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I have a MB C300. We just had our car detailed. Since then
I have a MB C300. We just had our car detailed. Since then the hood open warning light stays on even though we securely shut the hood. Looked for hood sensor but cannot find pictures to show exactly w… read more
Vatche Najarian
Vatche Najarian
Service Technician
Diploma
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2011c300.trunk pops open automatically.If you shut it there
2011c300.trunk pops open automatically.If you shut it there is a slight delay and itpops open again. … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
An intermittent whine upon some startups. So far my online
an intermittent whine upon some startups. So far my online research is saying the secondary air pump. it used to whine. now it sounds like bearings going bad … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Weird clicking noise coming from the center console. Sounds
weird clicking noise coming from the center console. Sounds like maybe a loose bearing. 2008 C300 sport (not 4matic) … read more
sprinkles08
sprinkles08
Technician
High School or GED
18,148 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
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Bachelor's Degree
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Wipers are not working. Where is the fuse? There is one
There is one under the hood left against the firewall. Other one in the trunk right side. … read more
Gunvir Singh
Gunvir Singh
1,949 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
18,148 satisfied customers
I have a 2004 E320. Last night after a drive, when I shut
I have a 2004 E320. Last night after a drive, when I shut the car off I noticed a whining noise, combined with what sounds like a fan. But under the hood, I see nothing moving/running. It is not a sub… read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
6,147 satisfied customers
Mercedes C300: I have 2011 Mercedes C300. The blower-fan stopped
I have 2011 Mercedes C300. The blower-fan stopped working in the middle of my drive home. Temperature was -20C and I did see a warning about low coolant when I first started the car (not sure if they'… read more
sprinkles08
sprinkles08
Technician
High School or GED
18,148 satisfied customers
Mercedes Benz C300 Sport: 2011 mb c300 left front corner light
2011 mb c300 left front corner light blinks when lights are on. Hear clicking noise from power disturbition box, like a relay, but can't determine which one or if it is in fact a part of the blinking.… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
Mercedes-Benz C300 Luxury: I have a 2009 C300 and the rear
I have a 2009 C300 and the rear lights have come on and will not go off, draining the battery. This happened once before (6 months ago) and a Mercedes mechanic walked me through a reset process of som… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 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
2008 mercedes benz c300 4matic sport: highway..My motor..smoke..hood
I own a 2008 mercedez benz c300 4matic sport. While driving on the highway, i recently ran into a problem. My motor exploded causing a lot of smoke to come out from the exhaust pipe and the hood. Per … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
mercedes: alarm..disconnected..car battery for 5mins..reconnected
I own a 2004 C180K mercedes. A few weeks ago alarm siren and lights kept going off. A neighbour came and disconnected the car battery for 5mins and then reconnected it - all was ok for a short while. … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
1992 300e: engine temperature..stop working..humming noise..blinker
I am Jerry in Friendswood Tx. I have a 1992 300E 2.6L Mercedes... the internal dashbord left gage that monitors the gas hand, the engine temperature, and the oil amount just stop working doesn and you… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
2006 ML350: hard shifting..road..valve body and pump..under warranty
I have a 2006 ML350 that the transmission began whining and hard shifting shortly after using the off road capabilities. Mercedes benz relpaced the valve body and pump however the whining is still the… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
2008 c300 Sport: matic..48 mph while coasting in drive..transfer case
I have a 2008 c300 Sport 4-matic that has a "whine" at 43-48 mph while coasting in drive. When a load is put on it (on the gas) the whine stops. The whine sounds like it coming from the transmission o… read more
MBANDY
MBANDY
Master Certified Mercedes Benz Tech
Associate Degree
66 satisfied customers
my break light does not work after I pressed the brake even ...
my break light does not work after I pressed the brake even though my tail light is on..I also have this problem: the coolant temperature,fuel,and oil presure gauges stop working ........are both prob… read more
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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

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.

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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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