Mercedes Benz E 550 4MATIC Sedan Technical Service Bulletin # P-54_21-229 Date: 091026
Computers/Controls - Front SAM Control Unit Replacement
date: October 26, 2009
2010 Mercedes Benz E 550 4MATIC Sedan (212.090) V8-5.5L (273.970) Page 318
Order No: P-B-54.21/229
Group: 54
SUBJECT:
Model 204 to MY2009, Model 212 with Code 018 VEH Converted to a Saleable Condition and with Code 102 Control Code Production Test 2. If
Replacing Front SAM Control Unit with Fuse and Relay Box, Also Install Wiring Harness.
Beginning with MY2010, a connection in the front SAM control unit with fuse and relay module N10/1 for the starter relay is discontinued.
For vehicles prior to MY2010, install the wiring harness, which is included in the SAM order, whenever replacing the SAM control unit; otherwise,
no starter will be enabled.
This installation is in AR54.21-P-1260CW Remove/install left front SAM control unit with fuse and relay box.
Procedure
From plug cage 6I (6), Pin 4 to plug cage 2I (2), Pin 12 (Figure 1).
