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Related Mercedes Questions
My key fob does not lock or unlock my doors, yes it flashes
checked the central locking fuses when the car drives the door locks activate … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Got 2000 Mercedes S430. Battery was dead, so doors won't
Got 2000 Mercedes S430. Battery was dead, so doors won't open. I managed to open trunk with metal key and charged battery. Also replaced batteries on FOB. When trying to unlock using FOB, turn lights … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I had activated the alarm on my L 500 not knowing that by
I had activated the alarm on my L 500 not knowing that by opening it the mechanical or locking withis key would activate the alarm. I went through a couple of procedures to reset, but how do I iknow t… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I have a 1997 c280 . I seem to be having problems with my door
I have a 1997 c280 . I seem to be having problems with my door locks . I can open them with the key in the passenger door or the trunk . the remote "blinks" nothind … read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
9,532 satisfied customers
Marty. I disconnected the positive cable from my battery. I
Hi Marty. I disconnected the positive cable from my battery. I closed the trunk. Neither my fob or trunk release button work. My blade key that I can slide out of my fob works in drivers door but not … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
C280: , I lost the keyless remote entry fob 1994 C280.
Hi, I lost the keyless remote entry fob for my 1994 C280. I have spare manual keys but there's no actual lock on the door, it's remote entry only. The trunk has a lock, but I'm afraid to try it in cas… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
C280: I have a 1999 C-280. The trunk button inside the car
I have a 1999 C-280. The trunk button inside the car has a red light on. As long as the red light stays on (about 10 minutes), I cannot get into the trunk, the key will not work, the fob will not work… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
SL 320: Well - I have never done this before, but have a
Well - I have never done this before, but have a problem with my 1996 SL 320 keyless entry system. I hit the unlock button on my keychain numerous times in a row and now the car will only lock and unl… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I have a 1996 Merc W140 S500. The remote central locking is
i have a 1996 Merc W140 S500. The remote central locking is not working and I cannot start the car because it is immobilised as I last locked the car this afternoon using the remote locking (when it w… read more
promerc
promerc
mercedes diagnostic technician
Vocational, Technical or Trade Scho
553 satisfied customers
mercedes SL500: central locking system..metal..doors..wont open
I have a mercedes SL500 first registered in the UK in November 2002. The central locking system is not working so I have to use the metal ("emergency") key to manually unlock the doors and boot. Now t… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
2003 mercedes: sl..i went to the trunk..drove..same thing happened
hi, i have a 2003 mercedes 500 sl, today as i was trying to open the car with the remote the central lock did not respond. i opened the door with the key started the car and then discovered that the t… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
c220: cdi avant 4dr saloon 2148 diesel 2005..fob..door locks manually
i have a merc c220 cdi avant 4dr saloon 2148 diesel 2005. someone broke in drivers door. central locking now works with fob only on other doors and boot.. drivers door locks manually with steel key. a… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Central locking..red diagnostic to close trunk lid..Key fob..unlocked
my sl55 2005 central locking system won't work, trunk wont open and show red diagnostic to close trunk lid although it is closed ok. top won't open either, Key fob will 'unlock' ok ie lights flash but… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
cdi..key immobilizer button doesnt lock doors..) fuses..switches
'06 smart 4/2 cdi: how do I get the 4-way flasher button to work? also the 'key immobilizer' button doesn't lock doors either! NOT FUNCTIONING as per INSTR. MANUAL instructions!!(A/C and window heat b… read more
Nelson Garcia
Nelson Garcia
Vocational, Technical or Trade Scho
1,094 satisfied customers
body shop..fog lamps..defective lamp light is on..driver door unlocked
I picked up my car from the body shop this morning (repair of salt damage from this winter). I know I have to take it back because my fog lamps and standing lamps don't work now and the defective lamp… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
2002 CLK430: alarm..the battery on the key fob and that didnt help
I have a 2002 CLK430. The alarm won't turn off. I replaced the battery on the key fob and that didn't help. What can I do to turn off the alarm? Please help.… read more
Lou Palomino
Lou Palomino
associates in automotive technology
10,278 satisfied customers
mb..central-locking..drivers door..windows and sunroof with the key
I have a MB C200K, the central-locking switch seems to be stuck? The key will lock and unlock all the doors, except the drivers door, and will not close the windows and sunroof with the key. (Does thi… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
alarm..key fob will not work at all to lock,unlock or panic button
the alarm was set off by my son. I put the key in ignition and started the car. Now the key fob will not work at all to lock,unlock or panic button. is there a sequnce to reset?? Its a 2001 ML 55… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 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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