SL 550 (230.471) V8-5.5L (273.965) (2008)
Electronic Throttle Actuator: Description and Operation
GF30.20-P-2020V Throttle Valve Actuator, Component Description
GF30.20-P-2020V Throttle Valve Actuator, Component Description
Location
The throttle valve actuator is flanged to the intake manifold at the rear.
Task
The throttle valve actuator regulates the functions:
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Idle speed
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Drive mode, according to accelerator pedal position, load and requests of momentary interface
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Engine 272.985: In stratified charge operation with excess air, open the throttle valve as far as possible according to the performance map.
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Cruise control mode
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Emergency electronic accelerator pedal