2009 Mercedes C300 Belt Diagram (2024)

FAQs

Where is the serpentine belt diagram? ›

Some vehicles have the serpentine belt diagram located on a decal somewhere in the engine compartment. But if your car does not have a decal, you can easily look up the diagram in a repair manual or repair database. Another option is to take a photo of the old belt before removal.

The average cost for a Mercedes-Benz C300 Serpentine Belt Replacement is between $122 and $160.

As you can see, one belt serves the A/C compressor, one belt serves the air or smog pump, one belts serves the alternator and two belts serve the power steering and water pump. Image of Mercedes 450SL V-Belt Configuration: Crank Pulley. Water Pump/Fan 3.

Where can I find a belt routing diagram for my engine? A: Commonly a belt routing diagram sticker is on the underside of the hood or in the engine compartment.

What to do if you have a failing serpentine belt. If you do notice your belt needs replacing, you can do it yourself if you're mechanically minded and have the time. It'll take about 1 or 2 hours, but they're relatively inexpensive and straightforward to repair.

Plus, replacement is relatively easy, and if you're wondering how long does serpentine belt service take, it's less than an hour for most vehicles.

Since the serpentine belt helps provide power to cool the engine, a faulty belt can cause the car engine to overheat as the water pump will not turn. As soon as the engine begins to overheat, have it inspected by a mechanic as it can cause a breakdown and cause engine damage if left overheated.

Cars with a timing belt have a plastic cover near the engine block (often to the left-hand side), which provides easy access to the belt. It needs changing at regular intervals, which is why the removable cover is necessary. In cars with a timing chain, you won't see a plastic cover.

Serpentine belts usually last about 50,000 miles or five years, or in some cases, even up to 100,000 miles. Your belt should be inspected at 50,000 miles, as this is often when you start to see the belt material breaking down.

What are the 3 belts on my car? ›

First, serpentine belts and timing belts are made out of different materials. Serpentine belts do not have to be as sturdy as timing belts. This is why serpentine belts are made out of rubber, while timing belts are made out of heavy-duty synthetic materials. Timing belts can be made of either neoprene or polyurethane.

You can find the correct size of serpentine belt for your car in the owner's manual or by using an online belt sizing tool. If you are unsure about the size of the serpentine belt you need, it is best to consult a mechanic or an auto parts store.

A serpentine belt (or drive belt) is a single, continuous belt used to drive multiple peripheral devices in an automotive engine, such as an alternator, power steering pump, water pump, air conditioning compressor, air pump, etc.

The average cost for serpentine belt replacement is between $109 and $134. Labor costs are estimated between $57 and $72, while parts range between $52 and $62. Whether you go to the mechanic or do it yourself, replacing a serpentine belt costs $58 to $126.

Replacing the serpentine belt is as simple as threading it into position, cranking the tensioner and slipping the belt over the tensioner pulley, or nearest pulley up top. Belt tensioners are mostly spring tension. Once installed, the spring retains pressure to the belt.

The serpentine belt, driven by the crankshaft pulley, is connected to the engine. From there, it wraps around multiple other pulleys that power different components in the engine, such as the alternator, air conditioning compressor, power steering pump, and water pump.

Since an overheated engine can be due to several different serious causes, you'll want to have your car inspected as soon as possible. You spot visual signs of wear: Cracks, splits, and fraying are visual indicators of a worn belt. If the belt's sides are glazed over, the belt won't last much longer.