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I own a 2010 Mercedes C300 4-MATIC sport. It has 73,000
I own a 2010 Mercedes C300 4-MATIC sport. It has 73,000 miles on it. I've been hearing a drilling/whining sound (like a RC car) while driving it for the last few weeks. I hear it when the windows are … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Whining noise when i accelerate. gets louder the faster I
whining noise when i accelerate. gets louder the faster I go. Its coming from the front of the car. 2011 c300 4matic 80k … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,528 satisfied customers
I need to replace my front drive shaft i have it unbolted
i need to replace my front drive shaft i have it unbolted but how do i get it out its a 2008 c300 4matic … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
2010 Mercedes C class AWD (155k), grinding noise coming from
2010 Mercedes C class AWD (155k), grinding noise coming from front transfer case area, near driver's side wheel. Shop diagnosed as possible broken or sheared front axel, inside transfer case. Ordered … read more
sprinkles08
sprinkles08
Technician
High School or GED
18,057 satisfied customers
I have a 2010 e350 4matic sedan with 75k miles. The dealer
I have a 2010 e350 4matic sedan with 75k miles. The dealer advises it's the transfer case. The problem is that itRuns well but has a high pitched sound… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
ML500 4 matic: ! I have a ML500 4 matic year 2006 vin . WDC1641752A053373
Hi! I have a ML500 4 matic year 2006 vin . WDC1641752A053373 i want to set the transfer case in zero mode to allow the rear wheel work only. where is the location of the 4matic control unit and which … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,528 satisfied customers
ML-350 4MATIC: Hi. I have a 2010 ML350 4MATIC. Suddenly, the
Hi. I have a 2010 ML350 4MATIC. Suddenly, the tailgate doesn't open, neither with the Smartkey nor with the button on the inside of the driver's door. When I try to open it, I hear the motor humming f… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,564 satisfied customers
ML 350: Hello, I have a mercedes ML350 2007 4Matic and i
Hello, I have a mercedes ML350 2007 4Matic and i have the following problems that started 1 week ago: 1. The horn gets stuck by itself without even touching it and randomly. 2. Many times during traff… read more
sprinkles08
sprinkles08
Technician
High School or GED
18,057 satisfied customers
c300 sport: Hearing a whine from my 2010 mercedes c300 sport
Hearing a whine from my 2010 mercedes c300 sport with just under 50k miles on it. Forums online have said it could be a floor pedal, shifter linkage rod, but I wanted to make sure it's not a transmiss… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
2004 E500 4matic: reversing out of my driveway..clunking sound
I own a 2004 E500 4matic with 51K. Whenever I am reversing out of my driveway I hear what sounds like a wheel rubbing or sort of a clunking sound. I am told that it is the 4matic system making that so… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,889 satisfied customers
Mercedes-Benz ML320: ML320 1999 - Rear differential was empty
ML320 1999 - Rear differential was empty - no leaking - just gone. Transfer case was also low - Local Mech filled them. Has a whine in passanger area between 2nd and 3rd shift - loudest. Local mechani… read more
Billy
Billy
Bachelor's degree
3,457 satisfied customers
1990 300E 4matic: 4 wheel drive is not engaging..rear wheels slip
Hello again. I have the 1990 300E 4matic. The 4matic light is on and it appears that theXXXXXis not engaging when the rear wheels slip. I checked the switch under the hood and it is in the on position… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
2010 CL550 4matic: rear wheel would be 8mm larger in daimeter
I have a 2010 CL550 4matic with 255/40/19 on all 4 wheels. Can I use staggered wheels (255/40/19 front; 275/40/19 rear). The rear wheel would be 8mm larger in daimeter than the front.… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,889 satisfied customers
Vibrate..4Matic..I think there is a problem with the transfer case
I am hearing a lot of noise when turning. The car is also starting to vibrate at times while driving. It is a 4Matic and I think there is a problem with the transfer case.… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,889 satisfied customers
2006 e350 4matic: burring/rubbing/whining noise coming..bearing..tire
I have a 2006 e350 4matic and there is a burring/rubbing/whining noise coming from the front left wheel. Could it be a bearing, the tire or something more serious ?… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1992 300te 4matic: transfer case..mercedes when the car..000 miles
I have a 1992 300 te 4matic. The transfer case was repaired by mercedes when the car had 54,000 miles on it. I bought the car 5 years ago when it had 59,000 miles on it. It now has 136,000 miles on it… read more
Nelson Garcia
Nelson Garcia
Vocational, Technical or Trade Scho
1,094 satisfied customers
2005 Mercedes: vibration..low speeds like backing out of garage..AWD
Has a low groan/vibration when turning at low speeds like backing out of garage. 2005 Mercedes E 500 AWD wagon… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,889 satisfied customers
93 300TE 4matic: the 4matic system and was hoping that you..140k miles
Hi there. You seem to know your stuff relative to the 4matic system and was hoping that you can answer a question for me. I am looking at a 93 300TE 4matic with 140k miles. It is at a Jaguar dealer an… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 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

29,460 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

Mercedes Technician

6,528 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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