Why does the check engine light come on when I start my E350?

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. Knocking or tapping could be a symptom of low 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 a sign of brake problems rather than engine issues.

What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz E350 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle 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 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?

Your E350 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

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.

2012 Mercedes-Benz E350 Engine Repair

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2012 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. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2012 Mercedes-Benz E350 services.

We’re Trained to Care for Mercedes-Benz E350 Engines

The Mercedes-Benz E350 is respected for its reliability. You may have even been thinking about that when you bought 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 2012 Mercedes-Benz service center — quick! That’s where Firestone Complete Auto Care comes in. 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. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2012 Mercedes-Benz E350 Check Engine Light Is On

As soon as your E350 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission system, and it won’t go away by ignoring it. Potential causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your E350 to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. rattling sounds, oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2012 E350

When your Mercedes-Benz E350 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. 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 seek to give you all the info you need to make a smart decision about our services. Choose Firestone Complete Auto Care for Mercedes-Benz E350 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — serpentine belt, motor oil seal, fuses, or another part.

Engine Q&A 2012 Mercedes-Benz E350

Why does the check engine light come on when I start my E350? 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. Knocking or tapping could be a symptom of low 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 a sign of brake problems rather than engine issues.
What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz E350 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle 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 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? Your E350 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
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.