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Mercedes Benz C300 Engine Cooling Parts

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Upgraded Engine Coolant Pipe

ES#5386636 - 2642008600 - Upgraded Engine Coolant Pipe - 304 Stainless Steel vs OEM Plastic - Left Coolant Pipe - to Block. - URO Premium - Mercedes Benz

304 Stainless Steel vs OEM Plastic - Left Coolant Pipe - to Block. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
5386636
Mfg#:
2642008600
Ships in 1 Business Day
$103.99 USD
Free Shipping
on orders $49 and up

Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb

ES#2971417 - 015326SCH01A - Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb - Straighten bent radiator or intercooler fins that block air flow - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Straighten bent radiator or intercooler fins that block air flow 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2971417
Mfg#:
015326SCH01A
In Stock
ON SALE!
$15.99

This product was last offered at the strikethrough price on
05-10-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Temperature Sensor

ES#5374235 - 2219055600 - Engine Coolant Temperature Sensor - Environmental Air Catalyst Sensor on Radiator Only - Bremmen Parts - BMW Mercedes Benz MINI

Environmental Air Catalyst Sensor on Radiator Only 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374235
Mfg#:
2219055600
Ships on Feb 24, 2027
ON SALE!
$113.59 USD
Free Shipping
on orders $49 and up

Thermostat Assembly

ES#4043114 - 2742000115 - Thermostat Assembly - Keep the coolant flowing with a properly functioning thermostat - Bremmen Parts - Mercedes Benz

Keep the coolant flowing with a properly functioning thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4043114
Mfg#:
2742000115
In Stock
ON SALE! SAVE 16%
$155.99

This product was last offered at the strikethrough price on
10-08-2026

$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Service Kit

ES#4464214 - 2762001301KT - Water Pump Service Kit - Includes everything needed to replace your water pump. Price includes a $46.15 refundable core charge. - Genuine Mercedes Benz - Mercedes Benz

Includes everything needed to replace your water pump. Price includes a $46.15 refundable core charge.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4464214
Mfg#:
2762001301KT
Back Ordered
$1248.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

8 Piece Fluid Line Stopper Kit

ES#2748908 - 005939SCH01A - 8 Piece Fluid Line Stopper Kit - This kit contains 2 of each size Shark type clamps designed to make a temporary seal on the end of an open line. Includes clamps with 5/16",3/8" and 1/2" open slot. Also contains double seal clamps for banjo style fittings. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

This kit contains 2 of each size Shark type clamps designed to make a temporary seal on the end of an open line. Includes clamps with 5/16",3/8" and 1/2" open slot. Also contains double seal clamps for banjo style fittings. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2748908
Mfg#:
005939SCH01A
In Stock
ON SALE!
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Anti-Freeze / Coolant - 1 Gallon G48

ES#4440225 - Q6880187 - Anti-Freeze / Coolant - 1 Gallon G48 - Zerex G-48 Coolant - Genuine Mercedes Benz - Mercedes Benz

Zerex G-48 Coolant Mercedes-branded coolant is no longer available. This Zerex-branded coolant is the same coolant that is sold at the Mercedes dealer parts department.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4440225
Mfg#:
Q6880187
In Stock
3% off MSRP

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

$31.00

This product was last offered at the strikethrough price on
11-02-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Relief Flush

ES#2608077 - 040202 - Radiator Relief Flush - Concentrated cleansing agent that effectively cleans your cooling system! - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Concentrated cleansing agent that effectively cleans your cooling system!

Brand:
DEI - Corporate Logo
ES#:
2608077
Mfg#:
040202
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4049225 - 2742003400 - Thermostat Assembly - Engine Coolant Thermostat / Water Inlet Assembly - Genuine Mercedes Benz - Mercedes Benz

Engine Coolant Thermostat / Water Inlet Assembly For cars with (Code M014)

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4049225
Mfg#:
2742003400
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.

$240.00

This product was last offered at the strikethrough price on
11-02-2026

$222.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4883493 - 2742003100 - Thermostat Assembly - Includes housing & seals - Rein - Mercedes Benz

Includes housing & seals 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Not for cars with (Code 920, or M014).

Brand:
Rein - Corporate Logo
ES#:
4883493
Mfg#:
2742003100
In Stock
$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#2549125 - 2722000415 - Thermostat Assembly - Includes new gasket - Genuine Mercedes Benz - Mercedes Benz

Includes new gasket

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2549125
Mfg#:
2722000415
Ships in 2 Business Days
6% off MSRP

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

$125.00

This product was last offered at the strikethrough price on
11-02-2026

$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Meyle Anti-Freeze / Coolant Concentrate - 1.5 Liter (G13)

ES#5443792 - 0140169600 - Meyle Anti-Freeze / Coolant Concentrate - 1.5 Liter (G13) - Lilac OE VW/Audi specification concentrate lifetime coolant. Meets MB 325.5 Specification. - Meyle - Audi Volkswagen Mercedes Benz

Lilac OE VW/Audi specification concentrate lifetime coolant. Meets MB 325.5 Specification. 5X Entries Into Our F80 M3 Sweepstakes

Brand:
Meyle - Corporate Logo
ES#:
5443792
Mfg#:
0140169600
In Stock
$18.99 USD
Free Shipping
on orders $49 and up

Anti-Freeze / Coolant - 1.5 Liter

ES#1912 - AF G001100 - Anti-Freeze / Coolant - 1.5 Liter - Blue Pentofrost Antifreeze coolant in color. Meets VAG G11 and MB 325.0 standards. - Pentosin - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Blue Pentofrost Antifreeze coolant in color. Meets VAG G11 and MB 325.0 standards. Mercedes-Benz Specification Sheet 325.0 (Blue Coolant)

Brand:
Pentosin - Corporate Logo
ES#:
1912
Mfg#:
AF G001100
In Stock
$14.99 USD
Free Shipping
on orders $49 and up

Radiator Stop-Leak - 250mL

ES#3514566 - 20132 - Radiator Stop-Leak - 250mL - Put a stop to that coolant leak! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Put a stop to that coolant leak! 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514566
Mfg#:
20132
In Stock
47% off MSRP

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

$16.99

This product was last offered at the strikethrough price on
08-31-2026

$8.99 USD
Free Shipping
on orders $49 and up

Water Pump & Thermostat Kit

ES#4906328 - 2742000900KT - Water Pump & Thermostat Kit - Includes a Genuine Mercedes-Benz Water Pump, Thermostat, and 1 gallon of pink G40 coolant concentrate. - Genuine Mercedes Benz - Mercedes Benz

Includes a Genuine Mercedes-Benz Water Pump, Thermostat, and 1 gallon of pink G40 coolant concentrate. Not for cars with (Code 806, 807, 808, 809, 920 or M014).

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4906328
Mfg#:
2742000900KT
Ships in 4 Business Days
$580.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps.

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

Let us help you find the parts that fit your Mercedes Benz

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