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

2025 Mercedes Benz GLC300 4Matic Coupe 254.347 L4 2.0L

    • 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 2025 Mercedes Benz GLC300 4Matic Coupe 254.347 L4 2.0L
Your Vehicle 2025 Mercedes Benz GLC300 4Matic Coupe 254.347 L4 2.0L
Change Clear

2025 Mercedes Benz GLC300 4Matic Coupe 254.347 L4 2.0L Engine Cooling Parts

Sort By
Filter By
Return to Top

Turbocharger Coolant Line

ES#5341125 - 2742031000 - Turbocharger Coolant Line - Return Line - Rein - Mercedes Benz

Return Line 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341125
Mfg#:
2742031000
Ships in 3 Business Days
$25.99 USD
Free Shipping
on orders $49 and up

Water Pump

Keep your engine cool

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4637944
Mfg#:
2542003000
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.

$412.00

This product was last offered at the strikethrough price on
03-10-2026

$382.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Coolant Line

Return Line

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
3474594
Mfg#:
2742031000
Ships in 3 Business Days
5% off MSRP

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

$40.00

This product was last offered at the strikethrough price on
08-13-2026

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

Used in multiple applications for Battery Cooling System, Low Temperature Cooling or Circulating Pump Heater. 2X Entries For Our 25th Anniversary Sweepstakes!
For cars with Additional Warm Water Heating (Code 228).

Brand:
Bosch - Corporate Logo
ES#:
5457699
Mfg#:
0005000900
Ships in 1 day
$183.99

This product was last offered at the strikethrough price on
05-07-2026

$178.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

Used in multiple applications for Battery Cooling System, Low Temperature Cooling or Circulating Pump Heater. For cars with Additional Warm Water Heating (Code 228).

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
3580629
Mfg#:
0005000900
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.

$135.00

This product was last offered at the strikethrough price on
08-13-2026

$125.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine Water Pump & Thermostat Kit - M254

Incldues Genuine Mercedes-Benz Water pump, thermostat, coolant flanges/hoses and coolant.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
5456946
Mfg#:
2542003000KT
Ships in 3 Business Days
$987.99 USD
This product is lifetime replacement eligible Partial Replacement

Coolant Pump

Low Temperature

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4494890
Mfg#:
0005000801
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.

$270.00

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

$250.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

Includes sealing o-ring

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4526871
Mfg#:
2542003300
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.

$150.00

This product was last offered at the strikethrough price on
08-13-2026

$139.99 USD

Coolant Pump

ES#5457759 - 0005000801 - Coolant Pump - Low Temperature - Febi - Mercedes Benz

Low Temperature 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Febi - Corporate Logo
ES#:
5457759
Mfg#:
0005000801
Special Order: No Guaranteed ETA
$367.99 USD

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

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