Mercedes

Have Mercedes Questions? Ask a Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Mercedes

ML350: , I'm trying to replace the belt on a 2011 Mercedes

Customer Question
Hi, I'm trying to replace...
Hi, I'm trying to replace the belt on a 2011 Mercedes ML350. The belt is actually the same belt that was on the car before, it just slid off due to an oil leak. I know the belt is correct. I've got the tensioner loosened but I still don't have enough slack to put the belt over the pullies. Do you have a routing diagram for this model or any suggestions?
Submitted: 2 years ago.Category: Mercedes
Show More
Show Less
Ask Your Own Mercedes Question
Answered in 15 minutes by:
5/28/2015
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
Lou P. master tech
Lou P. master tech, Mercedes Technician
Category: Mercedes
Satisfied Customers: 5,083
Experience: 15 years master certified 100% fix rate and have access to factory radio codes, wiring, and instructions.
Verified
Hello my name is ***** ***** i will do my best to help you , i strive for EXCELLENT service and nothing less.i am getting you the diagram now.
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
Ok thank you
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
here you go, hope this helps, Lou.Please take a second and click the box and rate my service GOOD OR EXCELLENT SERVICE if you feel I have been helpful and please request me in the future. If you feel I havenot been helpful please DO NOT RATE BAD OR POOR AND WASTE YOUR MONEY , I will opt out to see if another expert can provide more or better assistance so you're not wasting yourmoney!!. Thanks for choosing just answer. Lou. also , if you feel i deserve one , BONUSES are GREATLY APPRECIATED ! 😉
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
That kind of helps, but that's exactly how I've got the belt routed and I don't have enough slack to get it on
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
ok, make sure that none of the ribs are on the edges of the pulleys
Ask Your Own Mercedes Question
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
is this a new belt??
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
All cleanly aligned... no the belt slid off because of a slight oil leak out of the oil filter housing. The belt is in perfect condition. I'm not sure what I'm missing
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
im not either cause these belts are pretty forgiving, the last pulley you should put the belt on should be the tensioner if i remember how i did them
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
Ugh jeez ok, I hoped you might have some magical solution. I'll just start from step one again.
Customer reply replied 2 years ago
Thanks Lou
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
and you are using a 17mm socket or a t60 torx bit in the tensioner? they used both designs,
Ask Your Own Mercedes Question
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
well hold on lol, i may have the magical answer, i know this process is slow but im good at these things
Ask Your Own Mercedes Question
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
there is a hole in the back of the tensioner and a hook thingy on the part that adjusts, you can flex the tensionor enough to put a allen key or a dowl pin inside to lock the tensioner in place.
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
Ha ok... I'm using a 17mm socket. The tensioner turns easily and everything is lined up. I've actually changed a ton of belts, just never on a Mercedes
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
ok, the ac and bottom of crank and bottom of alternator can be tricky, so make sure you are on those perfectly
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
ok. I double checked everything again. Belt is lined up everywhere, no twists in it.
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
how close is it to the tensioner pulley? is it nowhere near the pulley or just a mm from the pulley?
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
Half an inch or so
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
ok that is way off. try to put the belt on the tensioner and take it off the top pulley, and try to put it on the top pulley last.
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
ok.
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
also the top of the power steering pump just under the reservoir is where the belt also catches on the edge of the pulley and takes up slack,
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
Ok. I just tried the top pulley, still not even ballpark
Customer reply replied 2 years ago
I guess I can take the belt to the car parts store and measure it against a new belt... I really don't know what else to do here. Replace the tensioner?
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
is the tensioner bottoming out when you try to move it? if not try from a different angle, im really trying to visualize what could be happening over there\
Ask Your Own Mercedes Question
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
if that belt came off then it should go on, no issues, where was the oil leak?
Ask Your Own Mercedes Question
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
and aftermarket belts are never good, they are always smaller for some reason.
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
Yeah it bottoms out. I have a pin in it since i'm working alone, but it's basically bottomed out. There was a slight crack in the upper O-ring. Over time enough oil seeped onto the belt tensioner to cause the slippage needed for the belt to slide off.
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
ok, so if the tensioner is locked then the belt for sure should just slide on .
Ask Your Own Mercedes Question
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
ok wait, if the tensioner is locked make sure the belt is not cathing on whatever it is you are using to lock the tensioner into place i used a metal dowel pin and would ofter loop the belt over the pin on accident and would get me everytime.
Ask Your Own Mercedes Question
Customer reply replied 2 years ago
It's not catching
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
ok, im sure your frustrated with the belt and me asking you these questions lol. please forgive me
Ask Your Own Mercedes Question
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
could you take a second to hold the belt as tight as you could and also take a video of the belt and pulleys so i can see what you got going on there? or we can facetime via iphone? or text videos? ill send a offer over if your interested in that, let me know. im trying to help lol
Ask Your Own Mercedes Question
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
Did you get it ?
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: 5,083
5,083 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

28,773 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

Mercedes Technician

5,083 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

591 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

443 satisfied customers

Work and diagnose electronics on daily basis.

< Previous | Next >

Related Mercedes Questions
The blue wire in the back of the alternator has no power
the blue wire in the back of the alternator has no power when the key in switched on,after replacing the battery in 2003 benz s430 4matic so the alternator is not chargong … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,083 satisfied customers
I burn the alternator fuse. Its reading 12 volts. C230
i made a rookie mistake b4 i took of the old alternator i got a spark when taking of battery cable… read more
Matt
Matt
Engineer
Bachelor's Degree
591 satisfied customers
2003 ML350. Replaced alternator and battery. Now car starts
2003 ML350. Replaced alternator and battery. Now car starts but stalls and can't be driven. I've read that it might be a key recognition problem. What are my options. I don't have another key now. Tha… read more
Marty
Marty
Mercedes Technician
Associate Degree
28,773 satisfied customers
I changed both batteries and alternator and when I start
I changed both batteries and alternator and when I start car, it will not shift out of gear, radiator fan does not work, right headlight will not come on, and the code : "reduced braking power" shows.… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,083 satisfied customers
1987 300SDL alternator (original) bearing was making very
1987 300SDL alternator (original) bearing was making very loud noises. I replaced it with a new one (not reman) and fully charged the battery before driving. 30 minutes into the drive, most dash light… read more
Marty
Marty
Mercedes Technician
Associate Degree
28,773 satisfied customers
I have a 1998 mercedes sl600...I was having the alternator
I have a 1998 mercedes sl600...I was having the alternator and serpentine belt replaced. As soon as the parts were installed..the car was started and it started sagging from the front suspension...it … read more
Eurocar Inc
Eurocar Inc
Master Audi/VW Tech
Associate Degree
1,773 satisfied customers
Lou my alternator has label some numbers and it says"
Lou my alternator has label some numbers and it says " Remanufactured" does that means that its not original alternator from the factory?… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,083 satisfied customers
I had my alternator replaced and now need my radio code for
I had my alternator replaced and now need my radio code for my MB c-230 Kompressor, year 2000. Vin is WDBHA24G2YA849442. … read more
Eurocar Inc
Eurocar Inc
Master Audi/VW Tech
Associate Degree
1,773 satisfied customers
I am having a problem with either my battery or alternator.
I am having a problem with either my battery or alternator. 2005 Mercedes e320 base model gas. … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,083 satisfied customers
Just installed a new alternator in my 87 420SEL and the AC
Just installed a new alternator in my 87 420SEL and the AC system wouldn't kick on and now the battery & ABS lights stay on. The car is getting charge as we have not had to jump start it … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,083 satisfied customers
A warning light just came on that said "Alternative battery
A warning light just came on that said "Alternative battery malfunction". … read more
Eurocar Inc
Eurocar Inc
Master Audi/VW Tech
Associate Degree
1,773 satisfied customers
I have the same problem that alternator. System not
I have the same problem that alternator. System not charging. The small lead into the alternator only reads 5-6 volts. The fix was to replace the x4/10 fuse block. I want to know where that is located… read more
Eurocar Inc
Eurocar Inc
Master Audi/VW Tech
Associate Degree
1,773 satisfied customers
My alternator is not charging the battery although the
My alternator is not charging the battery although the alternator is test that it is good. … read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
Got water i think in alternator while cleaning battery light
got water i think in alternator while cleaning battery light on also gauges don't work and turn signals as well … read more
Shawn Few
Shawn Few
AS
65 satisfied customers
03 clk320 will turn over but not fire, Alternator, battery,
Alternator, battery, and crank sensor already replaced … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,083 satisfied customers
Malfunction light on Battery/alternator visit work shop and
Malfunction light on Battery/alternator visit work shop and also Under Voltage Switch consumer off… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
5,083 satisfied customers
The alternator was replaced and it look that the regulator
The alternator was replaced and it look that the regulator conector cable burned … read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
I am getting a alternator warning, I replaced the alternator
I replaced the alternator and still get the warning … read more
Marty
Marty
Mercedes Technician
Associate Degree
28,773 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