Sorry didn't answer your second question, Yes available on Mercs known as Touch-shift.
Other manufacturers use Tiptronic-like systems under different names:
Acura: SportShift
BMW: Steptronic
Hyundai: Shiftronic
Infiniti: Manual Shift Mode
Jaguar: Bosch® Mechatronic
Lexus: E-Shift
Mercedes-Benz: TouchShift
Mitsubishi: Sportronic
Peugeot: 2Tronic
Saab : Sentronic
Smart : Softip
Volvo: Geartronic.
Tiptronic® is a registered trademark of Dr. Ing. h. c. F. Porsche AG.