Mercedes-Benz 300D Transmission Position Sensor (Switch) Replacement at your home or office.

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Transmission Position Sensor (Switch) Replacement Service

How much does a Transmission Position Sensor (Switch) Replacement cost?

On average, the cost for a Mercedes-Benz 300D Transmission Position Sensor (Switch) Replacement is $150 with $55 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1992 Mercedes-Benz 300DL5-2.5L Turbo DieselService typeTransmission Position Sensor (Switch) ReplacementEstimate$224.75Shop/Dealer Price$269.69 - $365.14
1990 Mercedes-Benz 300DL5-2.5L Turbo DieselService typeTransmission Position Sensor (Switch) ReplacementEstimate$204.75Shop/Dealer Price$249.72 - $345.19
1991 Mercedes-Benz 300DL5-2.5L Turbo DieselService typeTransmission Position Sensor (Switch) ReplacementEstimate$204.75Shop/Dealer Price$249.72 - $345.19
1993 Mercedes-Benz 300DL5-2.5L Turbo DieselService typeTransmission Position Sensor (Switch) ReplacementEstimate$204.75Shop/Dealer Price$249.68 - $345.12
Show example Mercedes-Benz 300D Transmission Position Sensor (Switch) Replacement prices

What is the Transmission Position Sensor (Switch) all about?

Vehicles equipped with an automatic transmission are designed to start only in park or neutral gears. If a vehicle is able to start in reverse or drive gears, it can unintentionally move, causing damage to property or injuries to occupants or bystanders. For this reason, automakers have developed a safety shutdown called a transmission position sensor or range sensor that cuts the power to the starter control circuit if the vehicle is not in park or neutral. This sensor or switch is typically mounted on the side of the transmission and screws into the body of the transmission to detect in which gear the transmission is engaged. If the driver attempts to start the vehicle when the transmission is engaged in a gear other than park or neutral, power is not distributed to the starter circuit. The vehicle will not crank, preventing unintentional vehicle movement. If the transmission position sensor, or range sensor fails, the vehicle may be able to start while engaged in a drive gear.

Keep in mind:

  • Symptoms related to the transmission position sensor mimic those of other common problems.
  • Professional mechanics need to diagnose the symptoms for accurate repair.
  • The transmission position sensor is also commonly referred to as a transmission range sensor.

How it's done:

  • The faulty transmission position sensor switch is identified
  • The vehicle is lifted and supported on jack stands
  • The defective transmission position sensor switch is then removed
  • The new transmission position sensor switch is installed and the vehicle taken off the jack stands
  • The repair is verified and the vehicle is road tested for proper operation

Our recommendation:

While the transmission position sensor is does not require any routine service, as an electronic part, it can fail. If your automatic transmission-equipped vehicle is able to start in a gear other than park or neutral, or if your vehicle will not start when in park or neutral, you may need to replace the transmission position sensor.

What common symptoms indicate you may need to replace the Transmission Position Sensor (Switch)?

  • Engine will not start at all
  • Engine will only start in neutral gear, not in park
  • Engine will start in engaged in drive or reverse gear

How important is this service?

If your vehicle is able to start in gear, there is potential to cause injury to people or damage to property. If the range sensor fails, have it replaced immediately.

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Jean

15 years of experience
71 reviews
Jean
15 years of experience
Mercedes-Benz 300D L5-3.0L Turbo Diesel - Car is not starting Inspection - Tampa, Florida
Jean did an excellent job Showed up early He did Above and beyond Service

Tabitha

17 years of experience
322 reviews
Tabitha
17 years of experience
Mercedes-Benz 300D L5-3.0L Turbo Diesel - Oil Change - San Diego, California
She arrived before the appointment time. Very professional. Worked completed in no time.

Michael

27 years of experience
95 reviews
Michael
27 years of experience
Mercedes-Benz 300D L5-3.0L Turbo Diesel - Oil Change - Houston, Texas
Great service. Thank you.

Chris

16 years of experience
47 reviews
Chris
16 years of experience
Mercedes-Benz 300D L5-3.0L Turbo Diesel - Water Pump - Castro Valley, California
Chris was great to work with.

Excellent Rating

(14)

Rating Summary
13
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1
13
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Number of Mercedes-Benz 300D services completed
154+
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