Why does the check engine light in my R320 turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your R320 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my Mercedes-Benz engine sound different?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz R320. 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 a sign of brake problems rather than engine issues.

What could damage my Mercedes-Benz R320 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car 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.

Can I put water in my Mercedes-Benz R320 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.

What could cause my R320 engine to suddenly stop?

Reasons your R320 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Where can I go for Mercedes-Benz R320 repair?

Your local Firestone Complete Auto Care has you covered with expert R320 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2007 Mercedes-Benz R320 Engine Repair

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2007 Mercedes-Benz R320 Trim Options

Select your Mercedes-Benz R320 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz R320 parts will get older and change.

V6/3.0L

Repairs for Your 2007 Mercedes-Benz R320

Stuff wears out. Even your Mercedes-Benz R320's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2007 Mercedes-Benz R320 services.

We Care for Mercedes-Benz R320 Engines

Mercedes-Benz R320 engines are known for their 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. If the unexpected strikes, you may search the internet frantically for quick and affordable 2007 Mercedes-Benz R320 engine repairs. 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 R320 engines. Schedule a courtesy inspection at the first sign of engine trouble. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 2007 Mercedes-Benz R320

If your R320 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. Possible causes can include a failing oxygen sensor, bad spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your R320 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. Other signs it's time for Mercedes-Benz R320 engine service might include essential fluid leaks, or engine misfiring.

Engine Repairs for Your 2007 R320

When your Mercedes-Benz R320 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. 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 give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2007 R320 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — timing chain or belt, oil gasket, sensors, or other parts.

Engine Q&A 2007 Mercedes-Benz R320

Why does the check engine light in my R320 turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your R320 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my Mercedes-Benz engine sound different? Strange engine sounds can be a sign something’s off in your Mercedes-Benz R320. 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 a sign of brake problems rather than engine issues.
What could damage my Mercedes-Benz R320 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car 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.
Can I put water in my Mercedes-Benz R320 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.
What could cause my R320 engine to suddenly stop? Reasons your R320 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Where can I go for Mercedes-Benz R320 repair? Your local Firestone Complete Auto Care has you covered with expert R320 engine repair. Schedule an appointment today and see us at one of our thousands of locations.