Mercedes-Benz 300SEL Transmission Fluid Service at your home or office.

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Transmission Fluid Service Service

How much does a Transmission Fluid Service cost?

On average, the cost for a Mercedes-Benz 300SEL Transmission Fluid Service is $240 with $107 for parts and $133 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1990 Mercedes-Benz 300SELL6-3.0LService typeTransmission Fluid ServiceEstimate$374.95Shop/Dealer Price$452.94 - $631.79
1991 Mercedes-Benz 300SELL6-3.0LService typeTransmission Fluid ServiceEstimate$346.95Shop/Dealer Price$424.98 - $603.86
1988 Mercedes-Benz 300SELL6-3.0LService typeTransmission Fluid ServiceEstimate$346.95Shop/Dealer Price$424.98 - $603.86
1989 Mercedes-Benz 300SELL6-3.0LService typeTransmission Fluid ServiceEstimate$346.95Shop/Dealer Price$424.92 - $603.76
Show example Mercedes-Benz 300SEL Transmission Fluid Service prices

What is the transmission fluid all about?

Transmission fluid helps cool and lubricate your vehicle’s transmission’s internal parts. The transmission transfers power from the engine to the wheels of the car. An automatic transmission shifts the car into different gears depending on the speed that you are driving. In an automatic transmission car, the transmission system has an oil pan that contains the transmission fluid and fluid filter. The fluid provides the power/force required to shift into different gears. In manual transmission cars, there is a case that contains the transmission fluid.

Contrary to an automatic transmission, the fluid in a manual system is not directly involved in changing gears, because it is a mechanical system, whereas an automatic transmission is hydraulic. If an automatic transmission does not have enough fluid, or the fluid has been contaminated, it is possible for the transmission to start to slip and eventually fail. If a manual transmission does not have enough fluid, or the fluid has been contaminated, it is possible for the transmission to become noisy, the internal parts to wear out faster and eventually for the transmission to fail.

Keep in mind:

  • An automatic transmission fluid service will replace the pan gasket, filter, and transmission fluid. Some vehicles do not have a serviceable transmission filter and some transmissions are designed to be “sealed for life,” meaning that they do not require any service or maintenance. Check your owner’s manual for information on whether you have a sealed system or not.

  • Unlike an automatic transmission, a manual transmission does not contain a filter, which means that as components wear, the transmission fluid picks up particles of metal and is unable to filter them. This is why it is very important to perform a transmission fluid service as per manufacturer recommendations.

How it's done:

  • Drain the transmission fluid
  • (Automatic only) Install new pan gasket and filter (if replaceable)
  • Add the proper type and quantity of oil/fluid for your transmission
  • Check for leaks
  • Test drive the vehicle

How do Mechanics Change Transmission Fluid? :

  • Drain the transmission fluid.
  • (Automatic only) Install new pan gasket and filter (if replaceable).
  • Add the proper type and quantity of oil/fluid for your transmission.
  • Check for leaks.
  • Test drive the vehicle.

Our recommendation:

A conservative rule of thumb is that a car should get a transmission fluid service every 40,000 miles. If you notice any fluid underneath the car, get it inspected as soon as you can. Changing your transmission’s fluid regularly will greatly extend the service life of your vehicle’s transmission.

What are the common symptoms indicating you need to replace the transmission fluid?

  • Vehicle has a hard time running
  • Vehicle stalls when going up or down a steep incline
  • Check Engine Light is on
  • Transmission makes noise

How important is this service?

Transmission fluid services are an important part of regular maintenance and will increase the service life of your transmission. According to the Automatic Transmission Rebuilders Association, 90% of automatic transmission failures are caused by overheating and can be often blamed on transmission fluid that should have been replaced.

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Meet some of our expert Mercedes-Benz mechanics

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Excellent Rating

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Robert

17 years of experience
28 reviews
Robert
17 years of experience
Mercedes-Benz 300SEL L6-3.0L - Drive Belt Tensioner - Newtown Square, Pennsylvania
Robert has a positive attitude and is very professional. He got my vintage (ancient?) Mercedes all patched up and running again. I would definitely recommend Robert without hesitation!

Chris

22 years of experience
2247 reviews
Chris
22 years of experience
Mercedes-Benz GL450 V8-4.6L - Transmission Fluid Service - Newport Beach, California
Great service and great guy!

Robert

40 years of experience
37 reviews
Robert
40 years of experience
Mercedes-Benz SL550 V8-4.6L Turbo - Transmission Fluid Service - Phoenix, Arizona
He was friendly , competent and took his time to do the job correctly . I would definitely use him for my future auto needs

Anton

15 years of experience
13 reviews
Anton
15 years of experience
Mercedes-Benz E350 V6-3.5L - Transmission Fluid Service - Staten Island, New York
Anton is a very professional and punctual mechanic. He was very transparent regarding the service. He asked questions as well explained in detail what he was doing. Overall, I am extremely satisfied with his level of professional and skill. Definitely will use him again. Car shifts like a brand new car.

Excellent Rating

(32)

Rating Summary
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Number of Mercedes-Benz Transmission Fluid Service services completed
352+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
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