Auto box won't kick down

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Ingm80

New Member
Joined
Feb 18, 2015
Messages
10
Location
london
Car
1998 slk 230 auto
Hi

Hoping someone can help. I have a 2003 c220 cdi auto and the box won't kick down. The switch when the accelerator is pressed all the way down clicks but nothing. Also it looks like the revs are limited to below 3000

No faults are showing on the dash

Where shall I start? Change the ATF fluid in the auto box and then where? Am I looking at expensive diagnostics? If someone knows an independent near Middlesbrough that could be a help.

Don't think it can be the MAF sensor as it runs fine.
 
Do not randomly change parts, a proper diagnostic is far cheaper than a fluid change.
 
As above, get it diagnosed

And yes it can be the MAF
 
There are no faults showing on the dash but it won't rev above 3000 ish so I am guessing it's in limp mode. Does it need the star machine or will a hand held one do?
 
Look at my sticky in the engine section.
 

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