Why does my GLS350d’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. 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 does my Mercedes-Benz engine sound different?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz GLS350d. Tapping or knocking could mean you're low on 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 GLS350d engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Mercedes-Benz GLS350d 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 GLS350d engine suddenly stop?

Your GLS350d 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 GLS350d engines?

Your local Firestone Complete Auto Care has you covered with expert GLS350d engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2017 Mercedes-Benz GLS350d Engine Repair

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2017 Mercedes-Benz GLS350d Trim Options

Select your Mercedes-Benz GLS350d trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz GLS350d parts will get older and change.

V6/3.0L

2017 Mercedes-Benz GLS350d Repair

Nothing stays the same forever. Even your Mercedes-Benz GLS350d's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 2017 Mercedes-Benz GLS350d repairs.

We Know Mercedes-Benz GLS350d Engines

The Mercedes-Benz GLS350d 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 wrong on the road. When they do, you might find yourself searching for 2017 Mercedes-Benz GLS350d engine repair or replacement parts. 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 GLS350d engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 2017 Mercedes-Benz GLS350d

An illuminated check engine light on your Mercedes-Benz GLS350d is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your car’s starter, Causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your GLS350d in for an on-board diagnostic check and our expert techs will get the root of the problem. engine pinging noises, burning smells, or engine misfiring.

2017 GLS350d Engine Services

When your Mercedes-Benz GLS350d 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 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 want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Mercedes-Benz GLS350d engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — cambelt, valve guide seal, sensors, or another part.

Engine Q&A 2017 Mercedes-Benz GLS350d

Why does my GLS350d’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. 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 does my Mercedes-Benz engine sound different? Strange engine sounds can be a sign something’s off in your Mercedes-Benz GLS350d. Tapping or knocking could mean you're low on 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 GLS350d engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Mercedes-Benz GLS350d 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 GLS350d engine suddenly stop? Your GLS350d 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 GLS350d engines? Your local Firestone Complete Auto Care has you covered with expert GLS350d engine repair. Schedule an appointment today and see us at one of our thousands of locations.