Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 2012 Mercedes Benz CLS550 Base Sedan 218.373 V8 4.6L

2012 Mercedes Benz CLS550 Base Sedan 218.373 V8 4.6L Performance Parts & Upgrades

Sort By
Filter By
Return to Top
ES#4707951 - 05-278-00060-8KT - Weistec Mercedes-Benz AMG M278 W.2 ECU Tune  - Increase of +159 Horsepower, and +322 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 +159 Horsepower, and +322 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This software is only compatible with Windows PC / Laptop.

Brand:
Weistec - Corporate Logo
ES#:
4707951
Mfg#:
05-278-00060-8KT
Ships on Jul 21, 2026
$1899.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

EBC's premium sport street pad that offers high friction levels and heat fade resistance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our Spin To Win Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
2620464
Mfg#:
DP42138R
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.

$332.99

This product was last offered at the strikethrough price on
06-25-2026

$315.99 USD
Free Shipping

For those trying to make big power, this can push you up to 1200WHP with supporting mods, and tuning. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spool Performance - Corporate Logo
ES#:
4736465
Mfg#:
SP-LS3-M278
Special Order: No Guaranteed ETA
$1199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5470454 - MBCABK278 - UPD High Flow Cold Air Induction Kit - M278 - Unlock hidden M157 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains of up to 25WHP! - Ultimate Performance And Design  - Mercedes Benz

Unlock hidden M157 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains of up to 25WHP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ultimate Performance And Design  - Corporate Logo
ES#:
5470454
Mfg#:
MBCABK278
Ships in 6 Business Days
$450.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#5434395 - HVW-834 - HPA Spacers - 25mm (1 Pair) Black - Get that stance that you've been craving with these new spacers - HPA Motorsports - Audi Mercedes Benz Porsche

Get that stance that you've been craving with these new spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HPA Motorsports - Corporate Logo
ES#:
5434395
Mfg#:
HVW-834
Ships on Jul 20, 2026
$160.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

The stock HPFP on the M278 Motors is severely limited in capacity when trying to raise the output of the motor. The FX-170 adds 50% more flow, raising the fueling limits and helping you achieve more power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spool Performance - Corporate Logo
ES#:
4736464
Mfg#:
SP-FX-M278
Special Order: No Guaranteed ETA
$3499.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5375398 - J-18-DS - DS Series Coilover Suspension Kit - 2012-2018 Mercedes-Benz CLS-Class RWD - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Mercedes Benz

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only For Cars Without Factory Air Suspension

Brand:
BC Racing - Corporate Logo
ES#:
5375398
Mfg#:
J-18-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2855201 - SN0210 - Stage 2.5 Boost-Controlled Water/Meth Injection Kit - Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Gauge Pod controller, for optimum control even from the driver's seat!

Brand:
SnowPerformance - Corporate Logo
ES#:
2855201
Mfg#:
SN0210
In Stock
$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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
ES#3658972 - 020923ECS01 -  Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Single Cutout - Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3658972
Mfg#:
020923ECS01
In Stock
ON SALE!
Starting at $57.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3458268 - 022798tms01-09KT - Complete Universal Turner Baffled Oil Catch Can Kit - 10oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

A 4 chamber, baffled oil catch can complete with a universal mount and drain system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458268
Mfg#:
022798TMS01-09KT
In Stock
ON SALE! SAVE 15%
$305.99

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

$260.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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
ES#3458264 - 022798tms01-07KT - Complete Turner Baffled Oil Catch Can Kit - 8oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A 4 chamber, baffled oil catch can complete with a universal mount and drain system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458264
Mfg#:
022798TMS01-07KT
Ships in 3 Business Days
ON SALE! SAVE 15%
$336.99

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

$286.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-25-2026

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

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings