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Replaced the alternator and battery and when we hooked up
replaced the alternator and battery and when we hooked up the battery it still arks and sparks and seems like a shortage somewhere … read more
Andrew Martin
Andrew Martin
Level A Technician
Technical Certificate
846 satisfied customers
I have a 2004 Mercedes c240. New alternator and battery, but
I have a 2004 Mercedes c240. New alternator and battery, but car reading alt/battery see workshop. Car died after a couple months of new alternator so i put new battery in. Warning light still on. Wha… read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
5,857 satisfied customers
My sons 2004 C240 threw the code for Alternator/Battery
My sons 2004 C240 threw the code for Alternator/Battery while driving. He contiinued to drive for an additional 20 minutes. The battery then died and he pulled over. I am assuming this is the atlernat… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,658 satisfied customers
I have a 2003 C240 SW. My key won't even turn. I have a new
I have a 2003 C240 SW. My key won't even turn. I have a new battery. Headlights come on. It seems as if the key is just not being accepted. What can I do?… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
I have a 1998 Mercedes c240 the car has locked itself as
hi I have a 1998 Mercedes c240 the car has locked itself as battery is flat have new battery but cant get into boot as have no power … read more
Matt
Matt
Engineer
Bachelor's Degree
643 satisfied customers
Changed battery in my key for my 2004 c240. I shut the car
Changed battery in my key for my 2004 c240. I shut the car off one day and the key just stopped wkn … read more
Gunvir Singh
Gunvir Singh
1,949 satisfied customers
In the morning or stop period then start, take cranking. new
in the morning or stop long period then start , take long cranking . … read more
Gunvir Singh
Gunvir Singh
1,949 satisfied customers
My 2004 mercedes won't start just makes a clicking sound.
my 2004 mercedes won't start just makes a clicking sound. charged up the battery. Is there a way u can reset the computer? … read more
Marty
Marty
Mercedes Technician
Associate Degree
55,658 satisfied customers
2004 c240 mercedes-benz I have changed the mass air flow
Hey, 2004 c240 mercedes-benz I have changed the mass air flow sensor all the spark plugs out of oil change my battery and the alternator are good and in the morning it want start up?… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,894 satisfied customers
C240: I have no power to my fuse # ***** and the car wont start
I have no power to my fuse # ***** and the car won't start the engine fan kicks on when I turn the key model is a 2001 C240… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,658 satisfied customers
2004 c240: starter relay..20 amp fuse---fuse..blown..fuel pump relay
2004 c240 will not start. I replace the battery, starter relay, and fuse 52 with 20 amp fuse---fuse was blown. Also replaced fuel pump relay. With new batty, all systems work except the wiper blades a… read more
Billy
Billy
Bachelor's degree
3,457 satisfied customers
2004 c240: radiator fan and all other components inside the car
2004 c240 will not start. I replaced the battery. So all the systems works including radiator fan and all other components inside the car. Tested the starter and that is not the issue. Replaced starte… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,658 satisfied customers
2001 mercedes c240: wont start..blinkers, wipers and gas guage
2001 mercedes c240 wont start. blinkers, wipers and gas guage didn't work. Battery went dead one day. took the car to the (non mercedes) shop down the street (for convienience) and the car wouldn't re… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,658 satisfied customers
2003 C240: FEW WEEKS THE WORKSHOP BATTERY/ALTERNATOR..ON...60 MILES
HAVE A 2003 C240. BATTERY IS OKAY AND JUST REPLACED THE ALTERNATOR, BUT AFTER A FEW WEEKS THE "WORKSHOP BATTERY/ALTERNATOR" RED LIGHT IS COMING ON. IT HAPPENED YESTERDAY AND I WAS ABLE TO START THE CA… read more
Nelson Garcia
Nelson Garcia
Vocational, Technical or Trade Scho
1,094 satisfied customers
2003 Mercedes C240: base model..intermittanly wont start..crank
I have a 2003 Mercedes C240 base model that intermittanly won't start. The engine will not crank over when this happens. All other indications are normal. Typically it happens after the car has been r… read more
Marty
Marty
Mercedes Technician
Associate Degree
55,658 satisfied customers
2003 Mercedes C240: crank over but wont start..engine starts
2003 Mercedes C240, Hard to start. When trying to start engine, will crank over but won't start. Mercedes has a feature that keeps the starter going once you let go of the key until the engine starts,… read more
rpmdiag
rpmdiag
High school
8,052 satisfied customers
2004 C240: drove..alternator..check engine..running on 4 cylinders
2004 C240 drove through large puddle, car stalled and alternator/battery warning came on. Car restarted, but says check engine and feels as though it is running on 4 cylinders. Has dried out for 3 day… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,565 satisfied customers
Hi, yesterday my Mercedes Benz C240 would not turnover. My
Hi, yesterday my Mercedes Benz C240 would not turnover. My lights, radio, and horn were very strong, and unfortunately I was stranded and had to call AAA. They tried to jump me but still nothing happe… read more
VinnievegaMBtech
VinnievegaMBtech
Systems Technician
Vocational, Technical or Trade Scho
130 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

55,658 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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