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I'm Jorge I 'm a recent ouner of a mercedes benz 190E 1.8 from 199
Hi, I'm Jorge I 'm a recent ouner of a mercedes benz 190E 1.8 from 1992 with about 160000kms. With cruise at 120km/h it consume around 10L/100km. Everything seems to be ok but at that speed it must be… read more
Billy
Billy
Bachelor's degree
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hello, on a 1989 560 sl the sparks continuusly get fouled with carbon. 76000 miles spark
hello, on a 1989 560 sl the sparks continuusly get fouled with carbon. 76000 miles sparks, cables, distributor cap, rotor arm, ignition coil, ezl renewed. fuel injectors and seals renewed, idle system… read more
Marty
Marty
Mercedes Technician
Associate Degree
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280 se: My 1972 Mercedes with 4.5 v8 runs perfect until engine
My 1972 Mercedes with 4.5 v8 runs perfect until engine gets over 185 degrees. Then it runs rough especially at idle and starts to smoke from exhaust. I have to feather the throttle pedal when taking o… read more
Marty
Marty
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Associate Degree
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W107: My mercedes w107 1971 350sl is coughing and sputtering
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Marty
Marty
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Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes: 1987 560 SL Runs good cold..air flow..assembly
1987 560 SL Runs good cold and as it warm's up Lean's out and wont accellrate EHA valve Does not have osilating current but does have 4.5 ohm's resistance the K-Jetronic unit has been replaced along w… read more
Marty
Marty
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Associate Degree
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HOW TO ADJUST IDLE FUEL MIXTURE FOR THE 1987 560..FUEL SMELL
i AM STILL WAITING FOR AN ANSWER ON HOW TO ADJUST IDLE FUEL MIXTURE FOR THE 1987 560 SL. I SUBMITTED THIS QUESTION LAST WEEK. ISSUE IS HEAVY FUEL SMELL AT IDLE. ACCELERATION TIP-OFF LEAVES BLUE FUEL C… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Injectors, plugs, wires, rotor & cap..Runs great..catalytic
same 1987 560. changed injectors, plugs, wires, rotor & cap. Runs great, good power, but has an excessive fuel smell (catalytic working hard). how is the idle mixture controlled?… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1986 SL 560 that wont cold start..gas pedal..new plugs..air filter
Have a 1986 SL 560 that won't cold start initially, but after a few tries will start, idle high, come down, and die once gas pedal is pressed in park. Once car is put into gear, it drives fine, unless… read more
Marty
Marty
Mercedes Technician
Associate Degree
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1986 mercedes benz 190E 2.3: cars..rpm drops and shakes..times cuts
1986 mercedes benz 190E 2.3 running too rich, can smell gas fumes in cars at idle or stop light. and the rpm drops and shakes and at times cuts off.… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Hello Mercedes specialist. Am working on an 89 Mercedes 300TE
Hello Mercedes specialist. Am working on an '89 Mercedes 300TE Wagon (124.090; not 4Matic). On acceleration, not necessarily from dead stop and only experienced warmed up, the fuel pressure will cut o… read more
Marty
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Associate Degree
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87 Mercedes: The car starts and runs great cold..lose power..floods
I have an 87 Mercedes 260E. The car starts and runs great cold. Once it enters closed loop, it begins to lose power and floods out. If I floor it, it puffs a huge cloud of black smoke and runs good. B… read more
Marty
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problem with a mb 190 2,3E. It uses TWICE AS MUCH FUEL AS NORMAL...hc
I have problem with a MB 190 2,3E. It uses TWICE AS MUCH FUEL AS NORMAL. In idle co and HC is normal. At 2500 rev, or more CO is 5 to 6% HC is normal air filter is new… read more
Marty
Marty
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Associate Degree
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How to test a Bosch Barometric Pressure Sensor of a Mercedes
How to test a Bosch Barometric Pressure Sensor of a Mercedes 190e 2.3 1985 out of the vehicle using a power supply and a multimeter. In other words, I want to bench test the Barometric Pressure Sensor… read more
Matt
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1989 Mercedes 300SE: driven..Battery, Alternator..Rotor..spark plugs
I purchased a 1989 Mercedes 300SE which had sat (not driven) for 18 months before I bought it. I changed the following items in order to improve its cold start problem: oxygen Sensor, Fuel Distributor… read more
Marty
Marty
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Associate Degree
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000 miles..injectors..plugs, leads, disi cap, coil and rotor arm
Ref 1991 R129 300 SL, 130,000 miles on engine, 12 valves, 6 cylinder. Recent cylinder head overhaul. New valves, injectors, tappets, plugs, leads, disi cap, coil and rotor arm. When finished it ran pe… read more
rpmdiag
rpmdiag
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ENGINE STARTS AND DIES, FUEL PRESSURE AT 92 PSI, FUEL VOLUME GOOD
1990 300 SL 6CYL. ENGINE STARTS AND DIES, FUEL PRESSURE AT 92 PSI, FUEL VOLUME GOOD. UNPLUG 3 WIRE CONNECTOR AT AIR FLOW SENSOR AND ENGINE WILL RUN AND REV. DOESNT RUN GREAT BUT DEFINATE DIFFERENCE. C… read more
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1991 300ce: cold start..injector..disconnect..you press the pedal
1991 300ce, only way to start car is to manually / continuously energize cold start injector. wait a bit then disconnect. now it can idle on its own but stumbles if you press the pedal. Fuel distribut… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
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Meet the Experts:

MB Paul

MB Paul

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3,567 satisfied customers

Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

Marty

Marty

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Michael Warfield

Michael Warfield

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Matt

Matt

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promerc

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Hipo64

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Chris(aka-Moose)

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288 satisfied customers

24 years of experience diagnosing & repairing

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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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