I'm away from home for a few weeks visiting grandkids and my heater started working only sometimes (85 300sd). Since it's cold my wife doesn't think that's often enough. Would someone link me to the wiring diag? Also, I don't remember how the wood trim comes off, anyone? I remember (I think) that the ashtray comes out, then the radio and somehow the wood in front of the ccu. I'm going to start with solder connections since it heats OK sometimes and other times not at all. Thanks for any help, Jim

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85 300 SD ~ 115K
82 500 SEC Euro ??K
78 450SL 164K