Originally Posted by Billerickydicky

I am taking the car into the local MB dealers on Wednesday for them to look at.
I have told them the symptoms and suggest that it may be low on ATF and would like that checked.
They have however said they would need to do a diagnostic check first (£75) and take it from there.
Can you tell if a gearbox is low on fluid by doing such a test - what can it show them about the state of the gearbox?
I would have thought the first thing to do was check the level before billing me for a diagnostic check. It might be just a low fluid problem - if not then certainly look into it further and then bill me!!
Richard