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1993 Mercedes Benz 190E 2.6
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Discussion Starter #1
Hi, I own a 1993 Mercedes Benz 190E 2.6, 123K miles.
And this is the story...
The car was a gift from an uncle which bought the car around last March, in Los Angeles. He noticed a problem at starting when cold, it's like he needed to pump gas a few times and then start it.
I began to drive it in summer; I live in an area where the temps reach 120F at summer... so my benz started to heat up.. I serviced the radiator, change the thermostat, also change the coolant temp sensor (a mechanic told me that would fix the start problem)..
One day, I checked the spark plugs and guess what... those look green.. green like antifreeze.. I replaced them.. and again looks wet, humidity from antifreeze with a greenish colored.
Well then, do I have one problem? or two? I mean, overheating may be caused by greenish spark plugs problem? Or are two separate problems?
What is wrong with my car!??! Please help me, maybe the head needs to be repaired or changed? And if I am going to open it up what other services should I do?:surrender:
Thanks in advance.
 

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96 E-320, 91 190E, various and sundry Euro and American vehicles
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12,141 Posts
Foamy oil? Higher level of oil on the dipstick (oil floats on water, which appears as a higher oil level on rare occasion)?
Oil in the radiator?
Smoke (steam) out of the exhaust?
Loss of radiator fluid?
These are a few points that denote a possible head gasket leak, and yes overheating is one of those issues as well.

These are starting points to consider.
 

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2000 :W220 - 1986 W201: 16v Nam,16v Euro- 2002:SL500 Silver Arrow.2002:Avalanche-
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2,259 Posts
Please answer all " aardvark" questions and if its match then : with 123K in mileage then it's time to save money for new head job, timing chain , tensioner etc....
 

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1990 190e 2.6l Calif. auto 1987 Ford F150 4.9L Calif. man 4OD 4X4 2013 Suzuki C50 Crusier
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285 Posts
wet green stuff on spark plugs is antifreeze, and you dont need foam in oil or radiator to have a leaking or blown headgasket or crack in head or block. most likely you have a headgasket starting to go. and that means pulling the head. I would first pull fuelpump relay so fuel will not pump then run a compression test and go from their.
 

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96 E-320, 91 190E, various and sundry Euro and American vehicles
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12,141 Posts
Yup Compression test is sensible, but might read wrong due to ring wear which might be natural. If WWaayy off then you know, and it would run lethargic.
 

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1993 Mercedes Benz 190E 2.6
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12 Posts
Discussion Starter #7
No foam in oil... no oil in rad... no smoke.. actually it runs veeery well!
I think I might run the compression test at the rad.. I mean, easiest things first.. and trying to fix the head or change it..
How much you guys calculate this adventures costs (If I do it by myself)??
Thank you for all your answers =)
 

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1990 190e 2.6l Calif. auto 1987 Ford F150 4.9L Calif. man 4OD 4X4 2013 Suzuki C50 Crusier
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285 Posts
first do a compression test and write the specs down, then do another test but squirt a little oil into the cyl, and crank and write that down. if reading gos way up then you know you have some worn rings. and the lower end is getting worn. if reading is low and after putting oil in cyl and stays low after cranking then the gasket , or valves are worn.( upper end )you may want to read up on compression testing. you can also put a radiator pressure tester on the radiator or whatever and start the car and if the pressure shoots up then you mayvery well have a blown head gasket. you can also pull all the sparkplugs and pressure test the system and see if you can hear any hissing at each sparkplug hole.
 

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2000 :W220 - 1986 W201: 16v Nam,16v Euro- 2002:SL500 Silver Arrow.2002:Avalanche-
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2,259 Posts
No foam in oil... no oil in rad... no smoke.. actually it runs veeery well!
I think I might run the compression test at the rad.. I mean, easiest things first.. and trying to fix the head or change it..
How much you guys calculate this adventures costs (If I do it by myself)??
Thank you for all your answers =)
PRICELESS.............:D
 

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1990 190e 2.6l Calif. auto 1987 Ford F150 4.9L Calif. man 4OD 4X4 2013 Suzuki C50 Crusier
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285 Posts
head gasket set, new head bolts,oil and filter, 2 gal antifreeze, head resurfaced and new valve stem seals installed, maybe new fuel injector seals. I would say about $300-$350
if you removed and replaced the head yourself.
 

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1993 Mercedes Benz 190E 2.6
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Discussion Starter #11
$300-$350 Sounds good.. Well, I think I will need to start planning my strategy to complete this job.. only a last question: do you recommend an online store?? Or local autoparts like autozone is just fine?
 

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1993 Mercedes Benz 190E 2.6
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Discussion Starter #12
Actually it sounds very good.. aroung $350... a last question, you guys recommend a online website to purchase this parts? or local autoparts is OK?
 

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2000 :W220 - 1986 W201: 16v Nam,16v Euro- 2002:SL500 Silver Arrow.2002:Avalanche-
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2,259 Posts
Actually it sounds very good.. aroung $350... a last question, you guys recommend a online website to purchase this parts? or local autoparts is OK?
If your current car has high mileage , it's highly recommended while doing this job : Timing chain , chain tensioner , chain guide & rail as well : adding approx $350.00 ( shipping ) check this out :Auto Parts at AutohauAZ @ :Auto Parts at AutohausAZ - OEM Auto Parts - Discount Replacement Parts, Resources and Car Care Tips and Auto Parts Warehouse | Car Parts, Truck Parts & Auto Body Parts Online - Free Shipping on most Auto Accessories & Performance Parts – AutoPartsWarehouse
Have fun.:thumbsup:
 

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1990 190e 2.6l Calif. auto 1987 Ford F150 4.9L Calif. man 4OD 4X4 2013 Suzuki C50 Crusier
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285 Posts
If it was my car I would not do the timing chain at this time if only a headgasket. to get the car up and running again faster. If I had another car to drive or if I was doing the complete engine then you can do the chain, timing chains are not like timing belts. Timing chains last a long time and most people do not do a chain when only doing a head job. so if a timing belt last for say 75k then a metal timing chain should last and does last way longer.200k 300k ???????
 

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1990 190e 2.6l Calif. auto 1987 Ford F150 4.9L Calif. man 4OD 4X4 2013 Suzuki C50 Crusier
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285 Posts
I get discounts so check around on prices.
 

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1990 190e 2.6l Calif. auto 1987 Ford F150 4.9L Calif. man 4OD 4X4 2013 Suzuki C50 Crusier
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285 Posts
first I look online for parts then I have a few parts houses I use .
 

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1990 190e 2.6l Calif. auto 1987 Ford F150 4.9L Calif. man 4OD 4X4 2013 Suzuki C50 Crusier
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285 Posts
Also these headgaskets leak oil from the front of the gasket and also the front rubber gasket in front of the chain, on the rubber one be careful and maybe only put silicone at the ends of it by the head to seal. Silicone on the whole rubber one may let the rubber slide out of place, so be careful at that spot. I also put a new washer on the chain plunger . I had a oil leak by the pass front head and running down to the altenator.
 

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1990 190e 2.6l Calif. auto 1987 Ford F150 4.9L Calif. man 4OD 4X4 2013 Suzuki C50 Crusier
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285 Posts
before I did my head gasket when I started the engine I would get some white smoke. now no white smoke. when I had the head resurface I had them put the new valve stem seals in that came with the head set, the old setm seals dryed out and was letting oil get sucked into the engine thru the valve guide.
 
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