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Mercedes-Benz 420SEL Oil Change at your home or office.

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Oil Change Service

How much does a Oil Change cost?

On average, the cost for a Mercedes-Benz 420SEL Oil Change is $160 with $55 for parts and $105 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1991 Mercedes-Benz 420SELV8-4.2LService typeOil ChangeEstimate$335.93Shop/Dealer Price$395.58 - $563.88
1990 Mercedes-Benz 420SELV8-4.2LService typeOil ChangeEstimate$289.25Shop/Dealer Price$336.60 - $473.22
Show example Mercedes-Benz 420SEL Oil Change prices

Everything you need to know about oil changes

Engine oil is the lifeblood of the engine. It's imperative to choose quality oil such as Mobil 1 because its been developed to provide cars with premium protection and performance. The oil resides in the oil pan, which is under the car attached to the bottom of the engine. All internal (moving) parts of the engine need to be lubricated by the engine oil. Inadequate lubrication will cause the parts to wear out faster and eventually lead to engine failure. An oil filter keeps the oil clean and free of debris. If the filter is not replaced on a regular basis, it will get clogged and will not be able to pass oil into the engine.

Oil Change Service

Keep in mind:

  • When the oil is changed you should always replace the oil filter.
  • Replacement oil should always match the required specifications for your vehicle. YourMechanic opts to use quality oil designated for your engine type from top tier brands such as Mobil 1.
  • After your oil has been changed, it’s a good idea to run the vehicle for a few minutes to make sure that there are no leaks.

How it's done:

  • Remove and replace engine oil and filter.
  • Check the condition of all fluids.
  • Perform basic safety inspection.
  • Start the vehicle and check for leaks in the system.

Our recommendation:

  • It is best to follow the maintenance schedule provided by the manufacturer (you can check your schedule in your YourMechanic profile).
  • We recommend replacing the oil and filter every based on your car's recommended timing and mileage - usually every 5,000 to 10,000 miles depending on your engine.
  • Synthetic oil (versus regular) is cost effective, especially if you opt for premium oil such as Mobil 1. It’s lubrication properties are better and you will not need oil changes as frequently.
  • If you notice any fluids in your driveway, you should get your vehicle inspected immediately.
  • Do not drive your car with low engine oil. It can severely damage the engine.

What are the common symptoms indicating you need an oil change?

  • The amount of time since your last oil change exceeds the recommended miles.
  • Maintenance light is on.

How important is this service?

Regular oil changes are generally considered the most important maintenance service for your car. To avoid severe engine damage, this simple and inexpensive service should be regularly scheduled.

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Number of Mercedes-Benz 420SEL services completed
209+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
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Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating

(19)
Rating Summary
18
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1
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18
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Erick

11 years of experience
182 reviews
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Erick
11 years of experience
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by Brent
Mercedes-Benz 420SEL V8-4.2L - Oil Change - Palo Alto, California

Dave

24 years of experience
303 reviews
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Dave
24 years of experience
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by Sandra
Mercedes-Benz 420SEL V8-4.2L - Oil Change - San Jose, California

David

33 years of experience
107 reviews
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David
33 years of experience
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by Francisco
Mercedes-Benz 420SEL V8-4.2L - Pre-purchase Car Inspection - Phoenix, Arizona
I felt comfortable with David working on my vehicle. I felt he was honest with me and will recommend his services, as well as, yourmechanics' services to friends and family.

Luther

17 years of experience
57 reviews
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Luther
17 years of experience
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by Jacob
Mercedes-Benz 420SEL V8-4.2L - Inspection / Diagnostics - Atlanta, Georgia

Excellent Rating

(19)
Rating Summary
18
0
0
1
0
18
0
0
1
0
Number of Mercedes-Benz 420SEL services completed
209+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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Hello. The issues you are having sound more like transmission issues. You will want to get a fluid (https://www.yourmechanic.com/services/transmission-fluid-service) and filter (https://www.yourmechanic.com/article/how-does-a-transmission-filter-work) change. After 100,000 miles, it is typical for a fluid change if not sooner. Your owners manual will...
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