Why does my R350’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your R350 firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Mercedes-Benz R350 engine noises bad?

Unusual noises can signal a problem with your Mercedes-Benz R350 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 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 R350 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 accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Is it okay to put water in my Mercedes-Benz R350 radiator?

It’s not recommended you put water in your R350 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.

What can cause a R350 engine to suddenly stop?

There are different reasons your R350 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 R350 engines?

Your local Firestone Complete Auto Care offers Mercedes-Benz R350 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

2011 Mercedes-Benz R350 Engine Repair

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2011 Mercedes-Benz R350 Trim Options

Select your Mercedes-Benz R350 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz R350 parts will get older and change.

V6/3.0L

V6/3.5L

2011 Mercedes-Benz R350 Repair

Stuff wears out. Even your Mercedes-Benz R350's many parts and pieces. 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 R350.

We’re Trained to Care for Mercedes-Benz R350 Engines

Mercedes-Benz R350 drivers trust that their R350 will take them near and far. 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 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 more than 500 million vehicles since 1926, and our technicians know Mercedes-Benz R350 engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 2011 Mercedes-Benz R350

If your R350 check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your fuel injection, Potential causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your R350 issues diagnosed and we'll determine exactly why your check engine light is on. engine rattling, essential fluid leaks, or engine misfiring.

2011 R350 Engine Services

When your Mercedes-Benz R350 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a repair can wait, we'll let you know. We'll also tell you if it's necessary for your safety. 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 2011 R350 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — timing chain or belt, oil gasket, ignition coil, or another part.

2011 Mercedes-Benz R350 Engine Q&A

Why does my R350’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. It’s just your R350 firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Mercedes-Benz R350 engine noises bad? Unusual noises can signal a problem with your Mercedes-Benz R350 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 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 R350 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 accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Is it okay to put water in my Mercedes-Benz R350 radiator? It’s not recommended you put water in your R350 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.
What can cause a R350 engine to suddenly stop? There are different reasons your R350 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 R350 engines? Your local Firestone Complete Auto Care offers Mercedes-Benz R350 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!