Removing and installing fuel gauge sending unit - RA47LH1047000X(47-7000)

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

Operation No. of operation texts and operation values or standard texts and flat rates

47-7000

Fig 1: Identifying Fuel Gauge Sending Unit Remove/Install Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Pay attention to safety instructions!
Overpressure in fuel tank	reduce by taking off pressure cap, fitting on.
Ground cable	disconnect at battery, connect.
Cover for fuel tank	remove, install.
Fuel gauge sending unit connector (arrow) (B4)	unplug, plug in.
Sealing flange (14)	unscrew, screw on.
	If fuel tank full, pump out approx. 8 liters. Tightening torque 39 Nm.
O-rings (17, 20)	renew.
Fuel gauge sending unit (B4)	remove, install. If necessary, run sending unit until dry.
	NOTE: If new part, remove locking pin below adhesive strip.