As the title suggests - My 1996 SL 320 is taking too long to kick in the heater from cold start. Sometimes up to 20 minutes. This was ok in the summer but come winter I will find this extremely painful.
Tried a search here and other forums but there is not much on heating issues. Any ideas or pointers will be appreciated. Hoping to get this sorted myself.
This slow heat problem is usually due to a premature opening thermostat. Check for correct thermostat operation and make sure all air is purged from cooling system.
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