Why does my E350’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 just your E350 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my Mercedes-Benz engine sound different?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz E350. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 E350 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 add water to my Mercedes-Benz E350 radiator?

While it’s not recommended, you can use water in your E350 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

What can cause a E350 engine to suddenly stop?

There are different reasons your E350 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 can repair my Mercedes-Benz E350 engine?

Your local Firestone Complete Auto Care fixes Mercedes-Benz E350 engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 2011 Mercedes-Benz E350 Engines

Learn about

2011 Mercedes-Benz E350 Trim Options

Select your Mercedes-Benz E350 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V6/3.0L

V6/3.5L

Mercedes-Benz E350 Repairs and Services

Stuff wears out. Even your Mercedes-Benz E350’s engine parts and components will change. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 2011 Mercedes-Benz E350.

We Care for Mercedes-Benz E350 Engines

Mercedes-Benz E350 drivers trust that their E350 will take them near and far. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If they do, you’ll have to find a dependable 2011 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 millions of vehicles since 1926, and our professional technicians are trained to service Mercedes-Benz E350 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.

Illuminated Check Engine Light on 2011 Mercedes-Benz E350

If your E350 check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission system, and it won’t go away by ignoring it. Possible causes can include a failing oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your E350 issues diagnosed and we'll determine exactly why your check engine light is on. engine pinging noises, burning smells, or misfiring.

2011 E350 Engine Services

When your Mercedes-Benz E350 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 service can wait, we’ll make sure you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, 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 2011 E350 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 other parts.

Engine Q&A 2011 Mercedes-Benz E350

Why does my E350’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 just your E350 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my Mercedes-Benz engine sound different? Strange engine sounds can be a sign something’s off in your Mercedes-Benz E350. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 E350 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 add water to my Mercedes-Benz E350 radiator? While it’s not recommended, you can use water in your E350 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What can cause a E350 engine to suddenly stop? There are different reasons your E350 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 can repair my Mercedes-Benz E350 engine? Your local Firestone Complete Auto Care fixes Mercedes-Benz E350 engines. Book an appointment today! We have thousands of locations across the country.