Know what you're getting into first. I was a proponent of Hybrids in SL until I started looking into service side of the equation.
Below are some parts that is Hybrid unique that if goes wrong will set you back few bucks. Parts only pricing. All in US $$ and the cost in US. In SL prices may be significantly higher + labor if you find one that is qualified.
HV inverter $3,800
AC Compressor $2,800
Battery pack $5,000
Transmission $3,500 --- $7,000+ depending on what went out.