Mercedes

Have Mercedes Questions? Ask a Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Mercedes

I have a 98 sl500, I didn't run it over the winter and the

Customer Question
battery died, I jumped it...
I have a 98 sl500, I didn't run it over the winter and the battery died, I jumped it and it ran but the battery drained again when I parked it. I bought a new battery and now the car cranks but does not start. Idea's ?
JA: Does the engine turn over? How old is the battery?
Customer: yes it turns over and the battery is new.
JA: Are you hoping to fix this yourself?
Customer: yes
JA: Great! What have you tried so far?
Customer: I read where it could have been the crankshaft sensor, so I just replaced it and still the same issue.
JA: Is there anything else the Mercedes Mechanic should be aware of about your Mercedes?
Customer: No
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Mercedes Mechanic about your situation and then connect you two.
Submitted: 1 year ago.Category: Mercedes
Show More
Show Less
Ask Your Own Mercedes Question
Answered in 5 minutes by:
6/1/2016
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago
Lou P. master tech
Lou P. master tech, Mercedes Technician
Category: Mercedes
Satisfied Customers: 5,142
Experience: 15 years master certified 100% fix rate and have access to factory radio codes, wiring, and instructions.
Verified

Hello, looking over your story i have to ask , at any time was the battery hooked up wrong or jumper cables used incorrectly?

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
Not that I am aware
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

ok so at this point lets start at the battery, make sure the cables are 100% tight and cannot be twisted by hand, then close the door and lock and unlock the car and then see if it will start.

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
ok give me a min
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

no problem i am in no hurry

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
No it did not start
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

ok, so now we need to know if we are missing fuel or spark, at the front right of the engine on the fuel rail there is a small black plastic cap that unscrews and has a valve under it like a tire valve, press the center in carefully and see if fuel comes out. also do you hear the fuel pump buzz when turning the key on?

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
When I turn the key I can hear the hum, I will need a little clarification on the fuel rail location.
Customer reply replied 1 year ago
Found it and gas came out
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

ok so then crank it one more time and reconfirm and then we can move on

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
A little diff than your pic, but gas came out.
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

my pic was v6 same engine just minus 2 cylinders.

ok so how many ignition keys do you have?

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
It seemed like it wanted t o start, but didn't. Is there anything like a reset for the computer?
Customer reply replied 1 year ago
1 key
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

no reset, other than locking and unlocking to see if it was because of the alarm . ok do you have starter fluid?

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
I'll check
Customer reply replied 1 year ago
No on the starter fluid
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

ok, well, we need to know if we are missing fuel or spark. so can you get some? and maybe rent a scan tool from autozone to see if we have any codes to work off of, we need to determine if it is a security issue or sensor issue. also if you want to do a precheck, you can check all the fuses in the car, maybe one popped.

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
ok, how do I get back to you? Just leave this window open?
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

yes you can reply here anytime, copy and paste the address at the address bar or bookmark this page. if i dont hear from you i will try and contact you.

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
ok, it started with the starter fluid, I turned the car off after 30secs and it wouldn't start on its own. Hit it again with fluid and it started but when I hit the gas it died again.
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

ok so the module is not injecting fuel, give it a small shot and see how long it runs on its own.

Ask Your Own Mercedes Question
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

i find it hard to think you have a failed part after just a battery replacement, i have to leave for a bit. i will opt out so another expert can keep you on track. i will check back on the chat later to see how you are progressing and if i can advise of any repairs.

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
ok hit it with fluid and it ran about 3 mins and died.
Customer reply replied 1 year ago
Just went and checked with a code reader and came back zero. Turned the key and it started right up without the use of fluid, ran a few mins and died, wont restart.
Customer reply replied 1 year ago
Hit the MAF sensor with cleaner, same results
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago
Ok I am back. Sounds like the fuel pump is not working correctly. What is your fuel level? You will need to do a fuel pressure check to see what the pressure is when you first turn the key on and also the pressure when cranking and how long it holds pressure when the key is shut off. That all will determine if the fuel pump is good or not.
Ask Your Own Mercedes Question
Ask Lou P. master tech Your Own Question
Lou P. master tech
Lou P. master tech
Lou P. master tech, Mercedes Technician
Category: Mercedes
Satisfied Customers: 5,142
5,142 Satisfied Customers
Experience: 15 years master certified 100% fix rate and have access to factory radio codes, wiring, and instructions.

Lou P. master tech is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible.

CharlesWalnut Creek, CA

As a single woman, I really appreciate an excellent and affordable opinion.
Thank you Geordie, I will not hesitate to contact justanswer in the future!

SueCharleston, WV

Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff.

JimCastleberry, FL

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

< Previous | Next >

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

28,952 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

Mercedes Technician

5,142 satisfied customers

15 years master certified 100% fix rate and have access to factory radio codes, wiring, and instructions.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,131 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

598 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.

< Previous | Next >

Related Mercedes Questions
Have a 2004 SL500 with 42000. sat for 6 months and when I
Have a 2004 SL500 with 42000. sat for 6 months and when I jumped it some oil got on the side and was smoking. I had it looked at and he said the engine mount is blown out. Said all lifters need replac… read more
Michael Solis
Michael Solis
302 satisfied customers
My mechanic feels we need to replace our 1995 SL500 Engine
My mechanic feels we need to replace our 1995 SL500 Engine control module. The part in our car is(###) ###-####and i sent away for a used part and was sent a different part,(###) ###-####which also wa… read more
Marty
Marty
Mercedes Technician
Associate Degree
28,952 satisfied customers
I want to disable my alarm in my 1997 sl500. & yes. I
I want to disable my alarm in my 1997 sl500 JA: Have you checked the fuses? Is your battery fully charged? Customer: yes & yes JA: Are you fixing your SL500 yourself? What have you tried so far? Custo… read more
Marty
Marty
Mercedes Technician
Associate Degree
28,952 satisfied customers
Got a 95 Mercedes SL500, payed a Mechanic to replace the
Got a 95 Mercedes SL500, payed a Mechanic to replace the leaking Main lift Cylinder on the Convertible top. Now the top wont go up or down, the windows wont operate. when working u push the button & a… read more
Marty
Marty
Mercedes Technician
Associate Degree
28,952 satisfied customers
2003 SL500, top will not go up, as soon as I pull the lever
2003 SL500, top will not go up, as soon as I pull the lever the dash says visit workshop … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,142 satisfied customers
The top on my 2003 SL500 is giving me some problems. I am
The top on my 2003 SL500 is giving me some problems. I am sure it is low on fluid and perhaps has a leak in one or more of the hydraulic actuators. But I am unable to search for any leaks unless I can… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,142 satisfied customers
I have a 2006 sl500 when the car starts the SRS warning
I have a 2006 sl500 when the car starts the SRS warning comes on and a popping sound is heard behind the seat . It goes off after a little while . Whats up with my car? … read more
Kevin
Kevin
workshop foreman /master tech/mot tester
0 satisfied customers
Looking for location of abc control unit. 2003 sl500.
looking for location of abc control unit. 2003 sl500. wdb2304752F086201 … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,142 satisfied customers
I have a 2005 SL500.The brake light in the instrument
I have a 2005 SL500.The brake light in the instrument cluster stays on,the brakes have been checked and are fine.By pushing the menu button the light will go out,how do I correct this … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,142 satisfied customers
My 2003 sl500 is having problems with the horn in that when
hi. my 2003 sl500 is having problems with the horn in that when it is honked it does not go off unless I shut off the ignition. I picked up a horn relay but cannot figure out if it is the correct one … read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
1997 SL500 swicthblade key fob won't lock/unlock doors. The
1997 SL500 swicthblade key fob won't lock/unlock doors. The red led on the FOB lights, but the receivers don't respond...… read more
Marty
Marty
Mercedes Technician
Associate Degree
28,952 satisfied customers
The car will not unlock. 2004 sl500. Calling my husband ha
the car sat on a trickle charge for the summer but we have been driving it on the highway this week to fully charge the battery… read more
Marty
Marty
Mercedes Technician
Associate Degree
28,952 satisfied customers
I HAVE A 1997 SL500 THAT IS IMMACULATE. HOWEVER, AFTER
HOWEVER, AFTER HAVING A NEW BATTERY INSTALLED AND MAJOR CHECKUP ON ALL SYSTEMS WHICH TURNED OUT GREAT AT THE DEALER, AND LETTING THE VEHICLE SIT IN MY GARAGE FOR 4 MONTHS, IT WOULDN'T EVEN CRANK, SO I CHARGED THE BATTERY OVER A FEW DAYS WITH THE CHARGER: C TEC (SPELLING). BUT NOTHING BE SILENCE AND THE BATTERY CHECKS OUT STRONG. HAD THE STARTER CHECKED, AND IT IS FINE? SO NOT SURE THE SOURCE OF THE ISSUE. … read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
I have a 2005 sl500 that the door on the drivers side does
I have a 2005 sl500 that the door on the drivers side does not actuate when you push the key fab. The interior door looks works perfectly. … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,142 satisfied customers
I have an 03 SL500, and have a battery drain every morning.
I have an 03 SL500, and have a battery drain every morning. After driving for a bit the safe mode turns back off and everything work normally again. Im sure there is a short somewhere, but not sure wh… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,142 satisfied customers
2004 Sl500 repaced rear battery because red light said visit
2004 Sl500 repaced rear battery because red light said visit workshop. replaced battery light still red and on...… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,142 satisfied customers
2003 sl500 battery light is on red. rear battery checks
rear battery checks 14.35 volts. start battery checks 12.3 volts. … read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
4,099 satisfied customers
2003 sl500 after both battery change and re synchronize the
2003 sl500 after both battery change and re synchronize the trunk will fold back and flaps will not work passanger window … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,142 satisfied customers
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.

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.

Show MoreShow Less

Ask Your Question

x