C 240 Wagon (203.261) V6-2.6L (112.912) (2003)
Fuel Gauge Sender: All Technical Service Bulletins
Instruments - Erratic Fuel Gauge Operation
Date: April 2, 2002
Order No.: P-B-47.10/25
Supersedes:
Group: 47
SUBJECT:
Model 203, Model Year 2001 and Later
Fuel Gauge Complaints, Correct Fuel Sending Unit Part Numbers
If you encounter instances of fuel gauge complaints on Model 203 vehicles, and DAS identifies a malfunctioning sending unit(s), the correct sending
unit(s) must be installed.
Magnetic Passive Position Sensor (MAPPS) fuel sending units entered production for all 203 models approximately October 1, 2001. This was as of
VIN end numbers A252580 and F182331.
The MAPPS sending units can be identified by a 5-pole plug (figure 1 and 2) on the outside of the mounting plate (left fuel sending unit). The previous
fuel sending unit, a thick film resistor style, has a 4-pole plug (figure 3 and 4) on the outside of the mounting plate (left fuel sending unit).
The signal and version coding for both the Instrument Cluster (KI) and the rear SAM must match the fuel sending unit design.
To verify instrument cluster coding (and correct if necessary), follow this procedure.
Select the correct model