Mercedes Benz 420sel Antenna Mast: Issues that Affect a Clear Frequency
The antenna mast of your Mercedes Benz 420sel is designed to pickup radio frequencies, so you could have a clear reception when you tune in to your car stereo. However, since the mast is located on the edge of the vehicle's roof, it is prone from the harmful factors like hard rain water, dust, and grime. When you begin to notice that your car's radio is acting different, you should do check the antenna mast and do some troubleshooting. Here are some of the common problems you might encounter:
Weak radio signal
When you notice that the sound from your car's radio is blur or the feed is constantly disrupted, it may be caused by a broken or bent Mercedes Benz 420sel antenna mast. To check if the problem is indeed caused by a faulty antenna mast, you have to remove the antenna assembly. Inspect if the there's already an accumulation of dirt of the assembly or the mast is showing signs of corrosion. Make sure there's a clean cloth over the fender before you remove the antenna assembly to prevent scratching your car's paint.
Failure to retract the antenna mast
When the antenna mast of your car won't retract, the problem may be caused by a broken or snapped plastic cable that can't wind around the shell of the antenna's mechanism. You should observe if you can hear the electric motor trying to retract the antenna. If the motor is working fine, then the snapped wire probably is the culprit. However, if you don't hear the motor, then it could also be caused be another reason why the antenna won't retract. Before you remove the antenna assembly, you should slide the antenna down slowly with the help a lubricant to make the antenna slide smoother.
Rust on the antenna mast's surface
When rust begins to wrap around your car's antenna mast, you will notice that the antenna mast is becoming weak or brittle. Aside from that, you'll experience difficulty in the reception of radio frequencies. You can try to remove the rust that has already formed on the surface by rubbing it with products that anti-corrosion compounds. However, if the antenna is too brittle and looks like it's going to break, then there's no other solution than to find a new replacement.