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

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my Mercedes-Benz E400 making engine noise?

Unusual noises can signal a problem with your Mercedes-Benz E400 engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate 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 damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still 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 put water in my Mercedes-Benz E400 radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your E400 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

Why did my E400 engine suddenly stop?

There are different reasons your E400 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who fixes Mercedes-Benz E400 engines?

Your local Firestone Complete Auto Care offers Mercedes-Benz E400 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

2015 Mercedes-Benz E400 Engine Repair

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2015 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

V6/3.5L

V6/3.0L

V6/3.5L

Mercedes-Benz E400 Repairs and Services

Nothing stays the same forever. Even your Mercedes-Benz E400’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 2015 Mercedes-Benz E400 repairs.

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

Mercedes-Benz E400 engines are known for their reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If they do, you’ll have to find a dependable 2015 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. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2015 Mercedes-Benz E400

An illuminated check engine light on your Mercedes-Benz E400 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 fuel, Causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your E400 issues diagnosed and our expert techs will get the root of the problem. rattling sounds, oil leaks, or engine misfiring.

2015 E400 Engine Services

When your Mercedes-Benz E400 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, 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. Turn to Firestone Complete Auto Care for your 2015 E400 engine repairs and you can feel good knowing that we only use Mercedes-Benz-compliant replacement parts such as the timing belt, valve guide seal, ignition coil, or a different component.

Questions About 2015 Mercedes-Benz E400 Engines

Why does my E400’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Mercedes-Benz E400 making engine noise? Unusual noises can signal a problem with your Mercedes-Benz E400 engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate 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 damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still 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 put water in my Mercedes-Benz E400 radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your E400 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
Why did my E400 engine suddenly stop? There are different reasons your E400 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who fixes Mercedes-Benz E400 engines? Your local Firestone Complete Auto Care offers Mercedes-Benz E400 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!