W204 Electrical Issues

K1AN1

Active Member
Joined
Nov 24, 2020
Messages
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Your Mercedes
2009 220CDI Sport
Hi All,

A few more problems! The car has sat nav and HK stereo, only problem is, the stereo works intermittently. The screen always come sup, on and display works, but there isn't always sound. There doesn't seem to be a pattern, just whenever it feels like it. Also my footwell lights are always on.

After running a scan I came up with a few SAM codes all of them saying short circuit to positive or an open circuit." The other week, after having some heavy rain, when entering the car there was a puddle of water in the drivers side footwell, not sure if it's related but its been doing it since we brought while it was dry.

Any advice would be greatly appreciated.

Thanks
 

Blobcat

Moderator
Joined
Feb 8, 2006
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Location
Grange Moor
Your Mercedes
R171 SLK280, Smart R451, Land Rover 110 County SW, 997 C2S, R1250 GSA TE 40th, CBR600FP
Hello and welcome

Open the bonnet and clear out the scuttle drains. The water will be coming though the heater into the car and can cause multiple faults
 


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