Go to AutohausAZ.com and look them up for the SLK32....

Bosch Camshaft sensor 0232103037 $59
Bosch Crankshaft sensor 0261210170 $39
no IAT listed

search for...
fig 08-605 #-24 intake temp sensor, mopar part # 5080343AA which has been changed to 4862635AA
about $20



Having a spare of each of these on hand might be a REALLY good idea....