Why does my CLA45 AMG’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 CLA45 AMG firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Mercedes-Benz engine sound different?

Strange under-the-hood noises can point to problems within your Mercedes-Benz CLA45 AMG engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz CLA45 AMG engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my Mercedes-Benz CLA45 AMG 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.

Why did my CLA45 AMG engine suddenly stop?

Reasons your CLA45 AMG car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who can repair my Mercedes-Benz CLA45 AMG engine?

For Mercedes-Benz CLA45 AMG engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Engine Repairs for Your 2015 Mercedes-Benz CLA45 AMG

Learn about

2015 Mercedes-Benz CLA45 AMG Trim Options

Select your Mercedes-Benz CLA45 AMG trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz CLA45 AMG parts will get older and change.

L4/2.0L

Mercedes-Benz CLA45 AMG Repairs and Services

Nothing stays the same forever. Even your Mercedes-Benz CLA45 AMG’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 2015 Mercedes-Benz CLA45 AMG services.

We’re Trained to Care for Mercedes-Benz CLA45 AMG Engines

Mercedes-Benz CLA45 AMG drivers trust that their CLA45 AMG will take them near and far. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 2015 Mercedes-Benz CLA45 AMG 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 CLA45 AMG engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Check Engine Light on 2015 Mercedes-Benz CLA45 AMG

An illuminated check engine light on your Mercedes-Benz CLA45 AMG is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel, Possible causes can include a failing oxygen sensor, damaged spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your CLA45 AMG in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. rattling sounds, essential fluid leaks, or a sinking feeling that something’s wrong.

2015 CLA45 AMG Engine Services

If your 2015 CLA45 AMG engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2015 CLA45 AMG engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the serpentine belt, engine oil seal, fuses, or another part.

Engine Q&A 2015 Mercedes-Benz CLA45 AMG

Why does my CLA45 AMG’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 CLA45 AMG firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Mercedes-Benz engine sound different? Strange under-the-hood noises can point to problems within your Mercedes-Benz CLA45 AMG engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz CLA45 AMG engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my Mercedes-Benz CLA45 AMG 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.
Why did my CLA45 AMG engine suddenly stop? Reasons your CLA45 AMG car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my Mercedes-Benz CLA45 AMG engine? For Mercedes-Benz CLA45 AMG engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.