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I have a 20058 mb ml350 with a radio unit model# nv4bn11a
i have a 20058 mb ml350 with a radio unit model# ***** and s/no al441040463763. dealer give me the radio code 51131. I have tried multiple times and radio gose to wait mode. … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
After changing my car battery my radio would not work. When
After changing my car battery my radio would not work. When I put in the radio code and pressed "okay", "Wait" appeared. After 5 minutes the word "code" appeared again with the first letter "c" flashi… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
Thanks I am lost the radio security code for my ML350. The
Thanks I am lost the radio security code for my ML350 … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
My husband's 1996 SL 500 was just recharged after a dead
My husband's 1996 SL 500 was just recharged after a dead battery and the radio code button is now on. He bought this used from a dealer and has never had to do a reset and he does not find a code refe… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Bill I need the security code 2003 Mercedes-Benz ML500
Bill I need the security code for my 2003 Mercedes-Benz ML500 radio, the vin# ***** ***** … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Marty...We've never had this problem since we've owned this
Hi Marty...We've never had this problem since we've owned this car and have used the radio system a lot and have never been asked to enter a security code until now. We have never ad or even know what… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Mercedes-Benz 320ml: i just purchased a used 2000 320ml..the
i just purchased a used 2000 320ml..the battery was dead a long time and the vehicle was at a used car dealership which put a couple different batteries in it this past week...the radio need to be rea… read more
Eric
Eric
Retired
N/A
33,610 satisfied customers
ML430: Marty, I just bought a used 2000 ML430 this weekend
Marty, I just bought a used 2000 ML430 this weekend and the radio is driving me nuts. I have the access code 13133 SER no AL 4910 Y(###) ###-####. The radio asks for the code (after I replaced the bat… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Mercedes audio 10 cd code. Changed the battery and the radio
Mercedes audio 10 cd code. Changed the battery and the radio went out and ask for the code. Mercedes A170 820 03 86 Model no: MF2910 S.NO: AL 2910 Y 08 27720 Thanks for the code ? Martin… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
Mercedes-Benz ML350: We had to get a new battery for our 2005
We had to get a new battery for our 2005 mercedes ML350. Now the radio is asking for a security code. Can you give me that code? my vin is 4JGAB57E85A535863… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Two days ago I bought a 2004 Mercedes ML350. At the time I
Two days ago I bought a 2004 Mercedes ML350. At the time I bought it its battery was dead. Upon cranking the Bose radio/CD (w/o changer)/GPS/ asks for a security code. My VIN is 4JGAB57EX4A469296. I w… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1995 mercedes: disconnected..radio code to unlock the radio..unlocks
RE 1995 Mercedes 320SL.. My radio "locked up" when I disconnected the battery. Although I have the radio code to "unlock" the radio, it does not work. The radio will ask for the code but after I enter… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I bought an 05 ML350 and battery was reset yesterday and Ive
I bought an 05 ML350 and battery was reset yesterday and I've entered the wrong code several times so now I'm just stuck on the waiting screen. i found out the unlock code to my car was/is 31344 but I… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1998 C230: Mercedes..The radio went to code after changing battery
I have a 1998 C230 Mercedes. The radio went to code after changing battery. We got the code from the Mercedes Dealer, but still can't get the radio to work. Once the CODE is up on the screen I enter t… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
2000 Mercedes: My battery went dead..jump start..start my..my radio
I have a 2000 Mercedes ML55. My battery went dead and after a jump start my radio said enter security code. I tried a few 6 digit combinations like 1,2,3.4,5,6 and then 2,4,6,8,0. My radio now says WA… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
E430: SEDAN..MY BATTERY DIED..CAR SAT..MY CAR RADIO IS ASKING ME
I HOPE YOU CAN HELP ME, I OWN A 2000-E430 SEDAN RECENTLY MY BATTERY DIED ON ME BECAUSE MY CAR SAT ABOUT 45 DAYS WHILE I WAS OUT OF TOWN. MY CAR RADIO IS ASKING ME FOR A CODE CAN YOU HELP ME PLEASE!… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
2003 Mercedes Benz ml320: car lot..I started it to test drive
Was at a car lot this morning to buy a 2003 Mercedes Benz ML 320. When I started it to test drive. The GPS screen read "Please Wait." When I asked about it, the sales person said I probably need to ha… read more
Victor MB
Victor MB
Vocational, Technical or Trade Scho
204 satisfied customers
2004 mercedes ML350: disconected..alternator..hour nothing happen
I have a 2004 mercedes ML350 I disconected the battery to change the alternator, now the radio was asking for the code. I put in the code radio screen shows (whait) is thi normal I waited for like hal… read more
mbmastercertified
mbmastercertified
technician
High School or GED
18 satisfied customers
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Meet the Experts:

MB Paul

MB Paul

Mercedes Technician

3,567 satisfied customers

Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

Marty

Marty

Mercedes Technician

29,460 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

Mercedes Technician

4,460 satisfied customers

20 years Master Certified excellent fix rate and have access to factory wiring, and instructions.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,132 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

643 satisfied customers

Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing

promerc

promerc

mercedes diagnostic technician

553 satisfied customers

Qualified mercedes diagnostic technician & service team manager , ATA registered Master tech

Hipo64

Hipo64

Mercedes Technician

444 satisfied customers

Work and diagnose electronics on daily basis.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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