Dec 13, 2016 · 204 DSG Highline Kombi MY17. VIP Member. T6 Legend. 13 Dec 2016. #2. If you get the rear heater I would go for auxiliary heater ,as this helps warm the engine up ,the auxiliary heater can also be turned on with a remote or timer .This can pre warm the coolant system so van is up to temp when you start it . C.