SLK/R171: R171 rain sensor part numbers
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W203 slightly modified
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Same unit is used in the A-Class (169) SLK (171) and B (245)
Light and rain
----------------------------------
A 171 820 15 26 ( code setting 28 )
A 171 820 37 26 ( code setting 30 )
A 171 820 39 26 ( code setting 32 )
Light only
----------------------------------
A 171 820 30 26 ( code setting 28 )
A 171 820 38 26 ( code setting 30 )
A 171 820 40 26 ( code setting 32 )
The code setting is VERY important as it relates to a menu setting in the OCP (thing in the middle on the top of the windscreen)
Prices range from 90USD - 60USD for the units + installation
It appears that the reason why the activation doesnt work is that some cars only have a light sensor
Light and rain
----------------------------------
A 171 820 15 26 ( code setting 28 )
A 171 820 37 26 ( code setting 30 )
A 171 820 39 26 ( code setting 32 )
Light only
----------------------------------
A 171 820 30 26 ( code setting 28 )
A 171 820 38 26 ( code setting 30 )
A 171 820 40 26 ( code setting 32 )
The code setting is VERY important as it relates to a menu setting in the OCP (thing in the middle on the top of the windscreen)
Prices range from 90USD - 60USD for the units + installation
![thumbs](https://mbworld.org/forums/images/smilies/thumbsup.gif)
It appears that the reason why the activation doesnt work is that some cars only have a light sensor
![nix](https://mbworld.org/forums/images/smilies/nixweiss.gif)
Last edited by benzmodz; 09-18-2005 at 06:51 PM.