The ABS/ESP warning lamp may light up sporadically on the above-mentioned vehicle series. After a restart, the warning lamp initially goes out again, but is reactivated after a short driving time.

HELLA LED Retrofit light sources can be used to retrofit LED technology in place of halogen vehicle lighting. These LED retrofits offer exceptional brightness – and with increased illumination, more light shines on the road. In addition, a longer lifetime compared with halogen bulbs makes LED retrofits a great option for any driver.

The DSC warning lamp on the above-mentioned vehicle series has been known to light up sporadically. In addition, various Check Control messages can be displayed in the instrument cluster.

In the above-mentioned vehicle series, an error message may suddenly appear, signalling the failure of a light source in the rear lamps. This series has a self-diagnosis function that checks the status of the light sources after the ignition has been switched on.

The engine power may be reduced in the above-mentioned vehicles, as a result of which the engine warning lamp in the instrument cluster is activated. Error code P2563 is stored in the error memory of the engine control unit.

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The Active Distance Assist may fail sporadically in the above-mentioned vehicle type. This fault pattern mainly occurs in wet conditions. The entries C163AFA and C163AFB, radar sensor dirty or defective, can be stored in the error memory.

On the vehicle mentioned above, buzzing noises can be heard from the engine compartment when the air-conditioning system is switched off. These occur especially when the engine is idling.

LEDs are currently in the process of replacing classic bulbs in modern vehicles. They not only provide high luminous efficiency and increased safety, but also more design freedom and a great level of savings potential. On this page, those interested in technology can quench their thirst for knowledge regarding the basics of LED technology in vehicles.

We recommend the following procedure when replacing bulbs:

• Switch off the lighting and ignition.
• Remove the key and keep it in a safe place.
• Secure vehicle against rolling away. Apply the handbrake

On vehicles with Emergency Brake Assist, the error message mentioned above may suddenly appear in the instrument panel in German or English (automatic braking system fault). The message then usually appears at low speed or when the vehicle is stopped.

Starting the engine requires several attempts or is not possible at all. Furthermore, the engine may not run smoothly, there may be a lack of engine power or the engine may switch off during operation.