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

It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing 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?

Unusual noises can signal a problem with your Mercedes-Benz GLK350 engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your 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 hurt your engine. These habits include driving on an empty fuel tank, 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.

Is it okay to put water in my Mercedes-Benz GLK350 radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

Why did my GLK350 engine suddenly stop?

Your GLK350 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs Mercedes-Benz GLK350 engines?

For Mercedes-Benz GLK350 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.

Reliable Repairs for 2011 Mercedes-Benz GLK350 Engines

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2011 Mercedes-Benz GLK350 Trim Options

Select your Mercedes-Benz GLK350 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz GLK350 parts will get older and change.

V6/3.5L

Repairs for Your 2011 Mercedes-Benz GLK350

Nothing stays the same forever. Even your Mercedes-Benz GLK350’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 GLK350.

We Know Mercedes-Benz GLK350 Engines

The Mercedes-Benz GLK350 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! Things can go wrong on the road. When they do, you might find yourself searching for 2011 Mercedes-Benz GLK350 engine repair or replacement parts. 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 GLK350 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2011 Mercedes-Benz GLK350

If your GLK350 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 or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your GLK350 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine rattling, burning smells, or misfiring.

Engine Repairs for Your 2011 GLK350

When your Mercedes-Benz GLK350 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. 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 provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 2011 GLK350 engine repairs and you can feel good knowing that we only use Mercedes-Benz-compliant replacement parts such as the serpentine belt, motor oil seal, ignition coil, or another part.

2011 Mercedes-Benz GLK350 Engine Q&A

Why does the check engine light come on when I start my GLK350? It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing 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? Unusual noises can signal a problem with your Mercedes-Benz GLK350 engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your 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 hurt your engine. These habits include driving on an empty fuel tank, 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.
Is it okay to put water in my Mercedes-Benz GLK350 radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
Why did my GLK350 engine suddenly stop? Your GLK350 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Mercedes-Benz GLK350 engines? For Mercedes-Benz GLK350 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.