Head-Unit Version Fact Sheet

If you are unsure of which version of Comand or Audio 20 your vehicle has, you can use our guide below.

It might also help to enter your chassis number in this lookup tool. This will provide a list of all of the options your car has fitted. You can then check against the SA codes we have mentioned below to confirm the exact head unit your vehicle has and purchase from us with complete confidence.

NTG1

CLS,E, S, SLK, SL
Approx 2002 to 2008
Outer frame varies between car models
Single CD/DVD slot on unit
DVD-ROM navigation in separate module in boot/trunk
SA Code 527 Comand
SA Code 523 Audio 20

NTG2

A,B,C,CLC,GL,ML,R,Vito/Viano.
Approx 2004 to 2008
Outer frame varies between car models
Single CD slot on unit
DVD-ROM navigation in Comand using disc within head unit
SA Code 527 Comand
SA Code 523 Audio 20

NTG2.5

A,B,CLC,CLS,E,GL,ML,R,SL,SLK,Vito/Viano.
Approx 2008 to 2011
Outer frame varies between car models
SD Card Slot above CD slot on Comand
HDD navigation in Comand
Bluetooth is built-in to the head unit
Optional CD Changer built in
SA Code 512/527 Comand
SA Code 523 Audio 20

NTG3

S Class and CL Class
2005 to 2009
Under the flap, there is a PCMCIA slot
No built-in Bluetooth phone pairing – needs adapter in armrest.
SA Code 527 Comand

NTG3.5

S Class and CL Class
2009 to 2013
Under the flap, there is a standard size SD Card slot
Bluetooth is built-in to the head unit
SA Code 527 Comand

NTG4

C Class
2007 to 2011
The monitor is motorised on COMAND or Audio 20/50 have a cover which pulls over the screen.
E Class
2009 to 2011
Fixed screen – Audio 20 is 5.8″, Comand is 7″
Comand has PCMCIA Slot and Nav Button
Audio 20 has no Nav Button
Audio 50 APS has Nav button and smaller screen
Trim around FF/REW is black
SA Code 523 Comand
SA Code 525 Audio 50 APS
SA Code 527 Comand APS

NTG4.5 & 4.7 Audio 20

A,B,C,CLA,CLS,E,GL,GLA,ML, SL,SLK.
2012 to 2015 approx
Smaller 5.8″ screen
Trim around FF/REW buttons is Chrome
UK Spec cars have Becker Map Pilot (except some early E Class 212/207)
SA Code 523 Audio 20
SA Code 510 Audio 20 w/CDChanger

NTG4.5 & 4.7 Comand

A,B,C,CLA,CLS,E,GL,GLA,ML, SL,SLK.
Larger 7″ screen
Trim around FF/REW buttons is Chrome
Built-in Hard Drive Navigation
SD Card slot on fascia
Has ‘on-line facilities’ indicated by small globe in top right of menu.
SA Code 512 Comand w/CDChanger
SA Code 527 Comand

NTG5.1 Audio 20 and Comand

A,B,CLA,CLS,E,GLA,GLE,GLS,SL,SLC,
2015 to 2019 Approx.
Has SD Card slot on fascia for Garmin Sat Nav on Audio 20 and Music/Files on Comand
Comand has 8.4″ Screen, Audio 20 has Smaller 7″ screen
Silver bars between buttons.
‘Carousel’ style menu system.
SA Code 522 Audio 20
SA Code 531 Comand

NTG5.2 Audio 20 & Comand

C, GLC, V, X, AMG GT
2015 to 2019 Approx.
Has SD Card slot in centre armrest for Garmin Sat Nav on Audio 20 and Music/Files on Comand
Comand has 8.4″ Screen, Audio 20 has Smaller 7″ screen
‘Carousel’ style menu system.
SA Code 522 Audio 20
SA Code 531 Comand
No ability for built-in CarPlay/Android Auto (SmartBox required)