Mercedes-Benz SLC300 EGR Temperature Sensor Replacement at your home or office.

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EGR Temperature Sensor Replacement Service

How much does a EGR Temperature Sensor Replacement cost?

On average, the cost for a Mercedes-Benz SLC300 EGR Temperature Sensor Replacement is $254 with $159 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2017 Mercedes-Benz SLC300L4-2.0L TurboService typeEGR Temperature Sensor ReplacementEstimate$432.35Shop/Dealer Price$521.69 - $767.21
2018 Mercedes-Benz SLC300L4-2.0L TurboService typeEGR Temperature Sensor ReplacementEstimate$430.95Shop/Dealer Price$524.96 - $784.44
Show example Mercedes-Benz SLC300 EGR Temperature Sensor Replacement prices

What is the EGR Temperature Sensor all about?

Vehicle manufacturers have been required for decades to lower the level of car emissions. One of the earliest methods of pollution control was the exhaust gas recirculation system, which is still in use by nearly all vehicles today. The exhaust gas recirculation (EGR) system re-introduces partially burned exhaust gases into the intake manifold along with the air/fuel mixture to complete its burn before being expelled out the tailpipe and into the atmosphere.

The EGR valve opens and closes to regulate the amount of exhaust to allow into the intake. The EGR temperature sensor is mounted in the EGR tube and measures the temperature of the exhaust gases entering the EGR valve. The engine control module receives the information from the EGR temperature sensor, determines the correct amount of flow through the EGR valve, and adjusts the valve accordingly. If the EGR temperature sensor isn’t reading properly, the EGR valve will not be open in the correct position. It can cause engine knock, which will cause internal engine damage. The Check Engine light can come on with EGR system-related codes and the emissions from the tailpipe will exceed the maximum standards set by your state’s smog/emissions test.

Keep in mind:

  • If the EGR temperature sensor is being replaced, check for proper operation of the EGR valve as well.
  • The EGR temperature sensor is extremely hot while the engine is on. Allow the engine to cool before attempting to inspect or service the temperature sensor.

How it's done:

  • The EGR temperature sensor is verified that it needs to be replaced. The engine top trim cover is removed.

  • The defective EGR temperature sensor is removed by disconnecting the electrical connection and removing the sensor from the EGR base or tube.

  • The new EGR temperature sensor is installed into the EGR tube and the electrical connection is reconnected.

  • The engine is started and the EGR temperature sensor is tested for operation. The engine trim cover is reinstalled.

  • The vehicle is road tested to ensure proper operation of the EGR temperature sensor.

Our recommendation:

The EGR temperature sensor should last the lifetime of your vehicle. It would be advisable to have the EGR system scanned when a smog test is performed, especially if the test fails. If the EGR temperature sensor is reading incorrectly, one of our expert technicians will need to replace it.

What common symptoms indicate you may need to replace the EGR Temperature Sensor?

  • Audible engine knock
  • Check Engine light is on
  • Failed emissions or smog test

How important is this service?

If left unaddressed, the engine knock caused by a faulty EGR temperature sensor will produce internal engine damage which can only be fixed through expensive repairs. You will likely fail a smog test with a faulty EGR temperature sensor. If the EGR temperature sensor fails, have it replaced quickly.

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Rating Summary
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Mazyar

8 years of experience
497 reviews
Mazyar
8 years of experience
Mercedes-Benz SLC300 L4-2.0L Turbo - Brake Pads Replacement (Front) - Atlanta, Georgia
Could not have been more pleased with the great customer experience provided by Mayzar. He was early on a day that was very nasty due to weather. Kept me updated and made sure I understood everything he did. Looking forward to my next maintenance experience with Your Mechanic team.

Jonathan

35 years of experience
489 reviews
Jonathan
35 years of experience
Mercedes-Benz C230 L4-2.3L Turbo - Car is not starting - Pinellas Park, Florida
I've never used this type of service before and was hesitant, which I'm sure most would be. But if Jonathan is was to expect from other professionals working for Your Mechanic, than I'm completely sold. Jonathan arrived on time and jumped right in. Prior to his arrival I had watch a Youtube video on the symptoms of my vehicle. The video I watched had a very skilled mechanic going through several procedures to drill down to the specific problem, but clearly the guy in the video seemed like he works with Mercedes all the time, so I was concerned what type of knowledge Jonathan might have on a Mercedes. Jonathan arrived, popped my hood, had me start the car, etc. He then proceeded to run through the same checks I just watched in the video! Not only that, I could clearly see Jonathan's skill level with a Mercedes. This man knew where everything was without hesitation. He is an extreme, highly skilled professional Mercedes mechanic. I can say this without a doubt. My wife had driven my car the day before, and it stalled on her in the middle of the row. The vehicle had been running rough before then. Jonathan checked to see if I was getting fuel to the engine, he then checked the fuel pump to make sure that it was starting when the vehicle turned on. And that when he asked 'is there fuel in the car?'. I was like, well it was a 1/4 a tank before my wife drove. Jonathan said go get some gas and I'll wait. Ran to the store, put 2 gallons in a portable tank, added the fuel and in started right up. Jonathan asked me to drive it around the block just to be sure, which I did and everything was fine. There is no doubt in my mind that if I would have taken this to a shop, I would have walked out with a $500 bill and a new fuel pump. Jonathan just earned Your Mechanic a customer for life. This man is worth his weight in gold (and then some). Needless to say - i'm extremely impressed. And embarrassed that my wife ran the car out of gas ;) Jonathan was friendly, professional, helpful, on time and most importantly honest.

Nicholas

11 years of experience
597 reviews
Nicholas
11 years of experience
Mercedes-Benz CLK320 V6-3.2L - Oil Change - Raleigh, North Carolina
Nicholas was right on time, very pleasant and Explained everything he did and what I need in the near future for my Car.

Alejandro

9 years of experience
82 reviews
Alejandro
9 years of experience
Mercedes-Benz ML350 V6-3.5L - Spark Plugs - Los Angeles, California
Alejandro showed up right on time, was very courtious and thorough about the service he was doing, and got the job done in a very professional manner. He was excellent. Would definitely ask for him again.

Excellent Rating

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Rating Summary
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123
5,332
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