220 589 00 99 37 Adapter cable - WS54.00-P-0050-37B
WARNING: This page is about a different car, the 2009 Mercedes-Benz E550 and 2008 Mercedes-Benz E550. However, it is still accessible from the selected car via links, so may be relevant.
FG54/15/Set B
ENGINE 266, 272, 273, 640
Use:
2-pin adapter cable for voltage and resistance measurement and checking of signals at electric components such as pressure transducer at exhaust gas recirculation valve and at boost pressure positioner for OM640 as well as actuation of the injection valves for M266/272/273.