Collision Warning System, Function Schematic - PE54.70-P-2500A

Model 118, 177, 238, 247, 293 

with code 258 (Active Brake Assist System) 

except code 239 (Adaptive cruise control Pro (DISTRONIC PRO)) 

except code 23P (Drive package) 

Model 167, 213, 257, 290 

with code 258 (Active Brake Assist System) 

except code 239 (Adaptive cruise control Pro (DISTRONIC PRO)) 

except code 23P (Drive package) 

except code P20 (Driving assistant package Plus) 

Model 243 

with code 258 (Active Brake Assist) except code 239 (Active Distance Assist DISTRONIC) except code 23P (Driving Assistance Package)