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Mercedes-Benz C300 Serpentine Belt Replacement

A serpentine belt is a modern drive belt or fan belt, and replacing it is a quick service with a cost that varies depending on your car.

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Mercedes-Benz C300 Serpentine Belt Replacement

RepairSmith offers upfront and competitive pricing. The average cost for Mercedes-Benz C300 Serpentine Belt Replacement is $144. Drop it off at our shop and pick it up a few hours later, or save time and have our Delivery mechanics come to you.

Car
Location
Quoted on
Price
2016 Mercedes-Benz C300
2.0L L4 Turbo • 70,000 miles
Corona CA 92882
Nov 3, 2020
$140 - $171
2015 Mercedes-Benz C300
2.0L L4 Turbo • 14,000 miles
Las Vegas NV 89183
Sep 17, 2020
$158 - $193
2011 Mercedes-Benz C300
3.0L V6 • 149,000 miles
Las Vegas NV 89156
Sep 14, 2020
$113 - $139
2008 Mercedes-Benz C300
3.0L V6 • 151,000 miles
Long Beach CA 90808
Sep 11, 2020
$122 - $149
2009 Mercedes-Benz C300
3.0L V6 • 140,000 miles
Oxnard CA 93033
Aug 19, 2020
$106 - $130
2015 Mercedes-Benz C300
• 80,000 miles
Los Angeles CA 90038
Jul 25, 2020
$156 - $190
2010 Mercedes-Benz C300
3.0L V6 • 135,000 miles
Encinitas CA 92024
Jun 14, 2020
$122 - $150
2014 Mercedes-Benz C300
3.5L V6 • 56,461 miles
Fremont CA 94538
May 3, 2020
$147 - $179
2010 Mercedes-Benz C300
3.0L V6 • 120,000 miles
Trabuco Canyon CA 92679
Feb 14, 2020
$107 - $131
2010 Mercedes-Benz C300
3.0L V6 • 100,521 miles
Las Vegas NV 89135
Feb 6, 2020
$122 - $150
Last Updated:
Nov 13, 2020 5:47 PM
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What is a Serpentine Belt?

Don’t worry, it’s just a name for a car part. Though I'm sure there have been cases of snakes popping out from under the hood. A serpentine belt is a modern drive belt or fan belt. It’s responsible for transferring rotational force from the engine to different components in the car. You think the alternator magically turns on its own? What about the air conditioning compressor or the power steering? Nope, nope, and nope. The serpentine belt takes rotational force generated by the engine, and doles it out to those systems. And it does so in a pretty simple manner. The belt is made of rubber, and looks exactly like a belt. It wraps around a series of pulleys, one for each system that it drives. As the belt snakes (hence the name) around all of the pulleys, each system is given the rotational force it needs. The belt itself is driven by a pulley attached to the crankshaft. So, as the engine works, it turns the crankshaft pulley, which sets the serpentine belt in motion, which turns everything else. Not all cars have serpentine belts. Some cars have multiple drive belts, with each belt only turning a few pulleys. If a car only has one drive belt, then it’s a serpentine belt. Unlike traditional drive belts, serpentine belts don’t need to be adjusted, because they automatically do so. And they’re more durable, too. But they can crack and break, and when they do, they’ll need to be replaced.

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Symptoms of a broken Serpentine Belt

Check engine light comes on

Look, I know the check engine light seems so insignificant. Well, it isn't. The check engine warning light is actually pretty important. If your car’s serpentine belt is failing, then systems will stop working, your car’s computers will be alerted, and the check engine light is likely to come on.

Dead battery

Here’s something I don’t need to tell you: If your car won’t turn on, you might have an issue. The serpentine belt is responsible for driving the alternator, which is responsible for charging the battery. If the belt fails, the battery won’t be charged, and eventually, it will run out of juice. Depending on your car, you may see a low battery charge warning light before the battery is fully dead. As previously mentioned, pay attention to those warning lights.

Loss of power steering

The serpentine belt also runs the power steering system on some cars. If you’re driving and turning the steering wheel makes you feel like you haven’t hit the gym in a while, you’ve probably lost your power steering. The serpentine belt can also help power the power braking system in some cars, so if you find it hard to brake, that may be a belt issue as well.

Overheating engine

In many cars, the serpentine belt drives the water pump, which is what gets the coolant in action. If the water pump can’t do its job, you may not have a cooling system, which means your engine is liable to operate at way too high of a temperature. Your car has an engine temperature gauge on the dashboard. I know I sound like a broken record here, but listen to the warning on your dash.

Visibly worn belt

If you don't spend your free time under the hood of your car, no judgement here. But if you do, and you notice that the serpentine belt is rigid, cracked, or ripped at all, then out with the old and in with the new.

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How urgent is a Serpentine Belt replacement?

Depends. Do you want an engine that overheats, a battery that dies, and a lack of power steering?

If you said “yes” to that, we’ve got bigger issues on our hands than your car. But if you said “no”, then you know what to do.

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