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Picture shows pre-production model.
CODE 3JV
21
HEATER BOOSTER
HEATING/COOLING
Heater booster
Details and Technology
5-kW heater booster can be switched on whenever the engine is running. The on/off switch is situated to
the right of the light switch. When the heater booster is switched on, a red indicator light comes on in the
switch and a symbol lights up in the instrument cluster. After the heater booster has been switched off,
the coolant pump and the burner blower continue running for approximately three minutes, then switch
off automatically.
Benefits and Arguments
• Engine reaches operating temperature as quickly as possible
• Faster heater response
Since the thermal energy given off by a CRD engine may not always provide adequate heating in extremely
cold conditions, the heater booster helps the engine reach its operating temperature more quickly, and to
maintain it. This also means quicker heater response.