The Audio 20 CD system provides entertainment and can be optionally equipped with the Becker® MAP PILOT navigation system and an integrated CD changer for 6 discs.

Key features at a glance:

Perfect acoustics that you can not only hear, but feel as well: The new Bang & Olufsen BeoSound AMG high-end sound system sets new standards. This system gives ultimate audio enjoyment when driving and impresses in terms of the listening experience, performance and quality of workmanship.

The system is equipped with 14 high-performance loudspeakers, which together with the ICEpower amplifier and the digital signal processor provide 1200 watts output. They combine outstanding technology with an exclusive design to give a truly impressive listening experience.

The listening pleasure from the Bang & Olufsen BeoSound AMG high-end surround system is equally possible on long journeys, without tiring the listener. This is thanks in large part to the Vehicle Noise Compensation feature, which gives dynamic compensation for the driving noise. The microphone built into the vehicle interior continuously delivers data on the current noise level in the interior.

The digital sound processor analyses the frequency bands and increases the volume as required according to the vehicle's speed – and not just across the board, but individually to each speaker according to the different frequencies registered. The reason for this: The human ear can discern between diffuse secondary sounds, for example from airflow or from the tyres, and direct sounds, for example from the exhaust system when accelerating.

With the Becker® MAP PILOT it is possible to upgrade the Audio 20 CD radio, fitted as standard, to a full-function navigation system. The control unit can be secured and connected in the glove compartment in just a couple of simple steps, and can be removed at any time.

This includes:

The digital radio (DAB) features improved reception at near-CD quality, a broader selection of stations, as well as more detailed programme and traffic information. Switching between analogue and digital reception is automatic according to network coverage and signal strength.

The optional Harman Kardon® Logic 7® surround-sound system, including 9-channel DSP amplifier and dual-channel booster, with Dolby Digital 5.1 and a 610 W output turns every journey into an acoustic experience.

Fourteen high-performance speakers and the Logic 7® multi-channel surround sound technology provide a three-dimensional sound impression. The automatic volume control adapts the sound in line with the car's current speed.

Optimum reception and transmission, high standard of operating reliability, convenient use of telephone functions and possibility to use several mobile phones in one vehicle: All this and a lot more is provided by the Convenience Telephony optional equipment.

All you need for the optional convenience telephony is the Mercedes-Benz head unit with screen, a compatible mobile phone and a cradle to connect your phone to the exterior aerial via a fixed interface in the centre console. In conjunction with the optional COMAND Online, the system features the LINGUATRONIC voice control system to operate almost all the telephone, radio and navigation functions.

The integrated Bluetooth® interface allows wireless interaction with a compatible mobile phone.You can also use the charging function to charge your mobile phone. The functions of your mobile phone can be accessed via the multifunction display – incoming text messages can also be displayed here. And if you want to make a call, you can select your contact safely and intuitively using the control unit. .

The enhanced Media Interface, including consumer cable kit, provides a solution for connecting portable media players in the centre console which cannot be connected via the standard USB mass storage device.

This includes the Apple iPod® and iPhone® as well as media players using Media Transfer Protocol (MTP) such as Creative, Philips, Sandisk, Samsung or Sony. The system makes it easy to read additional information such as track title, album, performing artist, etc. (where available) on the vehicle’s main display. Once the portable media player has been connected, the following functions are available:

The COMAND Online multimedia system (optionally with a 6-disc DVD changer) is the highlight of the new telematics generation. It features an internet browser and combines all audio, telephone and navigation functions, apart from which it also includes the Speed Limit Assist function. The optimised operating system makes the controls more user-friendly and intelligent than ever before.

Speed Limit Assist uses an integrated camera to identify the speed limits on road signs and show the permitted maximum speed on the central display. The system also compares identified speed limits against the data stored in the navigation system.

Component of the new COMAND Online multimedia system:

The digital ViaMichelin travel guide, which includes the ViaMichelin restaurant guide, is an optional extra with the COMAND Online multimedia system and is available in five languages covering 36 European countries. It gives extensive information on restaurants, hotels, points of interest and tourist routes.

The search function makes it easy and quick to locate POIs (points of interest) nearby or at the destination. Grading symbols from the ViaMichelin help the user to select restaurants, hotels, points of interest and tourist routes. The software also provides other multimedia information (audio files, images and texts) on the ViaMichelin POIs. The travel guide contents can be updated free of charge via the Mercedes-Benz portal.

The Bluetooth® telephone module with SAP profile is a quick, easy and convenient way to connect any Mercedes-Benz approved mobile phone that can access the Bluetooth® standard SAP (SIM Access profile) with the vehicle.

In conjunction with Comfort Telephony, the Bluetooth® telephone module with SAP profile lets you access SIM card contacts from your mobile phone via the multifunction steering wheel. You can also charge your phone using the USB connection.

The TV receiver lets you watch television during driving breaks. The receiver unit processes both analogue and digital signals and is controlled using the COMAND Online multimedia system, which is positioned in the driver’s angle of vision and which displays the image.

Sound output is via the vehicle's speaker system. The receiving aerial is integrated in the rear window. At speeds above approx. 6 km/h, the image is switched off for safety reasons and reappears when the speed falls below this limit.