Home > DIY > E-Class > W211 (2002-2009) > How to remove COMAND Stereo Radio Unit Mercedes-Benz E320 E500 E350 CLS 500 550 W211
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How to remove COMAND Stereo Radio Unit Mercedes-Benz E320 E500 E350 CLS 500 550 W211

In this article, we will show you how to remove the COMAND Stereo Radio and CD player/changer which is necessary if  you are looking to replace, upgrade or install a new head unit (HU). If your stereo stopped working you could replace it with anther OEM head unit or install an aftermarket stereo with DVD, rearview camera Bluetooth and Navigation. A list of alternative head units that you will find on Amazon and will fit your Mercedes-Benz E-Class W211 / CLS W219  are listed at the end of this DIY article.

Note that if you go with an aftermarket route you may loose a few features such as controlling your stereo with the steering wheel buttons. If you must have steering wheel controls to change the radio you need a CANBUS module. Because Mercedes-Benz uses D2B fiber optic bus installing an aftermarket unit it’s a little bit more complicated that in other cars.

Instructions apply to:

Mercedes Benz E Class W211
Mercedes Benz CLS Class W219

Tools & Parts Needed

  • Replacement Head Unit (see List of Recomended Alternatives Below)
  • Torx Bit Set

Instruction on how to remove COMAND Stereo Head Unit

While disconnecting the battery is not necessary, we would recommend that you disconnect the battery when you remove the COMAND system on your Mercedes-Benz E-Class.

Step 1

Remove the shifter handle and the wood trim on the center console. You can remove the trim by lifting it up. It will be easier if you remove the shifter knob, but this is necessary. At a minimum set the emergency brakes and move the shifter do D (drive)position. Making sure engine is turned off.Remove comand system from mercedes e class

Step 2

Remove the ashtray. You may have two screws or a locking tab that holds the ashtray in place. On the back of the ashtray, you will see electrical wires plugged on the back of the cigarette outlet. Unplug the electrical connector. remove ashtray in order to access the radio stereo unit

Step 3

Remove the CD changer or storage compartment if you don’t have a CD changer. This is the part that has your Hazard Button, door lock/unlock switch, ESP and heated seat buttons if your car is equipped with heated seats.remove cd changer e320 e500 e350

Step 4

Once you remove the CD changer you will have access to two bolts at the bottom of the COMAN head unit. These two bolts have Torx heads. You will need to get the bolts loose, they can not be removed completely. Unscrew them until they stop rotating. They are long and you will need to turn them over 30 turns to get the HU unlocked.  Pull out the HU and unplug the fiber optic cablem from the back of the COMAND A40/3 unit.

If you are replacing or upgrading with an OEM Mercedes-Benz head unit you can use a Mercedes-Benz Star Diagnostic C3 or C4 to retrive the settings from the old unit and transfer to the new unit. If  you don’t have Star Diag C3 or C4, you will need to set the new settings manually.

Video on how to remove COMAND, Stereo Head Unit

COMAND Head Unit Alternatives

If you are looking to upgrade your head unit consider Mercedes E Class CLS W211 W219 Comand APS NTG2.5 This unit has: single CD/DVD player, High definition LED display model, Bluetooth built in, SDHC card up to 32GB compatibility.

Detailed Description:

  • Widescreen format 16:9 6,5″ TFT HD LED High definition color screen (much better & higher resolution – much better picture quality)
  • Internal 40GB Hard Disc drive for navigation maps, MP3 and other media
  • Single CD/DVD Player
  • Bluetooth for phone 
  • Linguatronoc (voice control – voice recognition)
  • DVD movie, MP3, audio CD Player
  • DOLBY DTS sound processor
  • 2D, 3D LIVE map display with TMC and POSTCODE search, Split-Screen-Function
  • Possibility of connection for: mobile, amplifier, TV-tuner, DVD/VIDEO-player, Playstation etc.
  • Supports external Harman Kardon amplifier

Recommended Aftermarket Head Units for E-Class E211 and CLS W219

If you are replacing your COMAND head unit with an aftermarket stereo here are a few alternatives that you may want to consider. Any of these stereos can be purchased on Amazon, links provided.

Pyle PLDNB78i Headunit Receiver 7-Inch Stereo Radio, GPS Navigation, Bluetooth, Touch Screen, Double DIN Pyle PLDNB78i Headunit Receiver 7-Inch Stereo Radio, GPS Navigation, Bluetooth, Touch Screen, Double DIN
Kenwood 2-Din AV Navigation System with Bluetooth HD Radio Kenwood 2-Din AV Navigation System with Bluetooth HD Radio
pioneer in dash double din navigation dvd receiver touchscreen backup camera Pioneer in-dash double DIN Navigation DVD receiver touchscreen Backup Camera

In order to have a clean looking install, you will need Frame DVD Dash Installation Surrounded Trim Kit for E-Class CLS-Class.radio frame w211 kit



E-Class W211 with any of the following head units (HU):

-COMAND APS with CD Player, DVD or Navigation

-COMAND Head Unit without navigation and CD Changer

The COMAND system may also be referred to as unit A40/3.

COMAND Systerm / Navigation / Stereo / Radio / Head Unit Part Number

A 2118276342 A 2118700289 A2118204397

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