Al Quds Al-Arabi: S-300 already delivered to Syria
Al Quds Al-Arabi May 13, 2013
http://www.alquds.co.uk/?p=43881
Google translation

Damascus - Al Quds Al-Arabi: ...A Syrian military source reports that Moscow
delivered missiles to the Syrian army after the outbreak of the Syrian
crisis and Syrians experts have completed their training on the missile
system, which is now under full Syrian supervision and control, without the
need to be managed by Russian experts.

The missiles have a range of more than 150 200 kilometers, and can hit
targets accurately...

The same source also says that Benjamin Netanyahu will hear in Russia that
the Russian Defense Ministry already delivered the S-300 missile system to
Damascus and that it has been transferred and is in place in Syrian
territory. Source indicated that the next stage is to fully transfer the
supervision, management and control of the system to the Syrian military.

.