Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

2015 Mercedes Benz CLS550 Base Sedan 218.373 V8 4.6L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 2015 Mercedes Benz CLS550 Base Sedan 218.373 V8 4.6L
Your Vehicle 2015 Mercedes Benz CLS550 Base Sedan 218.373 V8 4.6L
Change Clear

2015 Mercedes Benz CLS550 Base Sedan 218.373 V8 4.6L Engine Parts & Accessories

Sort By
Filter By
Return to Top

Crankcase Breather Replacement Kit - M278

Complete crankcase ventilation service kit for the Mercedes-Benz M278. Includes the crankcase vent valve, breather hoses with fittings, and air-oil separators for a proper PCV system refresh.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
5434949
Mfg#:
2780100431KT
Ships in 3 Business Days
$508.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Camshaft Adjuster - Left

Protect your engine's valvetrain and eliminate startup chain slack with this redesigned driver-side exhaust adjuster for your BiTurbo V8.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4774131
Mfg#:
2780507200
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.

$1350.00

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

$1254.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Camshaft Adjuster - Right

Protect your engine's valvetrain and eliminate startup chain slack with this redesigned passenger-side exhaust adjuster for your BiTurbo V8.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4774133
Mfg#:
2780507400
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.

$1400.00

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

$1301.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Reman Mercedes-Benz M278 4.6L V8 GDI LH 362HP-449hp 2011-2019 Left Side Turbocharger (MGT1752SL)

Replacement factory turbocharger - Price includes a $276.90 refundable core charge

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4423887
Mfg#:
278090378080KT
Ships in 3 Business Days
$3533.99

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

$3525.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Right Upper

From radiator to engine For cars with Auxiliary Heater (Code 228).

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2548246
Mfg#:
2125012682
Ships in 3 Business Days
$174.21 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 180 Amp

Price includes a refundable $213.99 core charge.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4820343
Mfg#:
000906860180KT
Ships in 3 Business Days
$1960.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured High Pressure Fuel Pump - Right

Price includes a $50.05 refundable core charge

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4044738
Mfg#:
278070120180KT
Ships in 3 Business Days
$765.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Engine Water Pump

Price includes a refundable $51.73 core charge

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4687900
Mfg#:
278200050180KT
Ships in 3 Business Days
$424.99

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

$423.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Assembly

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2746055
Mfg#:
2044704594
Ships in 3 Business Days
$215.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Negative Battery Terminal Cable

Includes Sensor

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2845899
Mfg#:
0009056702
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.

$160.00

This product was last offered at the strikethrough price on
07-30-2026

$148.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Updated Camshaft Adjuster Kit - Mercedes-Benz M278 / M157 V8

Silence the dreaded cold-start death rattle and bulletproof your BiTurbo V8's timing with this complete set of the latest, fully redesigned camshaft adjusters.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
5492382
Mfg#:
2780507400KT1
Ships in 3 Business Days
$5303.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M157 / M278 Valve Cover Reseal Kit

ES#5456803 - M157M278RSKT3 - M157 / M278 Valve Cover Reseal Kit - Reseal your leaking M157 or M278 valve covers the right way with genuine liquid sealant, new aluminum hardware, and high pressure fuel pump seals. - Genuine Mercedes Benz - Mercedes Benz

Reseal your leaking M157 or M278 valve covers the right way with genuine liquid sealant, new aluminum hardware, and high pressure fuel pump seals.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
5456803
Mfg#:
M157M278RSKT3
Ships in 4 Business Days
$473.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete M157 / M278 Engine Cylinder Head Valve Cover & Front Upper Timing Covers Reseal Kit

ES#5456410 - m157m278rsKT - Complete M157 / M278 Engine Cylinder Head Valve Cover & Front Upper Timing Covers Reseal Kit - Includes Genuine Mercedes-Benz Sealant, all new hardware, camshaft adjuster seals for a perfect reseal. - Genuine Mercedes Benz - Mercedes Benz

Includes Genuine Mercedes-Benz Sealant, all new hardware, camshaft adjuster seals for a perfect reseal.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
5456410
Mfg#:
M157M278RSKT
Ships in 4 Business Days
$800.99

This product was last offered at the strikethrough price on
04-14-2026

$781.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

UPD High Flow Cold Air Induction Kit - M278

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!

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

M157 / M278 Oil Filter Housing Assembly

Includes cap, filter and gasket 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5388749
Mfg#:
2781800710
Ships on Aug 18, 2026
Auto Notify
ON SALE! SAVE 21%
$112.99

This product was last offered at the strikethrough price on
05-02-2026

$89.75 USD
Free Shipping
on orders $49 and up

M157/M278 Cylinder Head Bolt - Set Of 20

M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5388726
Mfg#:
278016016964KT1
Ships on Aug 31, 2026
$291.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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