The central locking via the key does not work.
Checked then chnaged battery on both keys
Checked the fuses. I think the yellow relays boxes in the fuses box swappingall relating to the central clocking?

Any advice would be appreciated what could it be or how to fix it.

SJJ, March 2009

you need to buy a new aam control modual .then have your key programed in and this will fix it i have a ml270- cental locking would not work and no alarm --fitted a new one at garage £241 for aam modual and £80 for fitting it and re coading alarm works and so does the cental locking im happy now stan

stan, September 2011

Im having the same problem with mine..did you figure yours out?

MLSRQ, August 2009