G 500 (463.249) V8-5.0L (113.962) (2003)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine Controls - Hesitation After Hot Start
Date: August 20, 2003
Order No.: T-B-07.00/29b
Supersedes: T-B-07.00/29a dated May 21, 2003
Group: 07
Revision: Flashware Information Updated
SUBJECT:
Model ML320, Model Year 2002 and later
Model ML350, Model Year 2003 and later
Model G500, Model Year 2002 and later
Engine Control Unit Software Update
The Flashware CD release 00044870020001 (refer to S-B-07.61/30) or any newer version contains a software update for the engine control unit for the
following conditions.
Note:
Emissions are not exceeded under normal conditions. Model ML320 - MY 2002 and up:
^
Hesitation after hot start between 50 and 70C engine temperature.
After flashing the ECU will have the part number 112 153 31 79.
All M112/M113 engines:
^
Lack of power under full acceleration and mid range and/or upper long4erm adaption values drifting to lean.
^
Hesitation caused by "two-footed" driver, i.e. driver depresses accelerator and brake pedal at the same time as outlined in DTB # 302 dated May 29,
2001.
After flashing the ECU will have part number as follows:
-
G500 = 113 153 36 79
-
ML320 = 112 153 31 79
-
ML350 = 112 153 32 79
Note:
^
Ensure that all engine related systems are within specification. The software update will not compensate for any system or mechanical component
malfunction.
^
When asking for SCN number (MY 2003 vehicles only), the PN that will be in the ECU after flashing must be specified.
Please refer to SI S-B-07.61/27 for instructions on flashware use.
In Case of Warranty