The 206 CC you mean? The convertible? Very popular car in my country and I have a lot of experience with them. Generally, they're good cars if you buy a good one but like anything, there are a lot of dogs out there. The weak points are,
Radius arm bearings in the rear axle. When they fail, the back end can wander. Look at back arches for signs of the tyres rubbing on the inside. Easily repairable if caught in time. Between me and @shadow79 we can repair them, I've done maybe 20-30.
COMMS2000 unit. This is the unit that houses the indicator and wiper stalks. It also houses the airbag and horn clock spring wires and these can break over time. Telltale sign is the airbag light coming on when you are going round corners or parking. Easily replaced if you know what you're doing. £60 for a second hand unit at home so I guess around 300 dhs here.
Roof stops working. 9 times out of 10, it's the control relay in the back or a fuse. Not an expensive fix.
Theyre not bad cars but make sure it has been serviced according to schedule. Timing belt, oil and filter, and if it's automatic most importantly the transmission oil. The autos will only run on clean oil and you generally only get one chance with them. When it's cooked, it's cooked and they need a rebuild.
I was dubious that you said it was 2009 model so I checked. Apparently they built them up to 2016 in GCC. We stopped building and selling them in 2006. Every day is a school day.