SL/R230: TPMS question
Thread Starter
Junior Member
Joined: Jan 2012
Posts: 70
Likes: 13
From: Indianapolis
2009 SL550 2009 SL63
TPMS question
Do these cars have it? I've tried looking in the manual and searching around and it seems like there is a menu that you should be able to get to that would show each tire's pressure. All I ever get on mine is "tire low" and you just sort of have to guess which one and how much. I feel like I'm missing something here, or maybe mine is just broken.
Any suggestions?
Any suggestions?
Senior Member
Joined: Nov 2021
Posts: 471
Likes: 119
From: North West England
SL500
Mercedes did use a software version of TPMS, which compared the rotation speed of each wheel using the ABS sensors. If a tire was going flat, its effective diameter (and circumference) reduced, meaning it would need to rotate faster than the others.
Not sure if it was available on the R230 though.
I had a R171 SLK and was able to turn it on using STAR SDS. Worked quite well, detecting a slow puncture. You only got warning message on dash, no indication which wheel.
Full TPMS, with sensors in each wheel was an option.
Not sure if it was available on the R230 though.
I had a R171 SLK and was able to turn it on using STAR SDS. Worked quite well, detecting a slow puncture. You only got warning message on dash, no indication which wheel.
Full TPMS, with sensors in each wheel was an option.
