It will disappear when the receipient has read your PM already.
For example there are 2 in your outbox and none in your sent. Meaning two receipients have not yet received your PM to them, and if one of them receives it, it will appear now as just 1 in your outbox, and indicates whichever PM has not yet been read.
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Related Threads
?
?
?
?
?
Mercedes-Benz Forum
7.6M posts
693.6K members
Since 1999
BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more!