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Lou, I forgot I have another problem with the 2004 S500.
Hi Lou, I forgot I have another problem with the 2004 S500. When I lock the car, the headlights and taillights continue to blink. The locks as it needs to. By pushing the lock button on the ketfob a c… read more
Lou Palomino
Lou Palomino
Mercedes Technician
associates in automotive technology
10,229 satisfied customers
0... Sorry i'm late. i have 07my w221 s5500. 2007 metcedes
yes. i have problem to alarm signal siren(H3/1) i don't know location … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I have a 2001 SLK 320 and I was starting driving down the
Second opinion] I have a 2001 SLK 320 and I was starting driving down the road and a loud wailing siren started up followed by loud warning beeps. It lasted for a while, stopped for a minute, then sta… read more
Kevin
Kevin
workshop foreman /master tech/mot tester
5,743 satisfied customers
I have a mercxedes s500 2004. The car is not holding a
I have a mercxedes s500 2004. The car is not holding a charge. I bought a new battery and am having it installed. But right now my alarm is going off and i can not figure why. I can't turn it off. Any… read more
Lou Palomino
Lou Palomino
Mercedes Technician
associates in automotive technology
10,229 satisfied customers
Once locking the car a horn/siren sounds in my left fender
once locking the car a horn/siren sounds in my left fender towards the rear next too the door and continues sounding for 10 min and stops ,yesterday it was sounding when I was driving and this morning… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes E350 2009. Today I took my car to get the tires
Mercedes E350 2009.Today I took my car to get the tires changed. I took out the key from the fall and give the form to the mechanic. Then I took the key to get something out from the car and I open th… read more
Lou Palomino
Lou Palomino
Mercedes Technician
associates in automotive technology
10,229 satisfied customers
Alarm siren, but not horn keeps going off randomly. Just
Alarm siren, but not horn keeps going off randomly. Just started today. Only thing that seems to stop it for some period of time is to not lock the vehicle. Also the round control knob on the command … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
My C240 alarm will go off for no apparent reason, Not
I have tried nothing..I decided to research it first to decide if I could fix it or if I was going to need to take into MB … read more
Lou Palomino
Lou Palomino
Mercedes Technician
associates in automotive technology
10,229 satisfied customers
S430: Marty, please note that I have searched numerous forums
Hi Marty, please note that I have searched numerous forums on this subject with no definite answer to my issue. I own a 2003 s430. My problem started 2 yrs ago when I would lock the car with my remote… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Slk 320: , alarm key didn't work so I opened the car with
Hi, alarm key didn't work so I opened the car with the blade key. Alarm went off. Tried starting car and it won't start now. Alarm keeps going off if I try to open the glove compartment or lock the do… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
E320: ! I have a Mercedes 2003 E320. My Alarm doesn't
! I have a Mercedes 2003 E320. My Alarm doesn't work. I tried open the locked car by reaching inside the open window and open the door, but nothing happens. When I lock the car, the lights are blinkin… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
m.. s 500: i have a 04 s500 mb ; trunk wasn't oppening; i
i have a 04 s500 mb ; trunk wasn't oppening; i scanned the system and replaced p.s.e. pump and trunk lock mechanism. now the trunk works well;but the alarm goes off when i use the remote key to lock t… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
c230 kompressor: hi I have a c230 komperssor key will start
hi I have a c230 komperssor key will start car but will not unlock or lock the car but the light will flash when I press the it .the car was parked for like 3yrs.put in two new batt's.mybe it could be… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
SLK 320: My 2001 SLK320 remote has stopped working - both keys
My 2001 SLK320 remote has stopped working - both keys have battery charge but do not function. Battery for the car is fine - can unlock and lock the car with key manually but the alarm will then sound… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
key remote doesnt work..remote the alarm goes..wheel well..mud flap
I have a 2000 S500 The panic button on key remote doesnt work and when the car is locked with the remote the alarm goes off continously after about a minute. Do you think changing the siren alarm loca… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
2003 C320: alarm system..coupe..the fog lights and turn signal lights
I started having problems with the alarm system on my 2003 C320 coupe about a month ago. On a few occasions (may 3-4 times) the full alarm system has activated for no obvious reason. About once or twi… read more
promerc
promerc
mercedes diagnostic technician
Vocational, Technical or Trade Scho
553 satisfied customers
S500: I unlocked veh with metal key door and trunk..sits
I have a 01 S500, the battery went dead so I unlocked veh with metal key door and trunk, installed new battery with no problem, then started veh. ok. When veh sits for a min. or two the lights flash i… read more
Nelson Garcia
Nelson Garcia
Vocational, Technical or Trade Scho
1,094 satisfied customers
1998 mercedes-benz s500: flashers..started flashing..alarm..my battery
i have a 1998 mercedes-benz s500 and lately my hazard flashers have started flashing when i get out of the car. the alarm is not sounding but the hazards are flashing. this has been killing my battery… read more
MBZ TECH
MBZ TECH
MERCEDES TECH,TEAM LEADER/TRAINER
High School or GED
32 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

30,558 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,132 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

771 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.

Tim Mohr

Tim Mohr

ASE MASTER TECH

283 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

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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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