InCarTec Products > AUDIO SW CONTROL

Mercedes CLS, E and SLK NTG1 steering wheel control interface (QUADLOCK CONNECTION)

39-MB-A20/NTG1
Price: £66.66 (£79.99 inc VAT)

PLEASE NOTE: This interface comes with a universal patch lead which can be used with Alpine, Blaupunkt, Clarion, Pioneer, JVC, Kenwood, Sony or Zenec Head-units.

CANbus steering wheel control interface for Mercedes CLS W219, E Class W211 and SLK R171 cars with original Mercedes NTG1 head units.

This interface uses quadlock connections behind the original radio to allow the use of the original steering wheel control buttons with a new aftermarket head-unit. It also provides CANbus outputs as well as Ignition, speed pulse, reverse gear, handbrake and illumination signals to the new stereo.

The cable adapts from the Quadlock connector in the car to standard aftermarket ISO connectors. This replaces the need for a separate ISO radio replacement adapter cable.

The CANbus steering wheel control interface is built in to the adapter cable for a plug and play installation

This interface will allow the original audio control buttons on the steering wheel to work with the new aftermarket radio. The interface will work the volume and track skip buttons.

The CANbus interface will also provide ignition, illumination, reverse gear, handbrake and speed pulse outputs.

This interface is supplied with a universal patch lead. This links the steering control interface to the steering wheel control input on the back of the new stereo.

PLEASE NOTE: This interface is only suitable for cars with original basic NTG1 radios. Cars with the upgraded COMAND APS NTG1 radio will require a different interface.

The motorized ashtray on W211 cars will no longer work when you change the original radio

Cars with original harman/kardon amplified audio systems will require an additional interface to retain the audio with the original amplifier.


PLEASE NOTE: This interface comes with a universal patch lead which can be used with Alpine, Blaupunkt, Clarion, Pioneer, JVC, Kenwood, Sony, Zenec or resistive programming Head-units.

Radio Being Fitted
Part Number
Short Description
Universal39-HU-UNI
Self-pinning Patch lead for 39-Series Steering wheel control for Alpine, kenwood, JVC, Blaupunkt (Mini ISO), Clarion, Zenec, Resistive Programming (Chinese/ Unbranded), Sony and Pioneer stereos

Brand: InCarTec

Car models: The years stated refer to the model's years of manufacture, please check the item description for information about any changes there may be within these productions years.
Mercedes - C-Class (2nd Gen) W203 Facelift (2004 - 2007)
Mercedes - CLS 1st Gen (W219) (2005 - 2010 )
Mercedes - E-Class (W211) (2002 - 2008 )
Mercedes - SLK-Class (R171) (2004 - 2008)

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