2009 C250 goes into sport mode and I cant turn it off without restating the car

[Stevenmac01]

Hi
I'm as mentioned in the title my 59 reg c250 cdi sport is going into sport mode on it's own. It's in comfort mode for about 200 meters then changes into sport mode and I cant turn it off without restarting the car.
Questions I have are -
1. Is it supposed to do that?
2. (If not) can anybody tell me why it's doing that?
3. Is it an easy fix?.

Thank you in advance

 

[Blobcat]

I'm presuming you have a switch by the gear selector to switch modes. Has anything been spilled on it?

 

[Stevenmac01]

Not as far as I'm aware. it's the button on the dash that lights up and I cant turn it off unless I restart the car

 

[dry run]

Do You mean button on the dash or light on the dash?

 

[Stevenmac01]

There is a button on the dash that lights up by itself without putting it into sport and I cant turn it off it only goes off when I restart the car

 

[Stevenmac01]

Its starts 9ff in C mode then automatically changes to S. Thanks

 

[Blobcat]

Picture please

 

[Stevenmac01]

Sorry I'm unable to post pics at this time

 

[Stevenmac01]

Sorry got a pic it's this button that lights up and I csnt turn it to C mode its stuck in S
Thanks

 

[L888MTH]

Sorry got a pic it's this button that lights up and I csnt turn it to C mode its stuck in S
Thanks

Hi Steven,

I am having the same problem with my e350. did you manage to find out what the issue was on this sports mode?

 

[Srdl]

Hi Steven,

I am having the same problem with my e350. did you manage to find out what the issue was on this sports mode?

Another member is also having this problem:
https://forums.mercedesclub.org.uk/index.php?threads/first-glitch.178833/

 

[JBell]

Sorry got a pic it's this button that lights up and I csnt turn it to C mode its stuck in S
Thanks

The sport mode button is on the right of the gearlever at the back of the long black panel with P R N D on

 

[vtaylor78]

Isn’t this the problem Tony (Smart AMG) has ???.
I’m not sure what section the thread is in , think it’s called “First Glitch”

 

[bembo449]

surely there is a selector issue with all of these cars ??

 

[Srdl]

Isn’t this the problem Tony (Smart AMG) has ???.
I’m not sure what section the thread is in , think it’s called “First Glitch”

Yep, see post #11

 

[vtaylor78]

Yep, see post #11

Cheers, I missed your post before I sent mine

 

[alexanderfoti]

Its likely you have a fault with a level sensor/wiring up to it. ( assuming you have the sport button on your dash with the red light).

It needs to be diagonised and repaired.

 

[L888MTH]

Another member is also having this problem:
https://forums.mercedesclub.org.uk/index.php?threads/first-glitch.178833/

Thank you very much for this link.

Mercedes has told me that there was a senser lead that was not fully plugged in on the suspension. they have said it has stopped it switching to sport mode but I am picking it up today so I can confirm this. Many thanks.

 

[SmartAmg]

Thank you very much for this link.

Mercedes has told me that there was a senser lead that was not fully plugged in on the suspension. they have said it has stopped it switching to sport mode but I am picking it up today so I can confirm this. Many thanks.

Interested in the outcome of this.

 

[L888MTH]

The outcome was, that it is still flicking to sports mode which is annoying. The one possible saving grace is that the turbo charger either needs cleaning as there is a lot of soot there. Or replacing with a recon one. That maybe playing a hand in the sports mode. It certainly causes it to knock now and again when the gear change happens in low gears. That sound plausible?