Mercedes

Have Mercedes Questions? Ask a Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Mercedes
This answer was rated:

No crank. 2009 cl550. Starter was seized when relay bypassed

no crank JA: What is the...
no crank
JA: What is the model/year of your Mercedes?
Customer: 2009 cl550
JA: Are you fixing your CL550 yourself? What have you tried so far?
Customer: starter was seized when relay bypassed is starts fine
JA: How many miles are on the car? Has the car been starting normally?
Customer: 125000km
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Show More
Show Less
Ask Your Own Mercedes Question
Answered in 4 hours by:
11/17/2017
Wolfgang
Wolfgang, Mercedes Technician
Category: Mercedes
Satisfied Customers: 4,798
Experience: master tech benz ase cerified L1 and L2
Verified
Hello I’m Wolfgang. I do need a vin # to get the factory info to assist.
Which relay was bypassed? How did you bypass please be very descriptive of where and how. Thanks
Ask Your Own Mercedes Question
Customer reply replied 30 days ago
Wddej86x29a022620, starter was replaced at another shop still no crank fuse 20 inspected good and replaced regardless, relay H in front Underwood was bypassed and vehicle starts no signal to relay to allow crank.
Thanks for the info let me get the information and will get back ASAP with some checks to do You will need a digital volt meter. Thanks
Ask Your Own Mercedes Question
Customer reply replied 29 days ago
Any luck yet

sorry my son had surgery!! is fuse 21 blown?

Ask Your Own Mercedes Question
Customer reply replied 29 days ago
Location?

front sam f21

Ask Your Own Mercedes Question
Customer reply replied 29 days ago
15 amp?
Customer reply replied 29 days ago
Fuse 20 or 21 fuse 20 is in front of the battery correct? 20amp
Customer reply replied 29 days ago
Fuse good

do you have 12 volts both sides of the fuse key on?

Ask Your Own Mercedes Question

do you have scan tool?

Ask Your Own Mercedes Question

make and model of scan tool you have please.

Ask Your Own Mercedes Question
Customer reply replied 29 days ago
I have xentry but I have no wiring diagrams
Customer reply replied 29 days ago
Only fault is central gateway module failure need to know if signal from EIS passes through CGW
Customer reply replied 29 days ago
My suspicions are the vehicle was boosted incorrectly only fuse blown third 15amp fuse on left side from the bottom which I have no idea what it’s for

check the prefuse box !!!

Ask Your Own Mercedes Question
Customer reply replied 29 days ago
Location? Everything thing else works
Customer reply replied 29 days ago
If prefuse box was issue I shouldn’t have Power at fuse 21

checked and EIS TO CGW TO FRONT SAM TO STARTER..

WHAT # IS THE FUSE THAT BLEW?

Ask Your Own Mercedes Question
Customer reply replied 29 days ago
Car not in front of me at present but picture forwarded from you to me first 15 amp from the bottom on left hand side can’t make out the number

having trouble with that fuse !!! still looking !!

Ask Your Own Mercedes Question
Customer reply replied 29 days ago
No worries for tonight I’m sorry you’ve got lots on your plate with your family if I may touch base with you in the mid morning?
Customer reply replied 29 days ago
Thanks so much for your help

sure my pleasure

Ask Your Own Mercedes Question
Customer reply replied 29 days ago
Great thanks again

hey just got back in !! kid doing much better!! any new info or updates?

Ask Your Own Mercedes Question
Customer reply replied 27 days ago
No ground signal at me module pin31 to activate relay and thoughts
Customer reply replied 27 days ago
Constant power at pin 31
Customer reply replied 27 days ago
if I ground circuit at pin 31 starts no problem

ok did you scan the vehicle for codes . need to check cgw, me, front sam , rear sam module . preferred to total car scan . if me is not taking care of the signal most likely a fault code is stored!!

Ask Your Own Mercedes Question
Customer reply replied 27 days ago
Only code is cgw failure

in what module . can you show a pic of scan tool or print out?

thanks

Ask Your Own Mercedes Question

cgw needs to be replaced then scn coding and possible reprogramming may be needed at MB dealer .

Ask Your Own Mercedes Question
Customer reply replied 26 days ago
Problem was electric shifter lost its location program all good now

ok

Wolfgang
Wolfgang, Mercedes Technician
Category: Mercedes
Satisfied Customers: 4,798
Experience: master tech benz ase cerified L1 and L2
Verified
Wolfgang and 87 other Mercedes Specialists are ready to help you
Ask your own question now
Ask Wolfgang Your Own Question
Wolfgang
Wolfgang
Wolfgang, Mercedes Technician
Category: Mercedes
Satisfied Customers: 4,798
4,798 Satisfied Customers
Experience: master tech benz ase cerified L1 and L2

Wolfgang 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

3,708 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
Tried to replace auxiliary battery on 2010 E550 4matic and
Tried to replace auxiliary battery on 2010 E550 4matic and did not find the battery behind the light switch on left side of panel. There is a bracket for a battery but no battery in it. Where else mig… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,708 satisfied customers
After disconnection the battery, my radio/audio system is
after disconnection the battery, my radio/audio system is asking for a 5 digit security code to activate it … read more
Stephen, MBA
Stephen, MBA
Master's Degree
166 satisfied customers
The battery is draining. And the alarm is going off by
The battery is draining. And the alarm is going off by itself. Like the lights atleast. I think my siren no longer works. I do not hear it. … read more
Matt
Matt
Engineer
Bachelor's Degree
598 satisfied customers
No dash lights. 2013 glitch 350. Disconnected the battery
Disconnected the battery and checked all fuses in the fuse box … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,708 satisfied customers
Battery was drained, placed a slow charge on it over night.
Battery was drained, placed a slow charge on it over night. Fully charged now, starts and runs fine but the entire instrument cluster is dead. What is wrong??? … read more
Marty
Marty
Mercedes Technician
Associate Degree
28,952 satisfied customers
I changed the battery in a 2010 e550, and now the instrument
i changed the battery in a 2010 e550, and now the instrument cluster doesn't work … read more
Marty
Marty
Mercedes Technician
Associate Degree
28,952 satisfied customers
Marty, Replaced the fuel filter and the battery in my 2012
Marty,Replaced the fuel filter and the battery in my 2012 cl 550 and my car was parked about 2 weeks. It runs fine but this message comes up on the instrument panel. The car shifts into P N or D and m… read more
Marty
Marty
Mercedes Technician
Associate Degree
28,952 satisfied customers
2003 mercedes e320 Serious battery drain pulled the
2003 mercedes e320 Serious battery drain pulled the following codes with Xentry Scanner9091 9040 9070also #34 fuse has constant draw (we replaced drivers side DCM) and still have draw Any ideas?… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,708 satisfied customers
Key will not turn. Car battery and key battery tested and
Key will not turn. Car battery and key battery tested and good. … read more
Marty
Marty
Mercedes Technician
Associate Degree
28,952 satisfied customers
Battery dead can't unlock it. Can't get to the battery as
Battery dead can't unlock it JA: Did you test the battery with a voltmeter? And have you ever changed one before? Customer: Can't get to the battery as the car is locked JA: What is the model/year of … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,708 satisfied customers
2003 Mercedes E320 Serious battery drain. Battery is
2003 Mercedes E320 Serious battery drain. Battery is draining within in hours after being fully charged.… read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
4,135 satisfied customers
Car wont start but the Aux. battery malfunction is on in
Car wont start but the Aux. battery malfunction is on in display. I had the battery checked and its good … read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
I just replaced the battery for my 2003 e500, but my battery
Hi, I just replaced the battery for my 2003 e500, but my battery seems to be draining overnight. … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,708 satisfied customers
Battery location on my C300 2014 auxiliary battery. I I
battery location on my C300 2014 auxiliary battery … read more
Wolfgang
Wolfgang
Mercedes Technician
4,798 satisfied customers
Dead battery. Unable to open trunk to get to the battery for
Dead battery. Unable to open trunk to get to the battery for jump start … read more
Matt
Matt
Engineer
Bachelor's Degree
598 satisfied customers
Two things, my battery was dead, I replaced the ba battery
Two things, my battery was dead, I replaced the ba battery and now the radio won't work I have tried the reset where are you disconnect the cables for a half hour we connect then put the windows up bu… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,708 satisfied customers
I want to change a bad battery. I can install the battery
I want to change a bad battery. I can install the battery myself. Are there any issues or codes that I need to consider. I am thinking about purchasing a replacement battery from I have. 2010 merceds … read more
kalamykid
kalamykid
Pactor automotive
Vocational, Technical or Trade Scho
97 satisfied customers
My cars battery was jump started, then replaced battery,
My cars battery was jump started JA: Will the headlights turn on? Is the battery fully charged? Customer: then replaced battery JA: What is the model/year of your Mercedes? Customer: 2005 ml 350 speci… read more
Marty
Marty
Mercedes Technician
Associate Degree
28,952 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