SL 55 AMG (230.474) V8-5.5L SC (113.992) (2003)
Air Diverter Valve: Description and Operation
Air Shutoff Valve, Task
Air Shutoff Valve, Task
Illustrates Engine 120
126
Left air shutoff valve
126 A
Right air shutoff valve
Illustrates Engine 166
126
Aspirator shutoff valve (combination valve: check valve integrated)
When air pump is switched off, preventing air being inducted into the exhaust ports, as a result of the flow of the exhaust gases.