Audio 20 CD provides a high level of entertainment and can be optionally equipped with the Becker® MAP PILOT navigation system and an integrated CD changer for 6 discs. It is operated via the multifunction steering wheel. Co-ordinated loudspeakers with a power output of 4 x 25 watts as well as vehicle speed-dependent volume control help to ensure optimum entertainment while on the road.

Overview of functions and equipment:

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.

The functions at a glance:

An additional aerial is used for digital radio (DAB). Digital transmission enables a better reception virtually on a par with CD quality, a greater station range and more comprehensive programme and traffic information.

Switching between analogue and digital reception is automatic according to network coverage and signal strength.

The easy-to-use docking station integrates the iPad® with all its standard functions into your Mercedes-Benz in an ergonomic, crash-proof way. All connections, such as for your headphones, remain accessible. The holder can be tilted and rotated by 90°. It is also possible to charge the iPad's battery using your charging cable through an integral USB interface.available for the iPad® and iPad® 2.

Communication without compromise: even while you are on the road, you will remain fully contactable in the C-Class Estate. With the optional convenience telephony from Mercedes-Benz your mobile phone will be charged, you can make and receive calls using the hands-free system and access all the important functions of your telephone on the screen in the centre console

All you need for 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. The functions of your mobile phone can be called up via the screen – incoming SMS are also displayed here. And if you want to make a call, you can dial your contact intuitively and with confidence using the control unit.

Live Traffic Information, a component of the optional COMAND Online multimedia system enables the reception of current precise traffic information. The system improves dynamic guidance and considerably refines the determination of the estimated times of arrival. Live Traffic Information uses a fast Internet connection for the transfer of traffic information.

The Media Interface with consumer cable kit is a universal interface, located in the centre console, allowing various mobile audio devices (video devices only in conjunction with COMAND Online) to be used while on the road.

You can also access external storage media such as USB sticks or an iPod® using the vehicle's control and display units.

The COMAND Online multimedia system is the highlight of the new telematics generation. This innovative system features an Internet browser, combines all audio, telephone and navigation functions and also includes the Speed Limit Assist function. The optimised control concept makes operation more user-friendly and intelligent than ever before.

Components of the COMAND Online multimedia system:

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.

In order to establish an internet connection, an internet-capable mobile phone with Bluetooth® interface is required.

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 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 ViaMichelin POIs. The travel guide contents can be updated free of charge via the Mercedes-Benz portal.

The optionally available Harman Kardon® Logic 7® surround sound system with Dolby Digital 5.1 (Dolby Digital function only in conjunction with COMAND Online) and an output of 450 Watts turns every journey into an acoustic experience.

With twelve high-performance speakers and Logic 7® multi-channel technology, you'll feel as though you're in a concert hall – wherever you're sitting. And as you drive, the volume automatically adjusts according to the speed of your vehicle.

The Bluetooth® telephone module with SAP profile is an enhancement to convenience telephony. It enables a mobile phone to be connected through the Bluetooth® SAP profile (SIM access profile) or for it to be directly operated by inserting the SIM card in the built-in SIM card reader.

Overview of the functions: