Typically that is the relay that holds the interior lights on for the 30 seconds or so after you close the door. If I remember correctly, it's actually an electronic relay and the lights go out, but the current draw remains around 1A, more than enough to flatten the battery overnight, or at least over a day or two.
Pretty common on the W124/6 models, we've replaced a few over the years. _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com