Why does my E400’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your E400 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Mercedes-Benz engine sound different?

Unusual noises can signal a problem with your Mercedes-Benz E400 engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz E400 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Is it okay to put water in my Mercedes-Benz E400 radiator?

It’s not recommended you put water in your E400 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.

Why did my E400 engine suddenly stop?

Reasons your E400 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who repairs Mercedes-Benz E400 engines?

Your local Firestone Complete Auto Care fixes Mercedes-Benz E400 engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2016 Mercedes-Benz E400

Learn about

2016 Mercedes-Benz E400 Trim Options

Select your Mercedes-Benz E400 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz E400 parts will get older and change.

V6/3.0L

2016 Mercedes-Benz E400 Repair

Stuff wears out. Even your Mercedes-Benz E400's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2016 Mercedes-Benz E400 services.

We’re Trained to Care for Mercedes-Benz E400 Engines

The Mercedes-Benz E400 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 sideways sometimes. If they do, you’ll have to find a dependable 2016 Mercedes-Benz service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced more than 500 million vehicles since 1926, and our technicians know Mercedes-Benz E400 engines. Schedule a courtesy inspection at the first sign of engine trouble. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2016 Mercedes-Benz E400 Check Engine Light Is On

As soon as your E400 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s ignition, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your E400 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. Other signs your Mercedes-Benz E400 engine needs some TLC are burning smells, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2016 E400

If your 2016 Mercedes-Benz E400 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure 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. By choosing Firestone Complete Auto Care for E400 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 2016 Mercedes-Benz E400

Why does my E400’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your E400 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Mercedes-Benz engine sound different? Unusual noises can signal a problem with your Mercedes-Benz E400 engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz E400 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Is it okay to put water in my Mercedes-Benz E400 radiator? It’s not recommended you put water in your E400 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.
Why did my E400 engine suddenly stop? Reasons your E400 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs Mercedes-Benz E400 engines? Your local Firestone Complete Auto Care fixes Mercedes-Benz E400 engines. Book an appointment today! We have thousands of locations across the country.