E-Class (W211) 2003-2009

Radio Problems 05 CDI

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Old 05-08-2006, 05:41 PM
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All Diesel Fleet !1983 240d stick,2005 E320 CDI Midnight blue, 2005 E320 CDI, Desert Silver, Kubota
Radio Problems 05 CDI

The radio in my wife's car has very poor AM reception with static. My car, with the exact same radio has perfect AM reception. It will also just change from AM to FM when she starts the car, without touching anything, during a daily stop and start. The SA just told me he couldn't duplicate the problem, so he just can't start replacing things. For round 2 I am purchasing a reinforced athletic supporter and will deal with the service manager. Anyone have any similar problems? Solutions?
Old 05-08-2006, 05:54 PM
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2015 ML 350
Does the radio change from AM to FM because you are starting the car with a different key? I'm not sure, but the keys may be resetting the car to the settings last used by THAT key.
Old 05-09-2006, 02:57 AM
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All Diesel Fleet !1983 240d stick,2005 E320 CDI Midnight blue, 2005 E320 CDI, Desert Silver, Kubota
Key?

Nope. Same key is used each time. Will update as I go through the process with the service people.
Old 05-18-2006, 07:55 PM
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'71 Pinto
P-B-82.62/499 MAR06 AM Radio Interference during Braking or When Driving in the Rain, Model 211 (2003 – 2005)

The AM interference is the result of wearing of the 50% brake wear sensor. When the brake is activated, the exposed strands of the worn sensor create an electrical circuit, which can then cause radio interference. The same condition can occur while driving in the rain, even when the brake pedal is not activated, because SBC periodically may apply the brakes as part of the system’s dry brake function.

The matter is addressed by cutting off the wires at the brake wear sensor’s harness connector and at the sensor. The sensor from the outer brake pad will not be removed and the connector of the brake wear sensor will remain plugged into the wire harness to protect the plug contacts/terminals from corrosion.

There are two front brake pad wear sensors (left warns at 50%, right warns at 100%) and one rear that warns at 100%. When exchanging brake linings, no new brake wear sensor should be installed. Due to the removal of the brake wear sensor, the maintenance computer may instruct “Check Brake Linings” at each future maintenance session, even if the brake linings are new.

As of model year 2006 the 50% brake wear sensor has been eliminated from production vehicles.
Old 05-19-2006, 04:42 AM
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All Diesel Fleet !1983 240d stick,2005 E320 CDI Midnight blue, 2005 E320 CDI, Desert Silver, Kubota
Fixed

The dealer implemented the above procedure, along with a software update for the audiogateway and the static went away.

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