Mercedes R320 Coolant Hose Parts

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2007, 2008, 2009 Mercedes R320
Ships Today
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Leaves closest warehouse today if ordered before 2 PM MST.
$22.69
Reg
$23.64
List
$28.50
3.0l diesel, #1. 3.5l, 5.0l, 6.3l, #1, without heated washers. Your part is located within diagram as #14.
2007, 2008, 2009 Mercedes R320
Available To Order
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Usually ships within 1-2 business days. Availability is not guaranteed.
$126.33
Reg
$131.59
List
$180.00
For models with 722.9xx 7-speed automatic transmission only. Up to 4 per car.
2007, 2008, 2009 Mercedes R320
Ships Today
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Leaves closest warehouse today if ordered before 2 PM MST.
$1.49
Reg
$1.55
List
$1.50
2007, 2008, 2009 Mercedes R320
Ships Today
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Leaves closest warehouse today if ordered before 2 PM MST.
$2.19
Reg
$2.28
List
$3.90
Lower Hose; Upper Hose, Hose R320 cdi. Up to 12/12/07. 3.0l diesel, to ch# 075627. Your part is located within diagram as #11.
2007, 2008 Mercedes R320
Available To Order
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Usually ships within 1-2 business days. Availability is not guaranteed.
$76.99
Reg
$80.20
List
$97.00

Based on industry averages you can expect to pay between $1.49 and $126.33 for a Mercedes R320 coolant hose.

What Are Common Signs That My Mercedes R320 Coolant Hose Needs Replacement?

Spotting problems early keeps bigger issues at bay. The Mercedes R320 coolant hose can start to show its age with a few clear warning signs. You might find drops or a small pool of coolant under the car after parking. Sometimes, the hose will have splits, small cracks, or even a soft, squishy section when pressed. If you catch a whiff of a sweet scent from under the hood, coolant may be leaking somewhere. Rising engine temperature or fluctuations in the gauge mean the cooling system is struggling, often because the hose isn’t moving coolant as it should. Swelling or bubbling along the hose can point to rubber breakdown. When you spot any of these, take a closer look before the problem grows.

How Difficult Is It To Replace The Mercedes R320 Coolant Hose Myself?

DIY repairs can save time and money for some, but working on the Mercedes R320 coolant hose has its tricky moments. The engine bay feels packed, which makes reaching the hose a challenge unless you have patience and steady hands. Loosening the old clamps and fitting the new hose calls for basic tools and attention to detail. Flushing and refilling coolant can create air bubbles if not done slowly, which could put your engine at risk. If the clamps are stuck or rusty, they might break and need fresh ones. The work is doable for folks used to wrenches and sockets. If not, taking it to a shop keeps stress and mess to a minimum.

What Type Of Coolant Hose Does A Mercedes R320 Use?

Choosing the right Mercedes R320 coolant hose means going with parts that last. Mercedes designed this model with hoses made from strong EPDM rubber. These can handle steady heat and pressure. Always stick to parts that match your car’s specs—the original part number is your best bet, as universal hoses often fall short. The hose also needs to play nice with Mercedes-approved coolant, or the rubber may wear out too soon. Check your car’s records or the old hose’s markings. A quick double-check with a trusted supplier or the manual helps you avoid a repeat fix.

Why Do The Mercedes R320 Coolant Hoses Fail So Often?

The Mercedes R320 coolant hose doesn’t last forever, and several things speed up its decline. Heat and pressure work the rubber round the clock, causing it to dry out, go soft, or split. Spilled oil from other engine parts soaks into the hose, weakening it. If a shop swaps your hose for a cheaper alternative, that new hose may not take the strain. Using the wrong coolant eats at the hose, too. Skipping regular checks means cracks and leaks sneak up on you. Stay alert to trouble and swap hoses out before they let go.

What Should I Do If My Mercedes R320 Coolant Hose Bursts While Driving?

A broken Mercedes R320 coolant hose on the road isn’t something you want to ignore. First off, ease to the shoulder or a safe spot and switch the engine off. Leave the hood closed until everything cools down. Popping it open too soon could get you burned. When safe, check for rips or leaks around the hose. Don’t run the engine after a coolant loss, as serious harm comes quick. Call for a tow or roadside help and let a shop handle the rest. Trying to limp home can end in hefty repairs.

Where Can You Find a Reliable Mercedes R320 Coolant Hose at a Great Price?

At AutohausAZ, finding your next Mercedes R320 coolant hose is quick. Count on fair prices, steady quality, and quick delivery so you spend less time waiting. Not the right fit? Easy returns keep things simple. Our goal is taking the stress out of car repairs. Order your part with us and see how smooth car care can feel.