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Related Mercedes Questions
I have a high pitched squealing noise upon cold start. Now
I have a high pitched squealing noise upon cold start. Now the check engine light just came on My husband replaced the alternator with a rebuilt one about 6 months ago I did notice a slight jumping wh… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
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2012 C300 whiny noise from the engine. Im suspecting the
2012 C300 whiny noise from the engine. Im suspecting the power steering or alternator. Im around 65k miles and have an extended 3rd party warranty. Any thoughts? … read more
Marty
Marty
Mercedes Technician
Associate Degree
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I bought a 1997 Mercedes-benz e420 3 months ago. Everything
I bought a 1997 Mercedes-benz e420 3 months ago. Everything was fine. About a month ago when I started the car it would crank for about 5 seconds and then it would start. I took it to my local mechani… read more
sprinkles08
sprinkles08
Technician
High School or GED
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I have a 2002 E320, 160000 miles. Just started making a gh
I have a 2002 E320, 160000 miles. Just started making a high pitched whirring noise as changing gears, then last night as I took off at traffic lights engine revved high and seemed to be stuck in firs… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
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C300: 2014 c300 4matic. 18K miles. i have a high pitch squeal/whistl
2014 c300 4matic. 18K miles. i have a high pitch squeal/whistle type sound at low speeds. sometimes there, sometimes not. sometimes when it's morning and newly driving, sometimes not. sometimes when i… read more
Billy
Billy
Bachelor's degree
3,457 satisfied customers
E-320: I own a 2003 E320 sedan with 127,000 miles. Runs great,
I own a 2003 E320 sedan with 127,000 miles. Runs great, but with "clatter" in the lifters, probably due to using mid-grade gasoline in 2010-2011. Have had the heads "washed" commercially 3 times with … read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
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ML350: 2007 Mercedes ML 250. 60,227K. Problem began 2 days
2007 Mercedes ML 250. 60,227K. Problem began 2 days ago. The temperatures in the early a.m. in Dallas, TX have been in the 40's /30's, but only the past few days. It has been in the 70's most of the p… read more
Mike Kelly
Mike Kelly
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Vocational, Technical or Trade Scho
2,509 satisfied customers
Mercedes Benz: I have a Mercedes E Class 320 CDI..way home..cools..KM
Good morning This is Mr John Agius from Malta , I have a Mercedes E Class 320 CDI and 4 years ago I had an accident with this car the hit was in the front , I took the car to the Mercedes garage for r… read more
Billy
Billy
Bachelor's degree
3,457 satisfied customers
Mercedes 250: plate) On the way home after buying this..raining..loud
Hi I have recently bought an A150 mercedes 45k on the clock.(55 plate) On the way home after buying this it was raining & it made a loud high pitch noise from the engine area which lasted for about 30… read more
Stan
Stan
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Bachelor's Degree
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1994 S320: idles..roughly..vibrates..her on the road, she levels
My 1994 S320 MBZ idles roughly and vibrates. When you get her on the road, she levels out and runs strongly. Has almost everything new, as I spent $7K two years ago on the car. Ran allright for about … read more
Auto Psychic
Auto Psychic
owner
Bachelor's Degree
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mercedes c220: tyres..rough..No vibration in steering wheel.The centre
i have mercedes c220 sport. When driving the car above 50+ mph a rumbling noise is coming from the rear of the car, it appears, similar to tyres on a rough road. The mechanic is unsure what the proble… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
33,453 satisfied customers
2003 Mercedes ML350: 85,000 miles..automatic transmission..warmed
I own a 2003 Mercedes ML350, bought new and serviced properly, now with 85,000 miles. Very recently, I am getting a transmission noise in first and second gear (automatic transmission) both upon accel… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,684 satisfied customers
1990 300e: Mercedes..the srs and abs..car started..stalled
I have a 1990 300e Gas series Mercedes. This morning while driving the srs and abs and a little light bolb sencer next to them came on. The car started running rough and eventually stalled and wouldn'… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
98 SLK230: Upon starting..the whole time Ive owned the car
I took my 98 SLK230 out of storage for the season today. Upon starting the car, the "ASR" light on the dash lit up. That's never lit up the whole time I've owned the car. Checked the manual, and it sa… read more
MasterTech Dave
MasterTech Dave
Technician
Vocational, Technical or Trade Scho
108 satisfied customers
1988 Mercedes: rust..indication..spin and the engine started right up
I'm looking to buy a 1988 Mercedes 560SL. The body appears to be in great condition, no rust, no indication of any body work, frame seems to be damage free. I took her for a spin and the engine starte… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
Mercedes: rpms..rebuilt..all new bearings put in alternator
Hi, I have a 320clk mercedes, when I start it up it makes a sound, but when it hits 800 rpms it stops. took to mechanic and a mercedes dealer, both said it was the alternator. I had it rebuilt, the gu… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
2003 E500: depressing..park or neutral -- no clicking
I have a 2003 E500. It has recently developed a "clicking" noise when depressing the accelerator only up to about 40MPH. Let up on the accelerator or press the accelerator while in park or neutral -- … read more
MBTim
MBTim
Master Technician
Vocational, Technical or Trade Scho
70 satisfied customers
1987 420SEL: 000 mi..somewhere..accelerate..My battery indicator light
I have a 1987 420SEL (177,000 mi) that suddenly began making a high pitched squeal from somewhere in the engine. The sound is pretty constant, though it varies in pitch and intensity as I accelerate/d… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 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

30,535 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou Palomino

Lou Palomino

Mercedes Technician

5,799 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

716 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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