Why does the check engine light in my C300 turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Mercedes-Benz C300 making engine noise?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz C300. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage my Mercedes-Benz C300 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Mercedes-Benz C300 radiator?

It’s not recommended you put water in your C300 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

What can cause the engine in my C300 to suddenly stop?

If your C300 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who can repair my Mercedes-Benz C300 engine?

Your local Firestone Complete Auto Care has you covered with expert C300 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2017 Mercedes-Benz C300 Engine Repair

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2017 Mercedes-Benz C300 Trim Options

Select your Mercedes-Benz C300 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

L4/2.0L

Mercedes-Benz C300 Repairs and Services

Nothing stays the same forever. Even your Mercedes-Benz C300’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 2017 Mercedes-Benz C300 repairs.

We’re Trained to Care for Mercedes-Benz C300 Engines

Mercedes-Benz C300 engines are known for their reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. When they do, you might find yourself searching for 2017 Mercedes-Benz C300 engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Mercedes-Benz C300 engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 2017 Mercedes-Benz C300

An illuminated check engine light on your Mercedes-Benz C300 is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your or emission system, and it won’t go away by ignoring it. Causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your C300 in for an on-board diagnostic check and our expert techs will get the root of the problem. engine rattling, essential fluid leaks, or misfiring.

Engine Repairs for Your 2017 C300

If your 2017 Mercedes-Benz C300 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 2017 C300 engine repairs and you can feel good knowing that we only use Mercedes-Benz-compliant replacement parts such as the timing belt, oil gasket, ignition coil, or other parts.

2017 Mercedes-Benz C300 Engine Q&A

Why does the check engine light in my C300 turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Mercedes-Benz C300 making engine noise? Strange engine sounds can be a sign something’s off in your Mercedes-Benz C300. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my Mercedes-Benz C300 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Mercedes-Benz C300 radiator? It’s not recommended you put water in your C300 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
What can cause the engine in my C300 to suddenly stop? If your C300 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who can repair my Mercedes-Benz C300 engine? Your local Firestone Complete Auto Care has you covered with expert C300 engine repair. Schedule an appointment today and see us at one of our thousands of locations.