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Related Mercedes Questions
It won't even attempt to turn over and throws codes p0300,
It won't even attempt to turn over and throws codes p0300, p0301, p0302, p0303, p0304, p0400, and p0410 … read more
Pete
Pete
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General auto certifications
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I have 2006 Mercedes Benz E350 62k. It's in great condition.
Hello, I have 2006 Mercedes Benz E350 62k. It's in great condition. However, after I've had it serviced this week I was told the car's engine light appeared. The mechanic did a diagnostic computer che… read more
Pete
Pete
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I have misfire on cylinder 3 and 4, I changed the 2 coils
I have misfire on cylinder 3 and 4, I changed the 2 coils and the 8 spark plugs and I still have the same error code … read more
Gunvir Singh
Gunvir Singh
1,949 satisfied customers
Have P0300, P0302, P0305 codes on 2007 C230. Car running
have P0300, P0302, P0305 codes on 2007 C230. Car running rough/CEL on so had diagnosis at local MB dealer. MB dealer said code P0301 current, and stored 301, 305, 303 Car had misfire codes so I change… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,124 satisfied customers
I have a 2009 Smart with 25,000 miles on it. The engine
I have a 2009 Smart with 25,000 miles on it. The engine light came on today and it started running roughly. I hooked it up to a code reader and it said P0011, P0300, P0301, P0302 and P0303. Is that an… read more
David Craig
David Craig
OWNER/MECHANIC
Associates
9,436 satisfied customers
My daughter has a 2005 C230 comprerssor mercedes. It runs
Good evening. My daughter has a 2005 C230 comprerssor mercedes. It runs terrible after you pounce on the accerlator. I have a OBD reader and PO303,PO301 came up. PO171 and PO170 are present also. The … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,124 satisfied customers
My check engine light is on. I've received codes P0300,
My check engine light is on. I've received codes P0300, P0301, P0302, P2180, P2178, and P0303. … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,124 satisfied customers
I have a 2007 Mercedes ml63 and has p0300 and all the
I have a 2007 Mercedes ml63 and has p0300 and all the cylinders misfiring, p0306, p0308, p0303 p0307 p0305 p0301… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,124 satisfied customers
Marty, I have the following trouble codes: P0115 P0130 P0135
Marty, I have the following trouble codes: P0115 P0130 P0135 P0400 P0300 P0301 P0302 P0303… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,124 satisfied customers
c300: 2010 c300 with 60000 miles set code p0300 p0301 p0302
2010 c300 with 60000 miles set code p0300 p0301 p0302 runs rough tried new coils new air flow meter no help shut car off reset code runs good for 6 mins goes misfire again smoke it thorgh the hose tha… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,685 satisfied customers
mercedes s430: spark plugs and fuel filter..runs rough..cylinders
i had a multiple misfire code on a 00 mercedes s430, p0300,p0301,p0303,p0304 and p0308. i replaced all 8 coil packs, spark plugs and fuel filter, but the car still runs rough and the same codes appear… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
Lights came..ASR and Check Engine..oil pressure..temperature gauge
I have a 98 SL 500. This afternoon three lights came on Oil, ASR and Check Engine. The engine had oil pressure but at the same time the engine temperature gauge flat failed to register. The transmissi… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
mercedes s600: p0301..p0302..p0303..and every once in a a while p0309.
hi i noticed you helped answer a misfire question previously on a mercedes s600. I have a 2002 s600 with misfire codes p300, p0301, p0302, p0303. and every once in a a while p0309. sometimes I will ge… read more
Anthony
Anthony
Master Automobile Technician
Vocational, Technical or Trade Scho
11,778 satisfied customers
ml320: My Check Engine light cam on for my 2001 mb..My mechanic
My Check Engine light cam on for my 2001 MB ML320 6cyl. 3.2L. My mechanic checked the codes with the OBD ad they read P0300,P0301,P0302 & P0303. He said that a couple of the ignition coils were burnt … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,124 satisfied customers
i am workin on a 99 ml320. multiple cylinders are misfiring
i am workin on a 99 ml320. multiple cylinders are misfiring after putting new o2 sensors in. this thing misfires so bad it shakes. started out reading that only cylinder 3 was misfiring, now 2 3 4 and… read more
Dodge expert
Dodge expert
ASE MASTER TECH, REPAIR FACILITY OWNER
High School or GED
3,636 satisfied customers
2000 S430: check engine light..obd codes..p0301..smooth
2000 S430 Has check engine light the obd codes were P0300 Random/Multiple Cylinder Misfire Detected P0301 Cylinder 1 Misfire P0302 Cylinder 2 P0303 Cylinder 3 Misfire P0304 Cylinder 4 Misfire P0305 Cy… read more
MBANDY
MBANDY
Master Certified Mercedes Benz Tech
Associate Degree
66 satisfied customers
Mercedes C320: an inspection sticker (I live in MA)..emissions test
Hi - I have a 01 Mercedes C320. Recently it was rejected for an inspection sticker (I live in MA). The cause of rejection was b/c it failed emissions test. These are the codes that the On-Board Diag. … read more
Your Auto Inspector
Your Auto Inspector
Assistant Service Manager
In course of study for bachelor's d
847 satisfied customers
Mile..the highway and drove 3 miles at 40-50mph on on city steets
2002 C-240, Just drove 388 mile in 2 sessions today. The car just stopped after I got off the highway and drove 3 miles at 40-50mph on on city steets. It felt light no gas was going to the engine. I i… read more
Clayso
Clayso
Lead Technician
ASE Master Technician 1999
274 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

57,124 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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