When should Mercedes-Benz GL550 spark plugs be replaced?

When it’s time to replace the spark plugs, don’t delay. These small (but vital!) parts provide the electric spark that your car needs in order to start, and old spark plugs can prevent your car from starting at all. Replace spark plugs on time or about every 30,000 miles or so.

What do I do if I see a pool of liquid under my Mercedes-Benz GL550?

Don't ignore puddles of fluid under your Mercedes-Benz GL550. It could signal a coolant leak, brake fluid leak, or an oil leak. Let any one of these leaks linger and it could cause engine damage.

Are some driving habits better for my Mercedes-Benz GL550 engine than others?

You can make your driving habits more engine-friendly. Hard starts and stops can increase the stress on engine parts, especially over many years. Boost your fuel economy and care for your engine by using gradual, smooth starts and stops instead.

Where can I get a tune-up for my Mercedes-Benz GL550?

At your nearby Firestone Complete Auto Care! Whether you need Mercedes-Benz GL550 service, maintenance, or repairs, our technicians can get the job done.

How often do Mercedes-Benz GL550 fuel injectors need to be cleaned?

The cleaning schedule for vehicle fuel injectors varies depending on your driving conditions and the type of fuel you use. Some manufacturers suggest cleaning your fuel system as part of routine maintenance, while others will recommend it on an as-needed basis if you’re experiencing poor performance. Reference your Mercedes-Benz owner’s manual for exact guidelines.

Who performs Mercedes-Benz GL550 tune-ups?

Visit your nearby Firestone Complete Auto Care for Mercedes-Benz GL550 tune-ups and more. Schedule your appointment online and save big by checking out our latest offers.

2011 Mercedes-Benz GL550 Engine Tune-Ups & Maintenance

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Schedule Your Mercedes-Benz GL550 Tune-Up Service Appointment

Tune in to tune up. Listen to your GL550 and schedule an engine tune-up at the first strange squeak, clunk, or click. Make an appointment today.

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Enhance Mercedes-Benz GL550 Performance with a Tune-Up

Is it tune-up time? If you usually wait until your car has an issue to take it in for service, it might be time to change your ways, especially if you drive a 2011 Mercedes-Benz GL550. Routine engine tune-ups can bring power back to your GL550. Tune-ups give your engine a boost in efficiency, so you can enjoy improved fuel economy and lower emissions. When you follow the guidelines specified by Mercedes-Benz for your vehicle’s tune-up schedule, you invest in your GL550's long-term health and engine performance.

Engine Tune-Up for Mercedes-Benz GL550

Your nearest Firestone Complete Auto Care location has several options to choose from when it comes to Mercedes-Benz GL550 engine tune-up services. One option is the standard Firestone Tune-Up. This includes the installation of new spark plugs and a visual inspection of your engine’s components, plus a lifetime warranty on parts*. Another service option pays special attention to the filters in your GL550. Specifically, we replace the fuel filter and air filter. Our third service is a thorough cleaning of the fuel system. During this type of tune-up, we use a three-step process to get rid of harmful varnish, dirt, and carbon deposit buildup in your GL550’s fuel injectors, throttle body, and throttle plate. This goes a long way in boosting your fuel system’s overall performance. Consider this when choosing a tune-up service for your GL550: your vehicle’s maintenance record and mileage can determine which service is best. If you’re not sure what services are the best fit for your car, let us help! Talk to a technician about your driving style, mileage, and service history to learn more about your vehicle's specific needs.

Where to Get a Mercedes-Benz GL550 Tune-Up

If you’re looking for 2011 GL550 engine tune-up services, head to Firestone Complete Auto Care. Consult your vehicle’s recommended service schedule from Mercedes-Benz, or make a service appointment if you notice any of these symptoms from your engine: stalling or shaky idling when you’re stopped, diminished fuel economy, engine knocking, or an illuminated check engine light.

*Talk to a Firestone Complete Auto Care teammate for full terms and conditions on warranties.

Common Engine Tune-Up Q&A For 2011 Mercedes-Benz GL550s

When should Mercedes-Benz GL550 spark plugs be replaced? When it’s time to replace the spark plugs, don’t delay. These small (but vital!) parts provide the electric spark that your car needs in order to start, and old spark plugs can prevent your car from starting at all. Replace spark plugs on time or about every 30,000 miles or so.
What do I do if I see a pool of liquid under my Mercedes-Benz GL550? Don't ignore puddles of fluid under your Mercedes-Benz GL550. It could signal a coolant leak, brake fluid leak, or an oil leak. Let any one of these leaks linger and it could cause engine damage.
Are some driving habits better for my Mercedes-Benz GL550 engine than others? You can make your driving habits more engine-friendly. Hard starts and stops can increase the stress on engine parts, especially over many years. Boost your fuel economy and care for your engine by using gradual, smooth starts and stops instead.
Where can I get a tune-up for my Mercedes-Benz GL550? At your nearby Firestone Complete Auto Care! Whether you need Mercedes-Benz GL550 service, maintenance, or repairs, our technicians can get the job done.
How often do Mercedes-Benz GL550 fuel injectors need to be cleaned? The cleaning schedule for vehicle fuel injectors varies depending on your driving conditions and the type of fuel you use. Some manufacturers suggest cleaning your fuel system as part of routine maintenance, while others will recommend it on an as-needed basis if you’re experiencing poor performance. Reference your Mercedes-Benz owner’s manual for exact guidelines.
Who performs Mercedes-Benz GL550 tune-ups? Visit your nearby Firestone Complete Auto Care for Mercedes-Benz GL550 tune-ups and more. Schedule your appointment online and save big by checking out our latest offers.

2011 Mercedes-Benz GL550 Maintenance

Stay ahead of any potential issues with your Mercedes-Benz GL550 so your car can keep pace with life! Learn more about proper maintenance for your vehicle below.

Repair Service for Your 2011 Mercedes-Benz GL550

Nothing lasts forever. Even your Mercedes-Benz GL550's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 2011 Mercedes-Benz GL550 repairs.