Navigation System - Inoperative/Erroneous Guidance

Navigation System - Inoperative/Erroneous Guidance
Date: July 22, 2003
Order No.: P-B-82.85/264
Supersedes:
Group: 82
SUBJECT:
Model 203.061/064/065/081/084/264//281/284/740/747
Model 208.365/370/374/465/470/474
Model 209.365/375/376/465/475/476
Model 210.065/070/074/082/083/265/282
Model 211.065/070/076
Model 215.373/374/375/376/378
Model 220.170/173/174/175/176/178/183/184
Model 230.474/475
Model Year 2000 through 2004
Navigation System Guidance Erroneous or Does Not Function Due to Possible
Switch-Off or Incorrect GPS Signals During Worldwide Crisis Situations
During worldwide crisis situations, GPS signals may be switched off or incorrect which will cause erroneous positioning and navigation.
1. Perform test drive to verify the complaint.
2. If the navigation is found to have erroneous positioning and navigation, compare to other similar vehicles with navigation.
2000 Mercedes Benz Truck ML 55 AMG (163.174) V8-5.5L (113.981) 253
3. If the comparison vehicles navigation systems produce similar erroneous positioning, the GPS signal may be intentionally altered during
worldwide crisis situations.
4. If other vehicles do not indicate erroneous positioning and navigation, the vehicle's navigation system should be diagnosed. Possible areas to
explore during diagnosis:
a. Navigation CD, may not be the latest version. Trial fit the latest Navigation CD and road test.
b. Vehicle's GPS antenna system/reception
c. Mapping error
If the complaint does not occur during the test drive, a mapping error is present on navigation CD - Please inform TAC. Inform
customer of mapping error.
5. Verify GPS antenna operation. Verify longitude and latitude versus known location, example another known working vehicle.Technical
Service Bulletin # T-82_85-265 Date: 030722
Navigation System - Inoperative/Guidance Errors
Date: July 22, 2003
Order No.: T-B-82.85/265
Supersedes:
Group: 82
SUBJECT:
Model 163.154/157/172/174/175
Model 463.246/249
Model Year 2000 through 2003
Navigation System Guidance Erroneous or Does Not Function Due to Possible
Switch-Off or Incorrect GPS Signals During Worldwide Crisis Situations
During worldwide crisis situations, GPS signals may be switched off or incorrect which will cause erroneous positioning and navigation.
1. Perform test drive to verify the complaint.
2. If the navigation is found to have erroneous positioning and navigation, compare to other similar vehicles with navigation.
3. If the comparison vehicles navigation systems produce similar erroneous positioning, the GPS signal may be intentionally altered during
worldwide crisis situations.
4. If other vehicles do not indicate erroneous positioning and navigation, the vehicle's navigation system should be diagnosed. Possible areas to
explore during diagnosis:
a. Navigation CD, may not be the latest version. Trial fit the latest Navigation CD and road test.
b. Vehicle's GPS antenna system/reception
c. Mapping error
If the complaint does not occur during the test drive, a mapping error is present on navigation CD - Please inform TAC. Inform
customer of mapping error.
5. Verify GPS antenna operation. Verify longitude and latitude versus known location, example another known working vehicle.Technical
Service Bulletin # DDAF82_10-U-2009B Date: 000622
2000 Mercedes Benz Truck ML 55 AMG (163.174) V8-5.5L (113.981) 254

2000 Mercedes Benz Truck ML 55 AMG (163.174) V8-5.5L (113.981) 255