W164 heater problem

[Pad1]

The heater is only luke warm on low blower power. New auxilllary pump fitted . Diagnostics show little just a actuator flap sticking. Require diagram of where the heat flap actuator may be on the UK model Ml350 2011. And how to access and change.

 

[DSM10000]

Is please not in your vocabulary?

 

[Pad1]

Sorry not very good at these things thanks and please.