C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

brake assist / bas

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Old Dec 30, 2013 | 01:08 PM
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merc c180's Avatar
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2010 E250CDI ESTATE, 2011 C220CDI ESTATE
brake assist / bas

I have a 2002 c180 and bas comes up on the display

Delphi diagnostics gives unknown fault codes but the car drives fine, brakes fine and the brake lights work

Abs warnings lights etc are not on

Any idea what might this be ?
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Old Dec 31, 2013 | 07:08 AM
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krazzdav's Avatar
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2017 GLA 250, 2011 C63 P31 (p30 w/ lsd) (in repair), 2005 C230 Sport Eurocharged, 2003 C320~sold
Depending on the date of manufacturer it's common for the brake switch to go bad. It seems if it is the brake switch your cruise control won't work either. If the wrong brake fluid was used can also cause the problem.

Check these posts out--
https://mbworld.org/forums/c-class-w...kshop-bas.html

https://mbworld.org/forums/c32-amg-c...yesterday.html
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