Mercedes TPMS Light On, How to Reset, Programming, Sensor Replacement

Tire Pressure Monitor (TPM) monitors your Mercedes-Benz tire pressure of all four tires and will warn you if any of the tires has low pressure. Often referred to as TPMS, it has sensors that are installed at all the four tires and readings from each tire are transmitted to the TPMS control unit. It is important to understand that even though TPMS reset and programming are used interchangeably, they are different procedures. Reset or relearn is when you set new pressure on your tires, install a new OEM TPMS sensor or rotate tires and the car needs to recognize the new location of the TPMS sensors. TPMS programming is when manual programming is required prior to installing a universal TPMS sensor. During programing the mechainc will copy the ID of the defective TPMS sensor and copy it to the new TPMS sensor. This procedure is also referred to as TPMS cloning.

In this article we will discuss:

How to reset / relearn Mercedes-Benz TPM / TPMS

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Depending on the Mercedes model you have try one of the following instructions.

How to reset (program) TPM (TPMS) in most Mercedes-Benz

1. Check the recommended tire pressure on the inside of the fuel door.
2. Access the Service Menu by using the steering wheel buttons.
3. Scroll until you see TIRE PRESSURE.
4. Press OK on the steering wheel.
5. You should see pressure readings from each tire. If the pressure is too low you will see a warning for that specific tire that is out of range.
6. If you receive a message TIRE PRESSURE TO DISPLAY AFTER A FEW MINUTES drive for several minutes and check the pressure again.
7. Next use the steering wheel buttons to restart the TPMS.
8. Press OK to confirm.

Correct the tire pressure. Add air as to bring the tire pressure within range. You can add air to your Mercedes by going to a service station or you can use a small 12 air compressor gauge to do this at home. We would recommend a portable air compressor such as the HV-35 SuperFlow 12-volt compressor. It has a built-in gauge and is able to inflate a tire in 3 minutes plus its inexpensive. Click on the provided link to check the price and use reviews on Amazon.

If the instructions above did not work try the following instructions. 

TPM INSTRUCTIONS 1:

1. Press forward/back button on steering wheel until trip and odometer are displayed.
2. Press UP or DOWN until tire pressure monitor is shown.
3. Press PLUS button, TIRE PRESS. MONITOR-ACTIVATED!-PRESS. May require driving for few minutes.
4. If REACTIVE-TIRE PRESS. MONITOR appears then repeat procedure.
5. If TIRE PRESS.-CHECK TIRES shows then tire pressure is too low or too high..

TPM INSTRUCTIONS 2:

• Press UP/DOWN button on the steering wheel until you see: TIRE PRESSURE MONITOR CONNECTED REACTIVATION.
• Press + button, TIRE PRES. NOW OK? is shown.
• Press + button, TIRE PRESSURE MONITOR REACTIVATED is displayed.

TPMS INSTRUCTIONS 3:

• Press UP/DOWN button on the steering wheel to select RUN FLAT TIRE INDICATOR ACTIVE. REACTIVATION POSS.
• Press + button, TIRE PRES. NOW OK? is shown.
• Press + button, RUN FLAT INDICATOR REACTIVATED is displayed.

To relearn new sensors ID’s car must be driven 10 mins at over 15 mph.

Where to buy inexpensive Mercedes TPMS sensors?

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If you need new TPMS Tire Pressure Monitoring Sensor for Mercedes C CL CLK CLS E G GL ML check the following listing on Amazon. You will find aftermarked and genuince MB TPMS sensors. They cost a fraction of the price compared to what you may pay at a dealer and can be installed by most tire shops.

• Genuine Mercedes-Benz Tire Pressure Monitoring System (TPMS) Sensor, Valve
• Schrader Electronics Tire Pressure Monitoring System Sensor A0035400217
• Tire Pressure Monitor Sensor TPMS for MercedesC300 S550 Smart A0035400217 E350 A0009050030

Installing aftermarket TPMS sensors

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There are many universal TPMS sensors that can be used on Mercedes-Benz. These are known as cloneable sensors. Typically these sensors require programming but there are some units such as multi-fit Universal Programmable  System Kit that doesn’t require factory relearn process.

We would recommend that every new TPMS sensor be relearned to your vehicle as recommended by the manufacturer whether you are using an aftermarket or genuine OE sensor. Aftermarket sensors may need special programming to installation and relearn. This applies to many  “programmable”, “universal” or “cloneable” sensors.

How to install / retrofit TPMS in Mercedes-Benz cars?

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It is possible to even install TPMS on your Mercedes-Benz if it didn’t come with the system installed at the factory. In order to install the TPMS on your Mercedes, you need to first check that you have TPM Control Unit and the receiving module installed.  If you have the TPMS module installed you can watch the following video on how to install TPMS in your Mercedes-Benz. You will need four new genuine Mercedes-Benz TPMS monitoring sensors which you can purchase on Amazon (check price) for much less than the dealer.

Can I install TPMS sensor and not perform relearn or programming?

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Yes, if you can clone the ID of the existing TPMS sensor. If you copy the ID of the existing sensor and write it on the new sensor, then you don’t need to carry any programming at the dealer. This is possible with TPMS sensor such as Dorman Multi-fit Universal Tire Pressure Monitoring System Kit. If you take a look at that link, there is a video on the product description that explains in detail how this works.

What frequnecy are Mercedes TPMS Sensors?

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Mercedes TPMS frequency requirements: 315 MHz sensors in US and 433 MHz sensors in Europe.

What is the expected life of Mercedes TPMS Sensor?

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Inside the Mercedes TPMS you will find a lithium ion battery. The life span of Mercedes TPMS sensors can vary between 6 to 10 years, in some cases they can last even longer. Avoid using products such as Fix-a-flat as they will drastically reduce the life of the TPMS sensors.