Mercedes Sound 4000a by Grunding

[dend]

It Works....... It doesnt Work!

Great thanks, the code is correct, radio worked fine. Drove 10 miles, turned ignition off, then started up again to come back..... radio locked again 'safe'?????

What do I do now?


Dend: :cryin:

[_Franky_]

Help! My Mercedes is silent :cryin:

I have a 4000a radio with a serial no DB 1160 W 1181748 made by Grundig

Can you get the code please to unlock.
Also what is the exact procedure to enter and unlock?
How many attempts can you have at code entry?


Thanks in Advance

Dend

try . . . . 7994 . . . .

Switch Radio On - Display Shows
" SAFE " And Then Shows " 1 - - - "
Press preset " 1 " repeatedly for 1st Digit
Press preset " 2 " repeatedly for 2nd Digit
Press preset " 3 " repeatedly for 3rd Digit
Press preset " 4 " repeatedly for 4th Digit
If the correct code number is now shown
Press " LOUD EXPERT " To Enter

you have 10 attempts . . . good luck

[dend]

Mercedes ( Grundig) model 4000a

Help! My Mercedes is silent :cryin:

I have a 4000a radio with a serial no DB 1160 W 1181748 made by Grundig

Can you get the code please to unlock.
Also what is the exact procedure to enter and unlock?
How many attempts can you have at code entry?


Thanks in Advance

Dend

[RegWorts]

Hi
Nead help.
I have one Mercedes Sound 4000a by Grunding, sn DB1160Y2128128.
ZC439148CFN MC68HC11KA4 WKC5LMC-05

PLEASE Code Entry Help THANKS.

Did you read the previous reply?

[guldogan]

Hi
Nead help.
I have one Mercedes Sound 4000a by Grunding, sn DB1160Y2128128.
ZC439148CFN MC68HC11KA4 WKC5LMC-05

PLEASE Code Entry Help THANKS.

[RegWorts]

Hi
Nead help.
I have one Mercedes Sound 4000a by Grunding, sn DB1160Y2128128.

PLEASE Code Entry Help THANKS.

Sorry...Main Merc Dealer or Radio Decoding Service only for this code

[guldogan]

Hi
Nead help.
I have one Mercedes Sound 4000a by Grunding, sn DB1160Y2128128.

PLEASE Code Entry Help THANKS.

[mar12]

Code

Hi

Nead help.
I have one Mercedes Sound 4000a by Grunding, sn DB1160W1159235.
Code is in MCU MC68HC11KA4 (ZC439148CFN WKC5L MC-05).

Can some calculate code for this radio or I must de-solder mcu

BR

Hi,
1100 let the music play...
Regards
mar12

[bhgsmservis]

Hi

Nead help.
I have one Mercedes Sound 4000a by Grunding, sn DB1160W1159235.
Code is in MCU MC68HC11KA4 (ZC439148CFN WKC5L MC-05).

Can some calculate code for this radio or I must de-solder mcu

BR