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Mercedes Benz C300 Performance Parts & Upgrades

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KW DDC Plug & Play Coilover Kit

ES#5516526 - 39025014 - KW DDC Plug & Play Coilover Kit - Plug and play kit for vehicles with electronically controlled suspensions - KW Suspension - Mercedes Benz

Plug and play kit for vehicles with electronically controlled suspensions

Brand:
KW Suspension - Corporate Logo
ES#:
5516526
Mfg#:
39025014
Back Ordered
$4494.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW Coilover Kit V2

ES#5516558 - 15225083 - KW Coilover Kit V2 - Variant 2 coilovers offer sport handling with adjustable rebound dampening - KW Suspension - Mercedes Benz

Variant 2 coilovers offer sport handling with adjustable rebound dampening

Brand:
KW Suspension - Corporate Logo
ES#:
5516558
Mfg#:
15225083
Back Ordered
$2884.00 USD
Free Shipping

KW Coilover Kit V3

ES#5516549 - 35225093 - KW Coilover Kit V3 - The ultimate in coilover technology featuring double adjustable damping. - KW Suspension - Mercedes Benz

The ultimate in coilover technology featuring double adjustable damping.

Brand:
KW Suspension - Corporate Logo
ES#:
5516549
Mfg#:
35225093
Back Ordered
$3594.00 USD
Free Shipping

KW Coilover Kit V3

ES#5516547 - 35225083 - KW Coilover Kit V3 - The ultimate in coilover technology featuring double adjustable damping. - KW Suspension - Mercedes Benz

The ultimate in coilover technology featuring double adjustable damping.

Brand:
KW Suspension - Corporate Logo
ES#:
5516547
Mfg#:
35225083
Back Ordered
$3594.00 USD
Free Shipping

Fuel Pump Assembly

ES#4876566 - 2044700894 - Fuel Pump Assembly - Includes fuel level sensor - URO - Mercedes Benz

Includes fuel level sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For Ethanol Fuel E85 (Code 929)

Brand:
URO - Corporate Logo
ES#:
4876566
Mfg#:
2044700894
Back Ordered
$190.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front V5 Drilled & Slotted Brake Rotors - Pair (342x32)

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 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#:
5425416
Mfg#:
0004212212-XSKT
Back Ordered
ON SALE!
$331.99

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

$322.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Black Chrome - Pair

ES#2986535 - 006555ecs04a02KT - ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Black Chrome - Pair - Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet 10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
2986535
Mfg#:
006555ECS04A02KT
In Stock
ON SALE! SAVE 10%
$155.99

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

$140.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Chrome - Pair

ES#2986534 - 006555ecs04a01KT - ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Chrome - Pair - Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet 10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
2986534
Mfg#:
006555ECS04A01KT
In Stock
ON SALE! SAVE 15%
$155.99

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

$132.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remote Vacuum Exhaust Valve Control Kit

ES#4883843 - 004788LA01 - Remote Vacuum Exhaust Valve Control Kit - Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers. - ECS - Audi BMW Volkswagen Mercedes Benz MINI

Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers. 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4883843
Mfg#:
004788LA01
In Stock
ON SALE! SAVE 10%
$100.99

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

$90.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AEM X-Series Wideband UEGO AFR Sensor Controller Gauge

ES#3499783 - 30-0300 - AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - X-Digital Technology - 8.50:1 to 18:1 AFR Scale - AEM Electronics - Audi BMW Volkswagen Mercedes Benz MINI Porsche

X-Digital Technology - 8.50:1 to 18:1 AFR Scale

Brand:
AEM Electronics - Corporate Logo
ES#:
3499783
Mfg#:
30-0300
In Stock
11% off MSRP

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

$259.99

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

$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS UNIVERSAL Swivel Exhaust Tip - 3.5" Black Chrome - Priced each

ES#2903341 - 006555ECS04A02 - ECS UNIVERSAL Swivel Exhaust Tip - 3.5" Black Chrome - Priced each - Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet 10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
2903341
Mfg#:
006555ECS04A02
In Stock
ON SALE! SAVE 10%
$77.99

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

$70.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS UNIVERSAL Swivel Exhaust Tip - 4.0" Black Chrome - Priced Each

ES#2918636 - 003358ECS03A02 - ECS UNIVERSAL Swivel Exhaust Tip - 4.0" Black Chrome - Priced Each - Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet 10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
2918636
Mfg#:
003358ECS03A02
In Stock
ON SALE!
$113.99

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

$110.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Fitment Kit

ES#2784343 - 001202ECS03A - Wheel Spacer Fitment Kit - Designed to test fit different size wheel spacers on almost any European car. - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to test fit different size wheel spacers on almost any European car. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2784343
Mfg#:
001202ECS03A
In Stock
ON SALE!
$178.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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