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Mercedes C300 Expansion Tank Reviews
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Shop Mercedes C300 Replacement Expansion Tank

Search our online expansion tank catalog and find the lowest priced discount auto parts on the web. We sell wholesale to the public. We offer high quality new, OEM, aftermarket and remanufactured Mercedes C300 Expansion Tank parts. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or SUV. Call toll free to order or place your order online via our secure checkout system. Our online parts catalog uses real-time inventory, so you can be assured the parts you buy are in stock at the time of ordering. Most orders are shipped the same day.

We stock these Expansion Tank brands for the Mercedes C300: ReplacementAPA/URO PartsDormanBehrContiTechGenuineSKPDIY SolutionsBrockMahle

Expansion Tanks available for the following Mercedes C300 years: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 09, 08. This part is also sometimes called Mercedes C300 Radiator Overflow Tank. We stock expansion tank parts for most Mercedes models including ML320, C230, SLK230, ML350, S500, ML500, ML430, S430, E350, GL450, S550, C240, E320, SL500, C280, E500, 560SL, CLS550, SLK320, 190E, CLA250, 300E, CLK430, 450SL, R350, Sprinter 2500, C320, CLS500, CLK320, 300D, CLK500, 300SDL, 380SL, ML55 AMG, 300SD, S55 AMG, Sprinter 3500, CL500, R500 and 500SL.

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Review Fitment Notes
Showing 20 of 168 Results
Replacement Expansion Tank - for 2020 Mercedes C300 - 123-198 Click to Enlarge
Website Reviews
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Part Number: 123-198
Brand: Replacement
Notes: Engine Coolant Reservoir -- Engine Coolant Reservoir Radiator Expansion Tank with Cap
Product Remark: 2055000049
Condition: New
Shipping Options: Free Ground Shipping
$41.95
with FREE Shipping
(11) In Stock
This Part Fits:
Catalog: E
Vehicle
2020 Mercedes C300
APA/URO Parts Expansion Tank - for 2008 Mercedes C300 - 2045000749 Click to Enlarge
Website Reviews
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Part Number: 2045000749
Brand: APA/URO Parts
Notes: Engine Coolant Reservoir
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
Condition: New
Shipping Options: Ground
$24.18
(13) In Stock
This Part Fits:
Catalog: B
Vehicle
2008 Mercedes C300
Front Dorman Expansion Tank - for 2009 Mercedes C300 3.0L V6 - 603-257 Click to Enlarge
5 Stars
Dorman 603-257
Expansion Tank
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Part Number: 603-257
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Color: Black and Clear
Package Contents: 1 Coolant Reservoir; 1 Cap
Shipping Options: Ground
$33.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2009 Mercedes C300 3.0L V6
Behr Expansion Tank - for 2008 Mercedes C300 - 204 500 07 49 Click to Enlarge
Website Reviews
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Part Number: 204 500 07 49
Brand: Behr
Notes: Coolant Expansion Tank
Condition: New
Shipping Options: Ground
$42.73
(3) In Stock
This Part Fits:
Catalog: G
Vehicle
2008 Mercedes C300
Front Dorman Expansion Tank - for 2008 Mercedes C300 3.0L V6 - 603-257 Click to Enlarge
5 Stars
Dorman 603-257
Expansion Tank
Loading Reviews...
Part Number: 603-257
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Color: Black and Clear
Package Contents: 1 Coolant Reservoir; 1 Cap
Shipping Options: Ground
$33.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2008 Mercedes C300 3.0L V6
Behr Expansion Tank - for 2012 Mercedes C300 - W0133-1978619 Click to Enlarge
Website Reviews
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Part Number: W0133-1978619
Brand: Behr
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$53.92
Our Price: $48.58
(55) In Stock
This Part Fits:
Catalog: A
Vehicle
2012 Mercedes C300
Front Dorman Expansion Tank - for 2010 Mercedes C300 3.0L V6 - 603-257 Click to Enlarge
5 Stars
Dorman 603-257
Expansion Tank
Loading Reviews...
Part Number: 603-257
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Color: Black and Clear
Package Contents: 1 Coolant Reservoir; 1 Cap
Shipping Options: Ground
$33.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2010 Mercedes C300 3.0L V6
APA/URO Parts Expansion Tank - for 2010 Mercedes C300 - 2045000749 Click to Enlarge
Website Reviews
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Part Number: 2045000749
Brand: APA/URO Parts
Notes: Engine Coolant Reservoir
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
Condition: New
Shipping Options: Ground
$24.18
(13) In Stock
This Part Fits:
Catalog: B
Vehicle
2010 Mercedes C300
ContiTech Expansion Tank - for 2008 Mercedes C300 3.0L V6 - EPT0029 Click to Enlarge
Website Reviews
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Part Number: EPT0029
Brand: ContiTech
Notes: Engine Coolant Reservoir
  • Produced from virgin plastic meeting/exceeding OE specifications and ensuring long life
  • Resistant to cracking and wear from heat cycles preventing coolant loss
  • Direct fitment allows easy installation
  • Manufactured to strict engineering standards/specifications in materials and tolerances
Condition: New
Shipping Options: Ground
$51.43
(5) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2008 Mercedes C300 3.0L V6
Behr Expansion Tank - for 2009 Mercedes C300 - 204 500 07 49 Click to Enlarge
Website Reviews
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Part Number: 204 500 07 49
Brand: Behr
Notes: Coolant Expansion Tank
Condition: New
Shipping Options: Ground
$42.73
(3) In Stock
This Part Fits:
Catalog: G
Vehicle
2009 Mercedes C300
Front Dorman Expansion Tank - for 2011 Mercedes C300 3.0L V6 - 603-257 Click to Enlarge
5 Stars
Dorman 603-257
Expansion Tank
Loading Reviews...
Part Number: 603-257
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Color: Black and Clear
Package Contents: 1 Coolant Reservoir; 1 Cap
Shipping Options: Ground
$33.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2011 Mercedes C300 3.0L V6
APA/URO Parts Expansion Tank - for 2009 Mercedes C300 - 2045000749 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 2045000749
Brand: APA/URO Parts
Notes: Engine Coolant Reservoir
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
Condition: New
Shipping Options: Ground
$24.18
(13) In Stock
This Part Fits:
Catalog: B
Vehicle
2009 Mercedes C300
APA/URO Parts Expansion Tank - for 2011 Mercedes C300 - 2045000749 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 2045000749
Brand: APA/URO Parts
Notes: Engine Coolant Reservoir
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
Condition: New
Shipping Options: Ground
$24.18
(13) In Stock
This Part Fits:
Catalog: B
Vehicle
2011 Mercedes C300
Genuine Expansion Tank - for 2021 Mercedes C300 - 205 500 00 49 Click to Enlarge
Website Reviews
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Part Number: 205 500 00 49
Brand: Genuine
Notes: Coolant Expansion Tank
Condition: New
Shipping Options: Ground
$76.73
(4) In Stock
This Part Fits:
Catalog: G
Vehicle
2021 Mercedes C300
SKP Expansion Tank - for 2019 Mercedes C300 2.0L 4 Cyl - SK123198 Click to Enlarge
Website Reviews
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Part Number: SK123198
Brand: SKP
Notes: Engine Coolant Reservoir
  • OE Style for easy replacement and fitment
Condition: New
Shipping Options: Ground
$32.97
(2) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
2019 Mercedes C300 2.0L 4 Cyl
Front Dorman Expansion Tank - for 2014 Mercedes C300 3.5L V6 - 603-257 Click to Enlarge
5 Stars
Dorman 603-257
Expansion Tank
Loading Reviews...
Part Number: 603-257
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Color: Black and Clear
Package Contents: 1 Coolant Reservoir; 1 Cap
Shipping Options: Ground
$37.08
View Details
This Part Fits:
Catalog: H
Vehicle Engine
2014 Mercedes C300 3.5L V6
APA/URO Parts Expansion Tank - for 2019 Mercedes C300 - 2055000049 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 2055000049
Brand: APA/URO Parts
Notes: Engine Coolant Reservoir -- Cap not included
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
Condition: New
Shipping Options: Ground
$24.72
View Details
This Part Fits:
Catalog: C
Vehicle
2019 Mercedes C300
DIY Solutions Expansion Tank - for 2019 Mercedes C300 - HVA03363 Click to Enlarge
Website Reviews
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Part Number: HVA03363
Brand: DIY Solutions
Notes: Engine Coolant Reservoir
  • Direct Fit Replacement
  • Quality Tested - built to a strict level of product standards.
Condition: New
Shipping Options: Free Ground Shipping
$43.95
with FREE Shipping
View Details
This Part Fits:
Catalog: Q
Vehicle
2019 Mercedes C300
Brock Expansion Tank - for 2016 Mercedes C300 - 8667-0039 Click to Enlarge
Website Reviews
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Part Number: 8667-0039
Brand: Brock
Notes: Engine Coolant Reservoir -- 92-16 Mercedes-Benz Various Models Coolant Recovery Tank Cap 04-08 Chrysler Crossfire
Condition: New
Shipping Options: Free Ground Shipping
$14.98
with FREE Shipping
View Details
This Part Fits:
Catalog: K
Vehicle
2016 Mercedes C300
Mahle Expansion Tank - for 2015 Mercedes C300 - CRT 209 000S Click to Enlarge
Website Reviews
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Part Number: CRT 209 000S
Brand: Mahle
Notes: Engine Coolant Reservoir
Condition: New
Shipping Options: Ground
$40.97
(1) In Stock
This Part Fits:
Catalog: N
Vehicle
2015 Mercedes C300

Related Cooling System Parts

Mercedes C300 Expansion Tank Reviews
5 of 5
Verified Customer
3/21/19 04:58 AM - USA

2009 C300 @ 196k miles

Parts geek is awesome. The website makes everything easy to find for your vehicle. Received expansion tank within a week and took me 10 minutes to change after changing the thermostat, which only took another 45 mins. - Big Q

- 2009 Mercedes C300 Expansion Tank
5 of 5
Verified Customer
9/29/19 01:39 PM - USA

Very good item, did the job for the problem I had. Fairly east to install. - Dino

- 2008 Mercedes C300 Expansion Tank