GLK 350 4MATIC (204.987) V6-3.5L (272.971) (2010)
Navigation Module: All Technical Service Bulletins
Navigation Sys. - 'Universal Media Interface' Faults
Navigation 20: Route calculation takes a long time, implausible route calculation, implausible navigation instructions in tunnels
Topic number
LI82.85-P-045552
Version
4
Design group
82.85 Navigation and communication systems (CNS, ICS, COMAND, FleetBoard)
Date
03-10-2010
Validity
Model 204 with Audio 20 (code 510 or 523) and retrofitted Navigation 20
Reason for change
Replacement part for USA/CAN market added
Reason for block
Complaint:
The "Navigation 20" (formerly called UMI) retrofit solution for navigation available through Mercedes Benz Accessories exhibits the following fault
profiles in navigation mode:
1. Recalculation of route takes a very long time.
2. Implausible route suggestions by classification (cheapest, quickest, shortest route).
3. Routes to roads classified for rescue vehicles cannot be calculated.
4. Implausible navigation instructions in tunnels.
Cause:
Software error in navigation module.
Remedy:
Perform software update on "Navigation 20" control unit (see attachment for procedure).
Note:
When the new software is installed, a map update must also be performed.
Attachments