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I used the hard key inside the smart one now my Mercedes
I used the hard key inside the smart one now my Mercedes C300 doesn't want to start no answer and the battery is fully charged … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
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C320: My smart key will not open door or lock doors to Mercedes,
My smart key will not open door or lock doors to Mercedes, also will not start car ignition will not turn light on smart key flashes when I press open and unlock button down what could be the issue al… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,648 satisfied customers
E350: I just bought a 2008 MB E350 and my key fob would not
I just bought a 2008 MB E350 and my key fob would not unlock the door, trunk, ect... So I went to the dealer bought a new key fob and master. They said they programmed it, but also said it still didn'… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,648 satisfied customers
SL500: I have a 2003 Sl500. Last week, while driving, the steering
I have a 2003 Sl500. Last week, while driving, the steering wheel went all the way up and the radio shut off on its own. When I turned the car off, the key fob would not turn in the ignition and I cou… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,648 satisfied customers
C350: I have a 2008 C350 the car will not start, the key turns
I have a 2008 C350 the car will not start, the key turns over just like normal but when you turn the switch over it just does nothing doesn't make a sound at all. I have purchased a new battery and th… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,889 satisfied customers
C350: I have a 2008 Mercedes C350 Sport. My daughter got out
I have a 2008 Mercedes C350 Sport. My daughter got out of it and tried to lock it, remote key wouldn't lock it. Tried to start it, it won't turn over or start, seems completely dead. Radio works, dash… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,564 satisfied customers
C350: I have a 2009 Mercedes C350 and I cant get any power
I have a 2009 Mercedes C350 and I cant get any power from the ignition to start Wont turn over. The lights come on but still wont start. Could it be smart key on the ignition switch ? I m not sure why… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,564 satisfied customers
2003 SL500 mercedes parked in garage. next day both smart keys
2003 SL500 mercedes parked in garage. next day both smart keys would not work for door locks or ignition switch. door locks work from inside switch. all 3 fuse boxes recieving power along with f78 fus… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,648 satisfied customers
C350: I have a 2008 C350 with 69K miles. I have had no major
I have a 2008 C350 with 69K miles. I have had no major issues with the car and recently had the Service A done and no issues were identified. I stopped on my way home to get a cup of coffee. When I ca… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,889 satisfied customers
C320: Hello, I have a C320, went to remotely unlock the door,
Hello, I have a C320, went to remotely unlock the door, nothing, same with the trunk, nothing. I used the inside key to access the car, then tried to start the engine and the key wont turn... Whats go… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,648 satisfied customers
Mercedes-Benz C300 Hello. I have a 2008 mercedes c300. I bought
Hello. I have a 2008 mercedes c300. I bought the car used over a year ago and the dealership gave me one smart key. Background story is dealing with my girlfriend. She had the only smart key. She clai… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,889 satisfied customers
2006 CLK350: was towed..back, it seemed ok..unlocking..steering wheel
My 2006 CLK350 was towed about a week ago. When I got it back, it seemed ok at first. I soon had a problem turning the key in the ignition and unlocking the steering wheel. It made a chirping sound an… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,648 satisfied customers
2005 e320 cdi: malfunction..engage..starter and noticed a flicker
I have a 2005 e320 cdi. I put the smart key in this morning, and got a message of a brake malfunction. Could not engage starter and noticed a flicker on the control panal. I got out looked around and … read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
2008 benz..ignition key nothing happensbattery under hood..fuses
I have 2008 benz C350 with 68000 miles, when you turn the ignition key nothing happens battery under hood has full charge remote works , emercency flashers work, but no dummy lights or any indication … read more
Anthony
Anthony
Master Automobile Technician
Vocational, Technical or Trade Scho
11,778 satisfied customers
98 C280: PLEASE DISREGARD - alternate key was used..Sport
PLEASE DISREGARD - alternate key was used to start the car. Thanks anyway. I have a '98 C280 Sport. The Smart Key (with new batteries) when inserted will not engage the ignition (the switching sounds)… read more
Dodge expert
Dodge expert
ASE MASTER TECH, REPAIR FACILITY OWNER
High School or GED
3,636 satisfied customers
The car has not been driven for a while..control doesnt..l
my battery is dead because the car has not been driven for a while, and the remote control doesn't open the car. How can l charge the battery?… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,648 satisfied customers
2002 S430: Drove home..blink..Next day cannot get either FOB to unlock
2002 S430. Drove home and locked it up fine with FOB (triple blink okay). Next day cannot get either FOB to unlock. Manual key will barely move the lock up a little but not enough to unlock. Is this a… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,648 satisfied customers
2002 CL500: low voltage..mirrors seats and passenger window
Have a 2002 CL500 that needed a new battery. Some of the convienence features stopped working also be cause of the low voltage supply. Put a new battery in but still have issues with mirrors seats and… read more
Victor MB
Victor MB
Vocational, Technical or Trade Scho
204 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

55,648 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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