ml430 alarm sounding intermittently for no obvious reason

Asked by May 11, 2017 at 08:17 AM about the 2000 Mercedes-Benz M-Class ML 430

Question type: Maintenance & Repair

Have a 2000 reg ML430.  Experiencing issues with the alarm. Goes off intermittently for no obvious reason - seems to happen every few hours - even does it when driving.  Been having some issues with central locking but they have been fixed by a replacement switch being installed BUT this alarm problem has been going on for a while.  In the past we had found that the alarm would not sound if we locked the car using the central locking rather than the key fob, but this now seems to make no difference (since we had the central locking fixed that is). Lights dont flash when alarm sounds.  We are probably going to have to take back to the garage BUT wondered if there could be any obvious (and well known) causes -for example, does the battery need replacing on the alarm system? Is it a door sensor perhaps? Any suggestions would be helpful so either we can fix it OR we can at least point the garage in the right direction (and so save potentially on a lot of labour costs)

1 Answer

5,175

On most MB's after 1995 there is a code for the alarm system that needs to be reset (usually by a licensed MB shop, or the dealer). This will eliminate the issue and they can also recode the fob so that it works the way its supposed to. Best of luck!

1 of 1 people found this helpful.

Your Answer

Mercedes-Benz M-Class Experts

  • #1
    jihadghazali
    Reputation
    1,230
  • #2
    wellness
    Reputation
    990
  • #3
    snowseal19
    Reputation
    730
View All

Related Models For Sale

Used BMW X5
37 Great Deals out of 942 listings starting at $2,950
Used Mercedes-Benz E-Class
36 Great Deals out of 611 listings starting at $2,390
Used Mercedes-Benz C-Class
136 Great Deals out of 1,573 listings starting at $1,999
Used Mercedes-Benz S-Class
3 Great Deals out of 132 listings starting at $5,494
Used Mercedes-Benz G-Class
30 listings starting at $38,995
Used Land Rover Range Rover
6 Great Deals out of 115 listings starting at $7,980
Used Acura MDX
27 Great Deals out of 502 listings starting at $1,300
Used Jeep Grand Cherokee
154 Great Deals out of 3,650 listings starting at $2,995

Used Cars For Sale

2015 Mercedes-Benz M-Class For Sale
13 Great Deals out of 125 listings starting at $36,450
2014 Mercedes-Benz M-Class For Sale
4 Great Deals out of 103 listings starting at $30,995
2013 Mercedes-Benz M-Class For Sale
3 Great Deals out of 48 listings starting at $26,500
2012 Mercedes-Benz M-Class For Sale
57 listings starting at $24,800
2011 Mercedes-Benz M-Class For Sale
4 Great Deals out of 32 listings starting at $16,950

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.