SLK320 air pump - what for?

[mckcol]

I noticed on starting that an electric motor was running for 10 seconds or so - not the cooling fan, although it sounds like it.

I believe it is the air pump - between the cylinder banks beside the oil filter.

What is this for?

Regards

 

[television]

Just to keep the emissions in check

 

[LYNALL]

Warms cats up super quick meoow!
Wifes 203 air pump is very noisy, my 210 is very quiet.



Lynall