Why does my C350’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your C350 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Mercedes-Benz C350 engine noises bad?

Unusual noises can signal a problem with your Mercedes-Benz C350 engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Mercedes-Benz C350 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Mercedes-Benz C350 radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What could cause my C350 engine to suddenly stop?

Your C350 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for Mercedes-Benz C350 repair?

Your local Firestone Complete Auto Care fixes Mercedes-Benz C350 engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2008 Mercedes-Benz C350

Learn about

2008 Mercedes-Benz C350 Trim Options

Select your Mercedes-Benz C350 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz C350 parts will get older and change.

V6/3.5L

Mercedes-Benz C350 Repairs and Services

Nothing stays the same forever. Even your Mercedes-Benz C350's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 2008 Mercedes-Benz C350 services.

We’re Trained to Care for Mercedes-Benz C350 Engines

The Mercedes-Benz C350 is respected for its reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go wrong on the road. If they do, you’ll have to find a dependable 2008 Mercedes-Benz service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Mercedes-Benz C350 engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2008 Mercedes-Benz C350

As soon as your C350 check engine light turns on, it’s time to get an expert’s opinion. 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. Potential 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 possible causes. Stop by your local Firestone Complete Auto Care to get your C350 issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine pinging noises, oil leaks, or misfiring.

Mercedes-Benz C350 Engine Repair

When your Mercedes-Benz C350 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. 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 want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Mercedes-Benz C350 engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the timing chain or belt, motor oil seal, fuses, or other parts.

Questions About 2008 Mercedes-Benz C350 Engines

Why does my C350’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your C350 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Mercedes-Benz C350 engine noises bad? Unusual noises can signal a problem with your Mercedes-Benz C350 engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Mercedes-Benz C350 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Mercedes-Benz C350 radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What could cause my C350 engine to suddenly stop? Your C350 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for Mercedes-Benz C350 repair? Your local Firestone Complete Auto Care fixes Mercedes-Benz C350 engines. Book an appointment today! We have thousands of locations across the country.