Mercedes-Benz radiator top hose replacement costs & repairs

Frequently Asked Questions

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If you’ve booked with a workshop, the service provider will usually require your vehicle for the entire day due to scheduling. If you’ve booked with a mobile provider, you will only be without your vehicle for the time it takes to complete the job. Find out more

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Why Do I Need to Replace My Mercedes-Benz Radiator Top Hose?

The radiator top hose on your Mercedes-Benz carries coolant from the engine to the thermostat and into the radiator. It's fairly easy to locate when you look inside the engine bay, look for a black hose running from the engine to the radiator.

The top radiator hose is typically made out of reinforced synthetic rubber, it needs to be able to withstand coolant chemicals, pressure, heat and movement. The top radiator hose gets clamped to the Mercedes-Benz's thermostat housing and to the exit point from the engine.

Over time the hose will become hard, have soft spots or rupture this is when the top radiator hose needs to be replaced. If you replace the coolant regularly and keep on top of the Mercedes-Benz's servicing schedule it may last longer but typically you would expect to get up to 5 years out of a top radiator hose, depending on the driving conditions.

If you notice the signs of a failing top radiator hose or notice it's leaking then have it replaced as soon as possible. The last thing you want is for it to burst or leak when you're driving, an engine will overheat and get damaged if you drive without sufficient coolant levels.

It’s almost a sure thing that the radiator top hose on your Mercedes-Benz will need to be replaced at some point in your car’s life. When the time comes, AutoGuru can sort it out for you.