What Causes Coolant Hose Failure in a Mercedes-Benz?

March 4, 2019 - 6 minutes read

Mercedes-Benz Coolant Hose Replacement

Routine maintenance is necessary for keeping your Mercedes-Benz running properly. Coolant hose failure is common yet simple issue that can lead to major issues if not caught early. Below are some causes and signs of this common problem and how to deal with it.

Importance of the Coolant Hose

Your radiator has two hoses, an upper hose and a lower hose. The upper hose moves coolant from the thermostat housing to the radiator inlet. The coolant then passes through the radiator in return, shedding excess heat. The lower hose moves the coolant back out, allowing the cooled fluid to move back into the engine. This keeps the engine from getting too hot or too cold.

The engine is the heart of your car, and needs to be taken care of. Keeping it running and in good working order is key to keeping your car on the road. Your engine must run at a stable temperature at all times. If it does not, your engine will fail. Coolant hose failure can lead to major problems and cause the destruction of your engine if not caught in time.

Symptoms of a Bad Coolant Hose

Common signs of a bad radiator hose are leaking coolant, low coolant light, engine overheating, or a collapsed or damaged radiator hose. Hoses can be damaged by age and oil leaks. Because of this, hoses should be inspected regularly and replaced to avoid overheating.

Never drive your car with a damaged hose. Your engine could overheat very quickly, causing damage and resulting in an even higher repair expense.

Leaking Coolant

If you have a puddle of green fluid under your vehicle that has a sweet smell, there is a good chance that you are leaking coolant. There are many places that this can be leaking from, so it is important to have a professional Mercedes mechanic check out your issue to diagnose the problem.

Low Coolant Light Is On

Check your fluid level regularly. If you have to fill your fluid constantly, there is a good chance that you have a leak. Do not drive your vehicle if your coolant is low. Your car can overheat, causing major damage to your engine and leaving you stranded in the process.

Overheating Engine

As soon as you notice that your car is overheating, do not continue to operate it. Your engine should never overheat, as this can cause serious damage to essential parts like the head gasket. A faulty radiator hose is the most common cause of overheating.

A Cracked or Broken Hose

Old age and oil leaks can lead to a damaged hose. There may be large cracks or just small holes. Regular inspections can keep these issues in check.

A Collapsed Radiator Hose

A weak hose and a cooling system failure can cause your hose to collapse. A collapsed hose will not allow coolant to flow properly.

If your car overheats or you notice a defect in a hose, you need to have a professional mechanic check it out immediately. Not having these issues taken care of can lead to major engine damage and can leave you stranded.

What We Offer

We can take care of you’re the coolant hose failure in your Mercedes-Benz. We understand that you are proud to own a German vehicle, and we want to keep Mercedes-Benz C-Class it running and in great shape. We strive to provide you with exceptional service, and you can count on us to give you the quality repairs that you are looking for.

Whenever possible, we offer same-day services so you don’t have the inconvenience of being without your car. Escondido German Auto offers one of the area’s best warranties with a 2-year/24,000 mile warranty on all repairs performed by our mechanics. You can feel at ease knowing that your car is in the hands of ASE certified mechanics and German factory trained staff.

A Mercedes-Benz is a reliable and dependable vehicle that provides comfort and high performance. Keeping up with routine maintenance will help your car last for a long time. Here at Escondido German Auto we have a passion for German vehicles and are experts in our field. We offer maintenance on Mercedes-Benz, Audi, Volkswagen, Mini, Porsche, Sprinter and BMWs. If you live near Escondido, Rancho Bernardo, or Valley Center, CA, call or stop by to learn more about how we can help keep your Mercedes-Benz in great repair for years to come.

* Mercedes-Benz C-Class image credit goes to: teddyleung.

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