Why does the check engine light come on when I start my GLK350?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your GLK350 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Mercedes-Benz GLK350 making engine noise?

Strange under-the-hood noises can point to problems within your Mercedes-Benz GLK350 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 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 GLK350 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to my Mercedes-Benz GLK350 radiator?

While it’s not recommended, you can use water in your GLK350 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.

Why did my GLK350 engine suddenly stop?

There are different reasons your GLK350 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 GLK350 engine?

Your local Firestone Complete Auto Care has you covered with expert GLK350 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Reliable Repairs for 2012 Mercedes-Benz GLK350 Engines

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2012 Mercedes-Benz GLK350 Trim Options

Select your Mercedes-Benz GLK350 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V6/3.5L

Repairs for Your 2012 Mercedes-Benz GLK350

Nothing lasts forever. Even your Mercedes-Benz GLK350's many parts and pieces. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 2012 Mercedes-Benz GLK350.

We’re Trained to Care for Mercedes-Benz GLK350 Engines

Mercedes-Benz GLK350 drivers trust that their GLK350 will take them near and far. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. 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. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Mercedes-Benz GLK350 engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Check Engine Light on 2012 Mercedes-Benz GLK350

If your GLK350 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 control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your GLK350 issues diagnosed and our expert techs will get the root of the problem. Other signs your Mercedes-Benz GLK350 engine needs some TLC are oil leaks, or engine misfiring.

Engine Repairs for Your 2012 GLK350

If your 2012 Mercedes-Benz GLK350 needs engine repair, 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 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. By choosing Firestone Complete Auto Care for GLK350 engine repairs and you can feel good knowing that we only use Mercedes-Benz-compliant replacement parts such as the timing chain or belt, valve guide seal, sensors, or other parts.

2012 Mercedes-Benz GLK350 Engine Q&A

Why does the check engine light come on when I start my GLK350? It’s usually normal for your check engine light to turn on upon ignition. It’s just your GLK350 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Mercedes-Benz GLK350 making engine noise? Strange under-the-hood noises can point to problems within your Mercedes-Benz GLK350 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 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 GLK350 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to my Mercedes-Benz GLK350 radiator? While it’s not recommended, you can use water in your GLK350 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.
Why did my GLK350 engine suddenly stop? There are different reasons your GLK350 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 GLK350 engine? Your local Firestone Complete Auto Care has you covered with expert GLK350 engine repair. Schedule an appointment today and see us at one of our thousands of locations.