96 W210 - Flashing Red and Green lights under rear view mirror.

[Ocean View]

I can't find my manual so I thought I would ask you guys here.

MY car has a red and green light under the rear view mirror.
Lately when I use the remote and unlock the car, I noticed that the lights came on flashing similtaneously.
Is this warning me that the main battery is going bad?
I haven't had any problems with the battery that I know of.

Thanks.

[manny]

I believe it's telling you to change the battery in the key.

[Ocean View]

Originally Posted by manny

I believe it's telling you to change the battery in the key.

I think the battery in the key is the alternating flashes of the lights.
I currently have the simultaneous flashes.

[manny]

Change the battery in the key.
What have you got to loose?

[Ocean View]

Originally Posted by manny

Change the battery in the key.
What have you got to loose?

The reason I doubt it is the battery in the remote is due to the fact that I had alternating light flashing about 3-4 months ago which is when I changed the battery on it. It did solve the problem.

I wonder if the service guys at my local MB dealership would give me the answer over the phone. I am sure they will try to get me to make an appointment but I will try none the less.

[manny]

Based on my source ( a german forum ), flashing red/green lights are a sign of key battery or vehicle battery saying goodbye.

[Gilly]

Your source is wrong, alternating flashing of the red and green lights indicate an unauthorized start attempt.
Gilly

[Ocean View]

Originally Posted by Gilly

Your source is wrong, alternating flashing of the red and green lights indicate an unauthorized start attempt.
Gilly

So what does the simultaneous flashing mean?

[wheeels]

just change the batteries & get it over with!

[Gilly]

The flashing at the same time I also believe means weak remote batteries.
Gilly

[Ocean View]

OK, I changed the batteries in my remote and so far so good.
Hope it stays that way.

[manny]

Originally Posted by Ocean View

OK, I changed the batteries in my remote and so far so good.
Hope it stays that way.

[cibrspeed]

There ya go. Another satisf. MB Shop User !

[loubapache]

This happened once in y 1997 E320 and I did not understand it. I did not change any battery and it has not happened again. Weird.

[Matt L]

You are having a completely different issue. The original poster specifically denied alternating lamps.

Alternating red and green lamps means that you have a drive authorization failure (DAS). Try locking and unlocking the car with the door cylinder.