locks

Hi folks, Couple of Q's I was hoping you might be able to help me with... 1) I found a blue vaccum line under each front seat yesterday, I connected them up to the corresponding connectors in the seats (might help my vaccum probs elsewhere e.g. locks + cold starting).. so Question is... how do...

any idea how to get them on? my 2 year old son is trying to open the door now when we are going along,can't be too hard,can it?

ive just diconnected the battery on my 1999 c280 and when ive tried to unlock the door and boot with the key they wont turn.ive tried both sets and the emergeny key but no go .please help .

Hi All I hope I can glean some practical advice on an older MB! My problem is my driver door lock is playing up. It will lock OK but cannot turn key the other way to unlock it so guess the tumbler is falling apart. I have tried plenty of oil but it is definitely shagged. Now then - it...