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Mercedes Benz C300 Performance Parts & Upgrades

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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!

Brand:
Weistec - Corporate Logo
ES#:
4708069
Mfg#:
05-274-00053-6KT
Ships in 1 Business Day
$999.00 USD
This product is lifetime replacement eligible Partial Replacement
ES#4715380 - 05-725-00162-8 - Weistec Mercedes-Benz 9 Speed Transmission Tune - 9G 925.9  - Faster Shifts, Firmer Shifts, and Increased Torque Capacity! - Weistec - Mercedes Benz

Faster Shifts, Firmer Shifts, and Increased Torque Capacity! Please call 330-331-2003 with your VIN to so that we can verify compatibility with your specific vehicle.

Brand:
Weistec - Corporate Logo
ES#:
4715380
Mfg#:
05-725-00162-8
Ships in 1 Business Day
$1829.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes
2X Entries For Our Spin To Win Sweepstakes!

Brand:
Bilstein - Corporate Logo
ES#:
4390687
Mfg#:
46-268617
Ships in 3 Business Days
$1209.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A high performance street pad, featuring Kevlar technology. 2X Entries Into Our F80 M3 Sweepstakes
FMSI Pad No. D1794; Pad Dimensions: 175.1 x 69 x 18.7mm

Brand:
EBC - Corporate Logo
ES#:
3132110
Mfg#:
DP32214C
Ships in 1 Business Day
5% off MSRP

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

$221.99

This product was last offered at the strikethrough price on
11-03-2026

$210.99 USD
Free Shipping

A high performance street pad, featuring Kevlar technology. 2X Entries Into Our F80 M3 Sweepstakes
2X Entries For Our Spin To Win Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
3132111
Mfg#:
DP32215C
Ships in 1 Business Day
5% off MSRP

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

$165.99

This product was last offered at the strikethrough price on
11-03-2026

$157.99 USD
Free Shipping

Precision manufactured and featuring a GeoSpec® corrosion-resistant coating 10X Entries Into Our F80 M3 Sweepstakes
For cars with AMG Sport Package, or Sport Brake System (Code P31, or U29). Not for cars with Ceramic Brake System (Code 944).

Brand:
ECS - Corporate Logo
ES#:
5425415
Mfg#:
0004212212-XKT
Ships in 5 Business Days
ON SALE!
$245.99

This product was last offered at the strikethrough price on
06-13-2026

$238.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Precision manufactured and featuring a GeoSpec® corrosion-resistant coating 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5425687
Mfg#:
2044211012-PKT
Ships in 5 Business Days
ON SALE!
$199.99

This product was last offered at the strikethrough price on
06-13-2026

$193.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Precision manufactured for consistent stopping power during high performance driving. Featuring a GeoSpec® corrosion-resistant coating. 10X Entries Into Our F80 M3 Sweepstakes
For cars with vented brake discs.

Brand:
ECS - Corporate Logo
ES#:
5444718
Mfg#:
0004231812-XSKT
Ships in 5 Business Days
$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lower Spring with Adjustable Perches to Fine Tune the perfect height We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4158365
Mfg#:
23002-3
Ships in 3 Business Days
10% off MSRP

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

$995.00

This product was last offered at the strikethrough price on
09-30-2026

$895.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Variant 1 coilovers offer the best balance between sporty driving and comfort

Brand:
KW Suspension - Corporate Logo
ES#:
5516556
Mfg#:
10225083
Ships in 4 Business Days
$2344.00 USD
Free Shipping

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
11-03-2026

$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

US Spec Set - OEM Supplier! For cars with (Code 620).

Brand:
ULO - Corporate Logo
ES#:
5470228
Mfg#:
2059061802KT1
Ships in 1 day
$383.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Right For cars with (Code 620).

Brand:
ULO - Corporate Logo
ES#:
3146507
Mfg#:
2059061902
Ships in 1 day
$214.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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

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Manufacturer names and/or part numbers are used only for identification purposes.

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