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Heating and Cooling› Overflow Tanks and Catch Cans

Mercedes-Benz

Coolant Breather Line

$40.00 $38.50 Save $1.50

SKU: MB2045011125

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Mercedes-Benz Coolant Breather Line is a Genuine Mercedes replacement part for your vehicle's cooling system. It connects the expansion tank to the radiator. This part is made in Poland.
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This Genuine Mercedes-Benz Coolant Breather Line (part number 2045011125) is designed to connect the coolant expansion tank to the radiator on a wide range of Mercedes-Benz models. It is a direct replacement for the original equipment part, ensuring proper fitment and function. Manufactured in Poland, this breather line is constructed to meet Mercedes-Benz's high standards for durability and performance. The part is compatible with numerous C-Class, E-Class, and GLK-Class vehicles, including models such as the C300, C350, E350, and GLK350. Specific fitment details include: - Mercedes-Benz C300 4Matic Lux Sedan (2008-2014) - Mercedes-Benz C300 4Matic Sprt Sedan (2008-2014) - Mercedes-Benz C300 Luxury Sedan (2008-2011) - Mercedes-Benz C300 Sport Sedan (2008-2011) - Mercedes-Benz C350 4Matic Coupe (2012-2015) - Mercedes-Benz C350 Base Coupe (2012-2015) - Mercedes-Benz C350 Sport Sedan (2008-2014) - Mercedes-Benz E350 4Matic Coupe (2013-2014) - Mercedes-Benz E350 Base Convertible (2012-2014) - Mercedes-Benz E350 Base Coupe (2010-2014) - Mercedes-Benz GLK350 4Matic Sport Utility (2010-2015) - Mercedes-Benz GLK350 Base Sport Utility (2010-2015)

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMercedes-Benz
Part NumberMB2045011125
CategoryHeating and Cooling

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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