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Parked car to go into supermarket it was working fine. When
parked car to go into supermarket it was working fine. When I got back to the car I opened the doors via the FOB the radio & lights turned on, but the car won't start, nor will the steering wheel unlo… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,654 satisfied customers
My 1999 Mercedes SLK 300 alarm went off last night. Now
My 1999 Mercedes SLK 300 alarm went off last night. Now neither the key fob nor the valet key will unlock the doors to get in. … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
2001 ML320 and the keyfob wont work except for once after
2001 ML320 and the keyfob wont work except for once after re-synching … read more
Jim
Jim
Vocational, Technical or Trade Scho
1,491 satisfied customers
2001 slk 230. Suddenly alarm started going off when opening
2001 slk 230. Suddenly alarm started going off when opening car door. Key fob had no effect in turning it off. Replaced the batteries in both key fobs and tried to synch. Vehicle will no longer start … read more
Marty
Marty
Mercedes Technician
Associate Degree
55,654 satisfied customers
The alarm is going off and the car won't start. Even when I
The alarm is going off and the car won't start. Even when I turn the emergency key in the door lock, the door unlocks, but the alarm is still activated … read more
sprinkles08
sprinkles08
Technician
High School or GED
18,061 satisfied customers
Have a c280 1999 Mercedes. When I turn the ignition the
Have a c280 1999 Mercedes. When I turn the ignition the alarm goes off. How do I stop this?… read more
sprinkles08
sprinkles08
Technician
High School or GED
18,061 satisfied customers
CLK350: Hi Marty, I bought a 2006 CLK350 and the alarm/lock
Hi Marty, I bought a 2006 CLK350 and the alarm/lock and unlock function is not working. It started by not working for a day, then working for 2days, then working again until now it died conmpletely. E… read more
promerc
promerc
mercedes diagnostic technician
Vocational, Technical or Trade Scho
553 satisfied customers
Mercedes-Benz SLK 32 AMG: 2002 SLK 32 - car locked with fob
2002 SLK 32 - car locked with fob last nite would not open this morning, used key in door and set off alarm, put key in ignition and car turned over then shut down, did it a second time with car turni… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
ihave an e240 saloon. battery under rear seat. battery went
ihave an e240 saloon. battery under rear seat. battery went flat. i have recharged it. However had to open car with the key and when I connect battery the alarm sounds all the time and the 2 keys do n… read more
Billy
Billy
Bachelor's degree
3,457 satisfied customers
I have 96 e320 that was sitting in the back yard for a year
I have 96 e320 that was sitting in the back yard for a year and the battery die. changed th battery a month it turns but does not start. The green and the red light inside keeps flashing and the light… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,654 satisfied customers
I own a Mercedes C-Class C200 Kompressor, I can not unlock
I own a Mercedes C-Class C200 Kompressor, I can not unlock the doors with the central locking key.I opened the door manually with the key but when I try to start the car, the ignition key doesn't turn… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,654 satisfied customers
2008 mercedes: key fob didnt unlock doors used..wouldnt start
2008 mercedes c300. key fob didnt unlock doors used key in end of FOB. alarm went off car wouldnt start . after about 30 minutes the car reset itself and off I went? is this normal?… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,894 satisfied customers
Mercedes-Benz SLK320 MY SLK 320 LOCKED ME OUT. THE FOB WOULD
MY SLK 320 LOCKED ME OUT. THE FOB WOULD NOT OPEN THE DOOR, SO I USED THE KEY THE ALARM WENT OFF. I TRIED TO START IT NOW THE WHOLE CAR IS IN LOCK DOWN. WHAT DO I DO?… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,654 satisfied customers
2001 slk320: AMG..parked..passengers side door and the alarm activated
My wife's 2001 SLK 320 AMG was parked unlocked yesterday in the yard. I opened the passengers side door and the alarm activated. The door was closed and the alarm shut off in approx. 1 min. with the k… read more
Claus Heilbronner
Claus Heilbronner
Vocational, Technical or Trade Scho
18 satisfied customers
I have a 1999 C280 and suddenly my smart key will not unlock
I have a 1999 C280 and suddenly my smart key will not unlock the doors, trunk, or gas tank. I can not even unlock the trunk from the button inside the car anymore. The car starts and runs fine with th… read more
Nelson Garcia
Nelson Garcia
Vocational, Technical or Trade Scho
1,094 satisfied customers
Alarm - batteries in key fob ok..engine turns..reg
unable to disable alarm - batteries in key fob ok - but signal not getting through - engine turns over but alarm cuts out engine - have tried to reprogramme key in ignition but this fails to correct p… read more
promerc
promerc
mercedes diagnostic technician
Vocational, Technical or Trade Scho
553 satisfied customers
2002 slk 230 Kompressor key fob not working and the car wont
2002 slk 230 Kompressor key fob not working and the car won't start. I put the key in ignition and tried to start. Car alarm went off but did not start.… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,654 satisfied customers
2002 slk230: when locking the car the alarm keeps going..disconect
I have a 2002 slk 230 kompressor when locking the car the alarm keeps going off the only way to stop it is disconect the battery. This has only just started to happen today have owned the car for 4 yr… read more
promerc
promerc
mercedes diagnostic technician
Vocational, Technical or Trade Scho
553 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

55,654 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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