TPS after tire rotation is showing wrong
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Edit: 221 should use Siemens sensors, learning is different from older Beru sensors, the car might even learn new sensor after a ride but still better to reset the system from the cluster menu.
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From: Iowa
2019 S450
I read the manual.. I reset it as described and it still reads the wrong tire positions. All the reset procedure seemed to do was establish new normal pressures without the warning.
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Did you have a good ride with the car after the reset? If it still did not recognise the change of sensors, perhaps it is best to let the dealer look at the car.
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From: Wisconsin
CL550 1976 450 SL
Somewhat related. I am considering buying an additional set of wheels, so I can use the current 18" to put snows on. Swapping sensors twice a year would be nutso. I have 2007, 117125 off the line.
How do I know what the frequency is for my car, if I look at options besides paying $180 each for new ones from a dealer? I see 433 Mhz; I have seen 315 Mhz. I am not getting wheels through the dlr. I respect you DB, but why must only Siemens be used? Thanks.
How do I know what the frequency is for my car, if I look at options besides paying $180 each for new ones from a dealer? I see 433 Mhz; I have seen 315 Mhz. I am not getting wheels through the dlr. I respect you DB, but why must only Siemens be used? Thanks.
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MBWorld Fanatic!
Joined: Dec 2006
Posts: 6,499
Likes: 335
From: Europe
223.168 & 213.012 & 906.633 & 214.005
Somewhat related. I am considering buying an additional set of wheels, so I can use the current 18" to put snows on. Swapping sensors twice a year would be nutso. I have 2007, 117125 off the line.
How do I know what the frequency is for my car, if I look at options besides paying $180 each for new ones from a dealer? I see 433 Mhz; I have seen 315 Mhz. I am not getting wheels through the dlr. I respect you DB, but why must only Siemens be used? Thanks.
How do I know what the frequency is for my car, if I look at options besides paying $180 each for new ones from a dealer? I see 433 Mhz; I have seen 315 Mhz. I am not getting wheels through the dlr. I respect you DB, but why must only Siemens be used? Thanks.
https://mbworld.org/forums/wheels-ti...-tire-rack-36/
They would certainly know which sensors fit your car.
Usually there is only one supplier for a specific MY, it used to be Beru like for early W211 cars and Siemens for later models and early 221 models. I'm actually not sure which company supplies sensors for current MB models.
Previously tyre pressure sensors were 315 MHz for the US cars and 433 MHz for European cars but some time ago US started accepting 433 MHz sensors and I believe models like the W212 have only one frequency option irrespectively of the market area.
A 2007 W221 however still has 433 MHz for European cars and 315 for US cars. The current MB part number should be A0025407917.
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From: New Orleans
2008 S550 AMG
DB, that is a good question. Do you know specifically if the 433mhz sensors will work on a 315mhz 2007 US w221?
For whatever reason, the 433mhz sensors are so much cheaper and easier to find.
And lastly, do they have to have all the same frequency, i.e. (2) 433mhz, and (2) 315mhz...etc.
For whatever reason, the 433mhz sensors are so much cheaper and easier to find.
And lastly, do they have to have all the same frequency, i.e. (2) 433mhz, and (2) 315mhz...etc.
Last edited by brownbomber; Apr 23, 2011 at 12:49 PM.
MBWorld Fanatic!
Joined: Dec 2006
Posts: 6,499
Likes: 335
From: Europe
223.168 & 213.012 & 906.633 & 214.005
DB, that is a good question. Do you know specifically if the 433mhz sensors will work on a 315mhz 2007 US w221?
For whatever reason, the 433mhz sensors are so much cheaper and easier to find.
And lastly, do they have to have all the same frequency, i.e. (2) 433mhz, and (2) 315mhz...etc.
For whatever reason, the 433mhz sensors are so much cheaper and easier to find.
And lastly, do they have to have all the same frequency, i.e. (2) 433mhz, and (2) 315mhz...etc.
