How to Distinguish Mercedes NTG4.0 vs NTG4.5 Infotainment Systems
1. Core Differences
|
Feature |
NTG4.0 (2005–2008) |
NTG4.5 (2008–2012) |
|---|---|---|
|
Screen Size |
5.8″ display area |
7″ display area |
|
Screen Bezels |
Thick black borders (~2 cm) |
Slim bezels (near edge-to-edge) |
|
Navigation Media |
CD-based (disc slot in glovebox) |
SD card-based (slot in glovebox) |
|
Map Display |
2D flat maps |
3D terrain rendering |
|
Voice Control Button |
Dedicated button on steering wheel |
Integrated into top of COMAND knob ( icon) |
|
USB/AUX Ports |
None |
Added in glovebox |
|
Host Model Number |
BE4461 (metal casing) |
BE4709 (plastic casing) |
|
Optical Fiber Port |
Absent |
Present (supports DTS audio)
|
2. Visual Identification
-
Screen Appearance:
-
NTG4.0: Small 5.8″ display with thick gray bezels.
https://via.placeholder.com/150×100/333333/FFFFFF?text=NTG4.0+Bezel
-
NTG4.5: Larger 7″ screen with minimal borders.
https://via.placeholder.com/150×100/555555/FFFFFF?text=NTG4.5+Screen
-
-
Glovebox Compartment:
-
NTG4.0: Vertical CD drive (requires disc swaps).
-
NTG4.5: Horizontal SD card slot (updates via card).
-
-
COMAND Knob Area:
-
NTG4.0: Separate “NAVI” button.
-
NTG4.5: “MAP” button + voice key on knob.
-
3. Functional Tests
-
Check Navigation:
-
NTG4.0: Insert navigation CD → Only 2D maps.
-
NTG4.5: Insert SD card → Enable 3D view (press “MAP” button).
-
-
Verify Hardware:
-
Remove host unit (under passenger seat):
-
Label A211 870 33 89 → NTG4.0
-
Label A212 870 58 00 → NTG4.5
-
-
4. Production Timeline
|
System |
Production Period |
Example Models |
|---|---|---|
|
NTG4.0 |
2005–2008 |
E-Class W211, SL-Class R230 |
|
NTG4.5 |
2008–2012 |
E-Class W212, ML-Class W164 |
Exception: Some early 2009 W211 models still use NTG4.0.
5. Real-World Examples
-
Scenario 1: 2007 E-Class with CD drive + thick screen bezels → NTG4.0.
-
Scenario 2: 2010 ML350 with SD navigation + 3D maps → NTG4.5.
Tip: For ambiguous cases (e.g., 2009 transition models), check the host unit label or VIN code (SA 522 = NTG4.0).
Post time: Aug-08-2025