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I will be stroring my 2003 SL 500 in my garage for the winter and intend to trickle charge the batteries. Anyone know if I need to charge the battery under the hood, in the trunk or both? Any advice appreciated.
 

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99 E430, 01 E430 Sport, 00 SL500
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I would just disconnect the battery if the car is stored for many months. Make sure you have the radio code.
On my car, there's only 1 nut to remove to disconnect the battery, it's located on the lower right rear backseat.
 

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1962 W111 220SE Coupe
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I would just disconnect the battery if the car is stored for many months. Make sure you have the radio code.
On my car, there's only 1 nut to remove to disconnect the battery, it's located on the lower right rear backseat.
I second this opinion but would like to further ad that you can also buy a battery cutoff switch for $2-10 and can cut power easily anytime without tools. This is especially helpful when performing many maintenance tasks that require a battery disconnect.
 
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