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Your Vehicle 2021 Mercedes Benz C300 Base Convertible 205.483 L4 2.0L

2021 Mercedes Benz C300 Base Convertible 205.483 L4 2.0L Performance Parts & Upgrades

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Precision manufactured for consistent stopping power during high performance driving. Featuring a GeoSpec® corrosion-resistant coating. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Not for cars with AMG Sport Package, or Sport Brake System (Code P31, or U29), or Ceramic Brake System (Code 944).

Brand:
ECS - Corporate Logo
ES#:
5434941
Mfg#:
0004212712-XSKT
In Stock
ON SALE!
$298.99

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

$289.13 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4029270 - 48-241373 - Bilstein B16 PSS10 Suspension System - Features ride height adjustability with dampers compatible with OE electronic damping systems. - Bilstein - Mercedes Benz

Features ride height adjustability with dampers compatible with OE electronic damping systems. 10X Entries Into Our F80 M3 Sweepstakes
2X Entries For Our Spin To Win Sweepstakes!

Brand:
Bilstein - Corporate Logo
ES#:
4029270
Mfg#:
48-241373
Ships in 4 Business Days
$2399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5515773 - 2055665SWKT1 - H&R Wheel Spacer Kit 10mm - W205 C-Class - Featuring 10mm H&R Wheel Spacers & Ball Seat Wheel Bolts 14x1.5x40mm for OEM wheels! - H&R - Mercedes Benz

Featuring 10mm H&R Wheel Spacers & Ball Seat Wheel Bolts 14x1.5x40mm for OEM wheels! 5X Entries For Our Spin To Win Sweepstakes!

Brand:
H&R - Corporate Logo
ES#:
5515773
Mfg#:
2055665SWKT1
Ships in 4 Business Days
$146.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4852507 - 25325083 - KW H.A.S. Height Adjustable Spring Kit - Mercedes C Class Convertible;  2WD Without Electronic Dampers - Lower your car without impacting air or electronic suspension! - KW Suspension - Mercedes Benz

Lower your car without impacting air or electronic suspension! Body num doors: 2-dr, Body: Convertible, 127: Not for vehicles with air suspension., 62: Not for vehicles with electronic damping, 91: Front and rear height adjustable (front and rear springs with threaded height adjusters). Stock shock absorbers includin

Brand:
KW Suspension - Corporate Logo
ES#:
4852507
Mfg#:
25325083
Ships in 4 Business Days
$1364.00 USD
Free Shipping
ES#5375202 - 05-004-00314-7 - Weistec Mercedes-Benz M264 ECU Tune W.1 - Increase of +26 Horsepower, and +40 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 +26 Horsepower, and +40 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#:
5375202
Mfg#:
05-004-00314-7
Ships in 1 Business Day
$999.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5375200 - 05-004-00315-8 - Weistec Mercedes-Benz M264 ECU Tune W.2 - Increase of +41 Horsepower, and +55 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 +41 Horsepower, and +55 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#:
5375200
Mfg#:
05-004-00315-8
Ships in 1 Business Day
$1199.00 USD
Free Shipping
on orders $49 and up

Precision manufactured and featuring a GeoSpec® corrosion-resistant coating 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win 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 for consistent stopping power during high performance driving. Featuring a GeoSpec® corrosion-resistant coating. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win 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

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

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#5516191 - 4055665SWKT2 - H&R Wheel Spacer Kit 20mm - W205 C-Class  - Featuring 20mm H&R Wheel Spacers & Ball Seat Wheel Bolts 14x1.5x50mm for OEM wheels! - H&R - Mercedes Benz

Featuring 20mm H&R Wheel Spacers & Ball Seat Wheel Bolts 14x1.5x50mm for OEM wheels! 5X Entries For Our Spin To Win Sweepstakes!

Brand:
H&R - Corporate Logo
ES#:
5516191
Mfg#:
4055665SWKT2
Back Ordered
$161.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
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

Precision manufactured for consistent stopping power during high performance driving. Featuring a GeoSpec® corrosion-resistant coating. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win 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

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