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18530 North Scottsdale Rd, Phoenix, AZ, 85054

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Dealership Info

Phone Numbers:Sales Hours:
  • Mon - Fri9:00 AM - 7:00 PM
  • Sat9:00 AM - 6:00 PM
  • Sun11:00 AM - 5:00 PM
Service Hours:
  • Mon - Fri7:00 AM - 6:00 PM
  • Sat - SunClosed
Parts Hours:
  • Mon - Fri7:00 AM - 6:00 PM
  • Sat - SunClosed
Sprinter Hours:
  • Mon - Fri9:00 AM - 6:00 PM
  • Sat9:00 AM - 5:00 PM
  • SunClosed
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How Often to Change Your Spark Plugs

Man Holding a Spark Plug

If you’re like many Scottsdale drivers, you may be wondering how often to change the spark plugs in your new or used vehicle. Generally, experts recommend replacing them every 30,000 miles, but the distance interval can change depending on your vehicle and driving habits. Review your owner’s manual for additional information or speak with one of the technicians at our service center. In the meantime, read on to get answers to your question, “When do I change spark plugs?

Signs Spark Plugs Need to Be Replaced

Spark plugs are a crucial ignition component; they transfer the ignition coil’s high-voltage current to the combustion chamber, igniting it as you start your car. That being said, if your car’s spark plugs need to be replaced, you’ll notice some warning signs, such as:

  • Engine misfire
  • Engine runs roughly
  • Rough engine idling
  • Weak acceleration
  • Increased fuel usage
  • Slow engine start or startup failure

What Are the Benefits of Replacing Your Spark Plugs?

When you replace spark plugs, you’ll help to prevent the above-listed issues, as well as benefit the performance of your vehicle. Here are a few good reasons to make spark plug replacement part of your car’s maintenance routine:

  • Improved Fuel-Efficiency – Your car’s fuel economy can be reduced by as much as 30% if it has a worn spark plug. Replacing the plug can help regain that lost percentage.
  • Reliable Combustion System – Spark plugs help create continuous combustion and keep your car running as it should.
  • Smooth Engine Starts – If your spark plugs are worn out and it’s hard to start your car, you’ll feel the difference immediately after they’re replaced. They engine will start effortlessly.
  • Reduced Harmful Emissions – Replacing your vehicle’s spark plugs can help limit harmful emissions, as well as increase your car’s fuel economy.

Schedule Spark Plug Service at Mercedes-Benz of North Scottsdale!

Are you experiencing any of the issues noted above due to a bad spark plug? Schedule a service appointment at the Mercedes-Benz of North Scottsdale service center near Mesa and Fountain Hills. Before you schedule, be sure to explore our service specials and parts specials!

Interested in learning more about the services required for your vehicle? Find out how to change a tire, how to replace a brake light, or learn a little bit about your dashboard warning lights today.

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(844) 391-9797

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18530 North Scottsdale Rd • Phoenix, AZ 85054

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Today's Hours:

Open Today! Sales: 9am-7pm

Open Today! Service: 7am-6pm

Open Today! Parts: 7am-6pm

Mercedes-Benz of North Scottsdale 33.6524088, -111.926625.