Description
Mercedes-Benz W163 Radio Audio Amplifier
OEM Part Number: 163 820 27 89
Also Listed As: A1638202789
This is the factory audio amplifier module for Mercedes-Benz W163 ML-Class vehicles equipped with the original factory sound system.
The amplifier powers the vehicle’s speakers and works together with the factory head unit to deliver audio throughout the cabin.
Audio amplifiers can fail due to age, moisture exposure, or internal electronic component degradation.
At Oz’s Garage, we supply original OEM Mercedes electronic components — used, tested, and warranty-backed.
🔧 Item Details
-
Genuine Mercedes-Benz OEM
-
Part Number: 1638202789
-
Type: Radio Audio Amplifier
-
Condition: Used
-
Fully Tested
-
30-Day Replacement Warranty Included
-
Optional 60 – 90-Day Extended Warranty Available
-
Compact and easy to ship
🚗 Compatible Vehicles (W163 ML-Class)
Fits:
-
2002 Mercedes-Benz ML320
-
2003 Mercedes-Benz ML320
-
2003 Mercedes-Benz ML350
-
2004 Mercedes-Benz ML350
-
2005 Mercedes-Benz ML350
-
2002 Mercedes-Benz ML500
-
2003 Mercedes-Benz ML500
-
2004 Mercedes-Benz ML500
-
2005 Mercedes-Benz ML500
-
2002 Mercedes-Benz ML55 AMG
-
2003 Mercedes-Benz ML55 AMG
⚠ Always confirm part number before ordering.
⚠ Common Failure Symptoms
-
Radio powers on but no sound
-
Distorted or intermittent audio
-
Speakers cutting in and out
-
Only some speakers working
-
Complete audio system failure
Replacing the amplifier often restores proper audio output.
🏆 Why Buy From Oz’s Garage
✔ OEM Mercedes audio component
✔ Used & tested electronics
✔ Replacement warranty included
✔ European vehicle electronics specialist
Ships within 1 /2 Business Days
#OzsGarage
#MercedesBenz
#W163
#ML320
#ML350
#ML500
#ML55AMG
#AudioAmplifier
#MercedesAudio
#OEMMercedes
#MercedesParts
