Mercedes 350SL Coolant Parts

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1972 Mercedes 350SL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$27.89
Reg
$29.05
List
$29.62
Sold by the meter, usage as required. Black shiny hose from radiator cap outlet down side of radiator. 1 per car.
1972 Mercedes 350SL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$7.49
Reg
$7.80
List
$6.25
Replacement hose may be longer than required, please cut to length upon installation. 1 per car.
1972 Mercedes 350SL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$6.49
Reg
$6.76
List
$52.00
Please verify inner hose diameter of existing hose prior to ordering. Sold by the meter, usage as required.
1972 Mercedes 350SL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$9.49
Reg
$9.89
List
$11.00
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1972 Mercedes 350SL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$86.99
Reg
$90.61
List
$274.00
1 per car.
1972 Mercedes 350SL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$9.59
Reg
$9.99
List
$42.00
1972 Mercedes 350SL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$9.97
Reg
$10.39
List
$28.50
1 per car.
1972 Mercedes 350SL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$7.49
Reg
$7.80
List
$39.50
Latest version from Mercedes comes precut to approximate length required, may require only slight trimming to install.
1972 Mercedes 350SL
Low Stock Status
Low Stock Information Icon
Leaves warehouse within 1-2 business days, if still available when processed.
$52.99
Reg
$55.20
List
$46.00
1972 Mercedes 350SL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$7.89
Reg
$8.22
List
$39.50
1972 Mercedes 350SL
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$9.35
Reg
$9.74
List
$62.00

Based on industry averages you can expect to pay between $6.49 and $86.99 for a Mercedes 350SL coolant.

Mercedes 350SL coolant is a special liquid that is used to regulate the temperature of the engine. It circulates through the engine and absorbs heat, which is then dissipated by the radiator as it flows back out. This helps ensure that the engine stays at the optimal temperature for performance and prevents it from overheating.

Coolant is important because it helps protect the engine from damage caused by extreme temperatures. If the engine gets too hot, it can cause parts to warp or crack, leading to costly repairs. On the other hand, if the engine gets too cold, it can cause the oil to thicken, making it difficult to flow properly and potentially causing damage as well.

Using the right type and amount of coolant is essential to maintaining the health of your Mercedes 350SL engine. It’s important to regularly check the coolant level and top it off as needed, as well as replace it entirely every few years to ensure its effectiveness.

Type of Coolant for Mercedes 350SL

The Mercedes 350SL coolant uses a coolant recommended by Mercedes-Benz, which is an ethylene glycol-based coolant with a phosphate-free formula. The specific type and brand of coolant may vary depending on the year and model of the vehicle. It is recommended to refer to the owner's manual or consult with a certified Mercedes-Benz mechanic for the correct coolant type and brand to use.

Mercedes 350SL Coolant Capacity by Year

  • 1972 Mercedes 350SL (4.5L engine): 13.2 quarts (12.5 liters)
  • 1976 Mercedes 350SL (4.5L engine): 14.3 quarts (13.5 liters)
  • 1980 Mercedes 350SL (3.5L engine): 11.9 quarts (11.3 liters)
  • 1985 Mercedes 350SL (5.6L engine): 15.9 quarts (15 liters)

It is important to note that the coolant capacity can vary depending on the year, engine size, and other factors, so it is always best to consult the owner's manual or a certified mechanic for the most accurate information.

How to Add Coolant to Your Mercedes 350SL

  1. Make sure the engine is cool before you start.
  2. Locate the coolant reservoir. It's usually near the front of the engine compartment and has a cap labeled "coolant" or "antifreeze."
  3. Open the cap slowly to avoid any pressure buildup. If the engine is hot, the coolant may boil and spray out.
  4. Check the coolant level by looking at the markings on the side of the reservoir. The level should be between the "min" and "max" marks.
  5. If the level is low, add a mixture of water and coolant to bring it up to the proper level. The ratio of water to coolant depends on the manufacturer's recommendation, but it's typically 50/50.
  6. Replace the cap and make sure it's tight.
  7. Start the engine and let it run for a few minutes to circulate the new coolant.
  8. Check the coolant level again after the engine has cooled down. If it's still low, add more coolant as needed.
  9. Check for leaks around the reservoir and radiator, and address them if necessary.

It's important to use the correct type of coolant for your specific vehicle. Check the owner's manual or consult a mechanic for guidance.


At AutohausAZ, we provide the convenience of being a one-stop-shop for all your Mercedes 350SL coolant needs. Our extensive inventory of high-quality coolants ensures that you can find the perfect coolant for your vehicle.

One advantage of shopping with us is our commitment to providing top-notch customer service. Our knowledgeable sales representatives are ready to assist you in selecting the right coolant for your car, ensuring that you are making an informed decision. Additionally, our user-friendly website allows you to easily navigate through our products and find the exact coolant you need.

AutohausAZ also offers competitive pricing on all our coolants, allowing you to save money without compromising on quality. Our commitment to providing OEM-quality parts ensures that you are getting the best possible product at a reasonable price.

Another advantage of shopping with us is our easy and hassle-free returns process. If for any reason you are not completely satisfied with your purchase, we offer a straightforward return policy that allows you to return the product for a full refund or exchange.

In summary, shopping at AutohausAZ for your Mercedes 350SL coolant needs offers several advantages, including exceptional customer service, competitive pricing, and a straightforward returns process.

Auto Parts We Offer for Mercedes 350SL