Why does the check engine light in my R350 turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Mercedes-Benz R350 making engine noise?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz R350. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Mercedes-Benz R350 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still 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.

Can I put water in my Mercedes-Benz R350 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 R350 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

Why did my R350 engine 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 can repair my Mercedes-Benz R350 engine?

For Mercedes-Benz R350 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

2012 Mercedes-Benz R350 Engine Repair

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2012 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

2012 Mercedes-Benz R350 Repair

Nothing lasts forever. Even your Mercedes-Benz R350's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2012 Mercedes-Benz R350 services.

We Care for Mercedes-Benz R350 Engines

The Mercedes-Benz R350 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 the unexpected strikes, you may search the internet frantically for quick and affordable 2012 Mercedes-Benz R350 engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Mercedes-Benz R350 engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 2012 Mercedes-Benz R350

If your R350 check engine light is on, it’s time to get it looked at. 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. Possible causes can include a failing oxygen sensor, bad spark plug, a clogged catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your R350 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. rattling sounds, oil leaks, or a sinking feeling that something’s wrong.

Mercedes-Benz R350 Engine Repair

When your Mercedes-Benz R350 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. 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 provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Mercedes-Benz R350 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — timing belt, valve guide seal, ignition coil, or a different component.

Engine Q&A 2012 Mercedes-Benz R350

Why does the check engine light in my R350 turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Mercedes-Benz R350 making engine noise? Strange engine sounds can be a sign something’s off in your Mercedes-Benz R350. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Mercedes-Benz R350 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still 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.
Can I put water in my Mercedes-Benz R350 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 R350 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
Why did my R350 engine 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 can repair my Mercedes-Benz R350 engine? For Mercedes-Benz R350 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.