Coolant temperature sending unit manufactured by Febi, an OEM supplier to Mercedes.
Located on the thermostat housing and/or on the intake manifold, depending upon the model year. 90 degree electrical plug connection. Held in place by metal clip.O-ring seal is included.
Only for the OM642 3.0L V6 diesel engine 2010 and later (BlueTec)
These are manufactured by Borg Warner, the OEM supplier to Mercedes Benz. This is the identical unit as those sold at a franchise dealer.
The fan clutch for the 2010 and later engines has an electrically actuated clutch. The earlier 2007-2009 models have a centrifugally actuated declutching mechanism.
Drives only the radiator cooling fan and ONLY on those models that DO NOT have DUAL A/C (Roof mounted A/C) with two A/C compressors. If you have dual A/C, see the auxiliary belt shown below.
This is a very short belt compared to the main serpentine belt. If you have an auxiliary alternator (two alternators), that belt is shown below.
