1990 300 SE Draining Battery and over heating - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 01-29-2011, 08:04 AM Thread Starter
BenzWorld Newbie
Date registered: Jan 2011
Vehicle: 1990 300 SE
Location: New Jersey
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1990 300 SE Draining Battery and over heating

For the last couple of weeks my car has been driving me no where but nuts !! First I noticed that the battery wasn't recharging because I got stuck when all the lights dimmed and the car died. So I replaced the alternator. Car worked good for about a week then did the same thing. So I replaced the battery at which time the alternator checked out good. Now when I go over 40 MPH the temp starts going Towards 120c the faster I go the higher the temp. If I stay at 40MPH the temp stays at 80c? Now the battery is also draining again but the charger says the alternator is good? Also have a loud squelling noise, the faster I go the louder it gets ?? Can someone please help me?? I really love the car when it s running !!
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