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Mercedes ML320 Replacement Expansion Tank Information

Would a smart driver spend a hefty price on a beautiful luxury car, only to cut corners on new aftermarket or OEM components? To keep the style and elegance you chose with your Mercedes ML320, it's key to use only the top names in high-performance auto parts. Elegant vehicles like the high-end Mercedes ML320 were built to be driven with consideration and then given needed maintenance. When consumers want the finest in lavishness, style and dependability they put their trust in Mercedes. If superior feel and elegant design are what you need in a car then Mercedes, an automaker known for exceptional performance, is definitely for you. Your Mercedes was built with the highest care and craftsmanship; it needs new parts of the same top level of quality. Mercedes ML320 Expansion Tanks provide space for the radiator's cooling fluid to expand as it heats up, preventing your cooling system from cracking or boiling over, or cooling fluid from overflowing from your cooling system. Your Mercedes ML320 Expansion Tank will let the air and antifreeze in a cooling system to increase with the heat and rising pressure. The car's Mercedes ML320 Expansion Tank is a pressure vessel that is designed to allow coolant and trapped air bubbles inside a car's coolant system to rise due to an increase in temperature and pressure. Your car or truck has a place in your heart because it has excellent performance and great style, so to have it purring along in top form you want the best in quality parts. First-rate horsepower and high performance come from first-rate components and accessories. The Mercedes ML320 is a beautiful vehicle ... keep it humming with our selection of quality parts. No other supplier will give you a better price on exceptional parts and accessories than we do all year long. If there are any concerns about our aftermarket accessories, our customer service people are available to you via e-mail or telephone - with the usual world-class commitment to the customer!

Mercedes ML320 Expansion Tank They are available for the following Mercedes ML320 years: 2009, 2008, 2007, 2003, 2002, 2001, 2000, 1999, 1998, 09, 08, 07, 03, 02, 01, 00, 99, 98. This part is also sometimes called Mercedes ML320 Radiator Overflow Tank. We stock expansion tank parts for most Mercedes models including C230, SLK230, ML430, ML350, S500, ML500, S430, E350, C240, C280, E320, SL500, E500, 190E, 560SL, 300E, S550, C320, SLK320, 450SL, CLS550, GL450, CLK430, CLK320, CLS500, CLK500, 300D, 300SDL, Sprinter 2500, R350, CLA250, S55 AMG, 380SL, 300SD, ML55 AMG, CL500, Sprinter 3500, R500, 500SL and 300TD.

We stock these Expansion Tank brands for the Mercedes ML320: Replacement, Behr, SKP, APA/URO Parts, Hella, Febi, API, DIY Solutions and Brock.

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Mercedes ML320 Expansion Tank

Luxury vehicles, like your Mercedes ML320, require premium parts in order to work at optimal performance. One of these parts is the expansion tank, which keeps your coolant fluid from overflowing when it expands with the heat it absorbs from the engine. Without this tank, your radiator would be in danger of rupturing every time your engine warmed up. A high-quality replacement expansion tank can keep your cooling system running at peak performance.

Shop at and get the best aftermarket and OEM parts at competitive prices. We sell parts like the Mercedes ML320 expansion tank from the trusted brands of Behr, Hella, Meyle, Febi and APA/URO Parts. All of our millions of parts are covered by our standard 30-day return policy.

What is an expansion tank?

Your Mercedes ML320 expansion tank is a vital component in your car's cooling system. The coolant in your cooling system absorbs heat from your engine and, as it does so, the coolant expands in volume. This expanded volume into the expansion tank, which allows the pressure inside the radiator to remain at a fixed level while also allowing any air bubbles trapped in the coolant to rise to the surface and escape.

How much is a new Mercedes ML320 expansion tank?

There are several factors that can affect the price of a new Mercedes ML320 expansion tank such as,

  • The model year of your ML320
  • The number of parts in the kit
  • The brand.

Taking these into consideration, you should expect to pay between $34 and $62 for a new Mercedes ML320 expansion tank at

How do I know if I need a new expansion tank?

Your Mercedes ML320 expansion tank operates under considerable stress and can wear out and need replacing. Signs that you need to replace your expansion tank can include,

  • You're always low on coolant
  • Your expansion tank is leaking coolant
  • Your engine overheats.

Some of our Customer Reviews
Very Satisfied
Reviewer: A. Harper

Have not had the part installed yet, but very satisfied with the ease of both your ordering & receiving process.

2001 Mercedes ML320 Expansion Tank

Very Satisfied
Reviewer: Jeff McTague

I had a choice of an original 99 tank out of a wrecked Benz or an aftermarket from PartsGeek. I chose PartsGeek.

I could see a picture of what I was buying, so I was comfortable, and the exact part showed up exactly when it was supposed to. PartsGeek is now Bookmarked in my computer.

1999 Mercedes ML320 Expansion Tank

Very Satisfied
Reviewer: Melvin Jenkins

I am very pleased with my product. I received it in a timely manner. I look forward to ordering in the future.

1998 Mercedes ML320 Expansion Tank

Very Satisfied
Reviewer: Agustin Betancourt

I am very satisfied with the purchase, and it's a good quality product, the shipping was pretty fast, buying online was very fast and safe and very acceptable delivery charges. I highly recommend this vendor and will be my first choice to buy elsewhere.

2000 Mercedes ML320 Expansion Tank

Very Satisfied
Reviewer: Great product and prompt h/s

Been meaning to finish the refurbishing of the cooling system; matter became more pressing with a leak in the overflow expansion tank. Prompt handing and shipping and the exact product ordered - well packaged - made short order of this repair!!!

1998 Mercedes ML320 Expansion Tank

Very Satisfied
Reviewer: Easy and Econoical

This was an easy process. The part fit perfectly. As opposed to having this replaced in a shop, I saved at least $200.

2000 Mercedes ML320 Expansion Tank