced performance, efficiency, and style. - BlackBoost - Mercedes Benz

Upgrade your Mercedes with the BlackBoost High-Performance Cold Air Intake System—designed for power enthusiasts who demand enhanced performance, efficiency, and style.

Brand:
BlackBoost - Corporate Logo
ES#:
5375101
Mfg#:
BBCAIS012
Back Ordered
$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

Let us help you find the parts that fit your Mercedes Benz

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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