Mercedes

Have Mercedes questions? Ask a mechanic for answers ASAP

Ask an Expert,
Get an Answer ASAP!

I HAVE A 2012 GLK. AT START UP THERE IS EXCESSIVE ENGINE…

Customer Question
I HAVE A 2012...

I HAVE A 2012 GLK . AT START UP THERE IS EXCESSIVE ENGINE NOISE . iT GOES AWAY AFTER 3 OR 4 SECONDS. IF I RESTART THE ENGINE THERE IS NO NOISE. IT SOUNDS LIKE THE CHAIN TENSIONER IS BLEEDING OFF. IS THIS POSSIBLE? IF SO, CAN THE TENSIONER BE REPLACED WITHOUT CHANGING ALL THE OTHER COMPONENTS?

Mechanic's Assistant: How many miles are on the car? Is it an automatic or a manual transmission?

44000 MILES

Mechanic's Assistant: What is the make/model of your car?

2012 MERCEDES GLK 350

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

I`D LIKE TO. i HAVE NOT ATTEMPTED ANYTHING YET

Submitted: 11 months ago.Category: Mercedes
Show More
Show Less
Ask Your Own Mercedes Question
Answered in 8 minutes by:
9/11/2017
Mercedes Mechanic: Gunvir Singh,
 replied 11 months ago
Gunvir Singh
Category: Mercedes
Satisfied Customers: 2,013
Experience: Master Tech at Kennesaw Auto Tech
Verified

Hello, let me review your request. Please stand by.

Ask Your Own Mercedes Question
Mercedes Mechanic: Gunvir Singh,
 replied 11 months ago

How long does it have to sit before it gives you that noise at startup?

Ask Your Own Mercedes Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a mercedes mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask MB Paul Your Own Question
MB Paul
MB Paul
MB Paul, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3,567
3,567 Satisfied Customers
Experience: Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

MB Paul 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

29,460 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.

< Previous | Next >

Related Mercedes Questions
I have a 2014 Mercedes GLK 350. It makes a squealing whining
I have a 2014 Mercedes GLK 350. It makes a squealing whining sound when you turn the car on . The noise decreases when I hit the gas but it's still very loud. My husband thought it was an ideal pulley… read more
Wolfgang
Wolfgang
11 satisfied customers
MY BOYS AND I LEFT THE MOVIE THEATER LAST NIGHT AROUND
HEY IM ANNA AND MY BOYS AND I LEFT THE MOVIE THEATER LAST NIGHT AROUND 7:30PM, AND WHEN I WENT TO START THE CAR, IT WOULD NOT START, THE LOCKS WORKED, THE RADIO, WOULD COME ON, ALL FUNCTIONS ACCEPT FO… read more
Gary
Gary
Senior Technician
Vocational, Technical or Trade School
101 satisfied customers
I have a 2012 Mercedes GL350 Bluetec with 90,000 miles. An
I have a 2012 Mercedes GL350 Bluetec with 90,000 miles. An engine noise appeared out of nowhere after the second startup of one day earlier this year. It was diagnosed as the timing chain problem and … read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
My 2012 ML 350 has a loud annoying noise upon start for
my 2012 ML 350 has a loud annoying noise upon start for 3/4/5 seconds. The explanations I have seen are"its just something they do...it doesn't affect engine life"to"timing chain" issues.Whats the tru… read more
Kevin
Kevin
workshop foreman /master tech/mot tester
1 satisfied customers
Mercedes Benz sprinter 2013 60,000 miles rattle from engine
Mercedes Benz sprinter 2013 60,000 miles rattle from engine on start up last 10 seconds then goes away I believe it's timing chain tensioner?… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
I have a 2012 MB c250 with 53K miles on it, I got an error
I got an error code of P034062... Changed the Timimng sensor but the error is still on... it is also having a rough start … read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
I have a 2010 E350 Benz (not 4matic) which I bought new. It
I have a 2010 E350 Benz (not 4matic) which I bought new. It was fine when it was new. In the last half year, it started to make loud noise (seemingly to be engine noise) after starting, esp when I try… read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
5,571 satisfied customers
400e: Mercedes 400e makes loud metallic noise for 20 sec in
Mercedes 400e makes loud metallic noise for 20 sec in the morning. I assume the oil was not in the right place in the morning. Can I service the oil pump?… read more
Cory
Cory
Charter Business
High School or GED
136 satisfied customers
Stan, I have a 2012 Mercedes GL 350 with the 3.0 diesel
Stan, I have a 2012 Mercedes GL 350 with the 3.0 diesel which recently began to have tapper noise at startup. Say 2 seconds. Always used synthetic oil and have about 60,000 highway miles. Mercedes has… read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
e350: mercedes 2012 e 350 makes whining noise at morning start
mercedes 2012 e 350 makes whining noise at morning start after a minute it goes away is it safe to go on a 600 mile trip… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Mercedes-Benz C350 Sport: I have a 08 c350 mercedes, and I
I have a 08 c350 mercedes, and I bought it used with 67, 000 miles. My question is about a rattling noise at initial start up, and goes away as soon as the oil pressure builds, it seems. It doesnt sou… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
C200 CGI: The car is a 2010 Mercedes C200CGI VIN WDDGF45W8A370640 When
The car is a 2010 Mercedes C200CGI VIN WDDGF45W8A370640 When start engine we car hear a wierd noise for few seconds, like chain tensioner with problems. When cold start engine takes a few more seconds… read more
Stan
Stan
Technical support engineer
Bachelor\u0027s Degree
106 satisfied customers
Mercedes-Benz C320: i recently purchased a 2002 mercedes benz
i recently purchased a 2002 mercedes benz c320 with 85000 miles. When I start the car sometimes I will briefly hear a "knocking" sound at the very first of the start up. Should I be concerned or is th… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
2012 glk350: drove..20 miles with parking brake..vibration
Hi I just got a brand new 2012 glk 350 and drove 20 miles with parking brake on approx 55 mph. There was a burning smell when I got home. I took the car back out and no vibration or smell. What are th… read more
Stephen D
Stephen D
607 satisfied customers
2002 c230 kompressor: hood is open, and it is intermittent..compressor
2002 c230 kompressor 2D coupe: there is a rattling noise that sounds like it is coming from the front of the engine compartment (near the belts, or front of super charger); it can only be heard when t… read more
Stephen D
Stephen D
607 satisfied customers
2008 Mercedes Benz E350: goes away..its parked..diesel engine
My 2008 Mercedes Benz E350. When I start it it has a knocking sound than goes away after a few seconds and even when hot after it's parked for 2 to 3 hours it knock or sounds like a diesel engine for … read more
vwnewton
vwnewton
ASE master with L1, Euro Tech
A.S.E. L1 Master and more
580 satisfied customers
R350: mb..driving home..I restarted the car..few seconds and went away
I bought a certified pre-owned 2008 MB R350 4 matic. After driving home for about 80 miles or so when I restarted the car it made RRRRRRR noise for a few seconds and went away. It happend again a few … read more
Nelson Garcia
Nelson Garcia
Vocational, Technical or Trade Scho
1,092 satisfied customers
1983 Mercedes: SL...recently started to make a rattling sound..starter
I have a 1983 Mercedes 380 SL. It has recently started to make a rattling sound when I try to start the engine. Kind of sounds like the starter but that has been checked and is not the problem. The me… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 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