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1991 S600 Japanese market
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480 Posts
Discussion Starter #22
Joe,

There may possibly be differences in the intermediate plates between series of these engines, but I know mine are aluminum, as are Steve's.

But Pelican doesn't show different parts. Took a screenshot of that.

I'm the one experiencing the surge. Your note about how to torque the intermediate plate came a bit late for my needs. As I've replaced injectors, o-rings, dist cap/rotor, plugs/wires and vacuum hoses, I think that might be the only thing left that would account for the surge.

Steve: it would be interesting if know my car also had a metal 'T'. I'm wanting to take it on a several day trip around the top of Lake Victoria to the tea plantations on the Kenyan Rift Highlands and then into Kenya. But now I'm worried about the T if it's a plastic one.

I may just pull the manifold and see if I can get a peek at it.
 

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MY96 S500 & MY96 S600
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3,180 Posts
In the EPC diagrams for my S600 it has "As of engine" next to the part numbers, that means earlier engines at some point had different part numbers. The Transmission EPC diagrams are littered with these revisions. Anyway, always best to double check this stuff. Might have been a very early revision.
 

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In the EPC diagrams for my S600 it has "As of engine" next to the part numbers, that means earlier engines at some point had different part numbers. The Transmission EPC diagrams are littered with these revisions. Anyway, always best to double check this stuff. Might have been a very early revision.
Joe:
This is not related to the topic covered in this thread, but my recent experience with suspension part numbers shows that while the EPC is a great resource, if you are buying aftermarket parts, you are largely on your own.

Back to the tee. Current part number used across the board is 1408301696:

HOSE. HEATING WATER CONNECTION; Hoses made by Mercedes Benz. #1408301696

HOSE.
1408301696 must have replaced 1408321494; 1408322294; 1408300015

The catalog simply states:
This product fits 68 vehicle variants.
Mercedes: 9 models, 68 variants between 1992 and 1999.

Digging deeper, one will also see a bunch of other numbers. They all come up with NLA and take you to 1408301696
Which part number is for the metal tee, if there is a different part number at all, is not clear.

This probably means that the bean-counters at MB took over and replaced the metal with plastic, keeping the price.

Steve
 

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'97 CL600
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2,900 Posts
No, we did it before we knew that we had a harness problem and the manifold was in place. All you need is skinny Italian style fingers. Seems to me that if you laid a plank or board over the engine, laid on it and worked OVER the tee it might come out easier. In my case, the tee was indestructible but the hoses attached to it were ready to let loose.
Anziani
 

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96 S420, 00 ML55
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76 Posts
infamous tee experience

When I first got my S500 and started reading this list I replaced my tee right away. Unfortunately I did not see recommendations to avoid Uroparts and went with one of those. 18 months later the thing exploded. I noticed that it got hot and pulled into a parking lot to see what was up. The tee was in pieces. I still had the OEM tee in the trunk so I got it out and replaced it. When trying to remove the remaining pieces of the Uroparts tee from the hoses the tee parts just crumbled to bits in my hand like it was made of soda crackers. I bought the Rein tee for the new 140.
 

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'97 CL600
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2,900 Posts
We discovered on the '97 that the "tee" was indestructible! We locked it in a vise and wore out a sledge hammer trying to break it. Apparently MB changed suppliers or formula's by the '97 year. HOWEVER, the hoses were toast and were ready to let loose.
Anziani
 

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1991 S600 Japanese market
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480 Posts
Discussion Starter #28
So where does one find the small hoses attached to the 'T', and the block? Are they dealer only? I've looked at my usual parts suppliers and they don't list them.

And does anyone remember or have noted the size of the cooling hoses along the firewall? I can't get new hoses here, so I need to carry them in from the states.

Cheers
 

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'97 CL600
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2,900 Posts
Scottpeterd, yes the dealer would be the source for the small hoses. I'd go to the parts dept and have the parts guy bring up the screen display. They were not very expensive but you's be in a world of "hurt" if they let loose 100 miles out in the savanna while dodging elephants!
One of these days maybe you will tell us how you ended up there but with apparently frequent trips back to civilization.
Anziani
 

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Coupes and sedans are different in this Department, as I've learned the hard way, but one thing is common -- most of the coolant lines you see on the pictures I provided in posts #4 and #11 are metal tubes.

Two of the hoses related to the 'tee' come with the kit. The two short hoses from the back of the heads are 15 or 16 mm (5/8") in diameter and no more than 20 cm long (combined) -- will fit in your hand luggage w/o any issues.

The rest of the hoses that go to the heater core are bulky, but they do require essentially the dash to be removed.

To recap this topic -- if you have a 'tee' on your 600SEL, it will be the metal type and likely won't need anything.

Enjoy the ride.

Steve
 

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Merc. 1991 W126 300 Sel; 1998 S600 W140
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Hi Scottpeterd,
It is a pleasure to find you on this MB Forum Steve informed me that you are in the region and particularly in Uganda and that you travel regularly to Kenya.

I am from Kenya and I live in Nairobi. Currently I a have 300 SEL from former President Kibaki and now looking to buy S600 V12 either 1996 or 1998 Year. Needed your quick advise. I have two options: 1998 S600 V12 with 58,000 miles Co. maintained for 12,000 GBPs from UK ...Old man selling it and got it from the company he worked for many years. OR 1996 S600 V12 with 130,000 miles used by about 4 owners and with service history for the same 12,000 GBPs.

Also advise on whether it is the kind of car you can enjoy in our region, availability of parts and mechanics?

Also whether either of the two is worth it for 12K Pounds? If not what other options to owning a good/ decent v12?

I notice yours is SEL that means pre 1995 does it difference with the 96-98?

I am told that transmissions for 4 speed and 5 speed could be different in terms of reliability, any info on that?

In your honest opinion, would you recommend this type of MB or will you rather I stick with my W126 300SEL which i feel is underpowered in as much as it is beautiful car.

Please reach me out on +254 720982 310.

I will need to make a deal on the w140 S600 sooner.

Best regards,
 

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Merc. 1991 W126 300 Sel; 1998 S600 W140
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Dear Steve,
Thanks. see message below to scottpeterd. I appreciate your links. I hope he will respond and we can take it up from there. Erastus

Hi Scottpeterd,
It is a pleasure to find you on this MB Forum Steve informed me that you are in the region and particularly in Uganda and that you travel regularly to Kenya.

I am from Kenya and I live in Nairobi. Currently I a have 300 SEL from former President Kibaki and now looking to buy S600 V12 either 1996 or 1998 Year. Needed your quick advise. I have two options: 1998 S600 V12 with 58,000 miles Co. maintained for 12,000 GBPs from UK ...Old man selling it and got it from the company he worked for many years. OR 1996 S600 V12 with 130,000 miles used by about 4 owners and with service history for the same 12,000 GBPs.

Also advise on whether it is the kind of car you can enjoy in our region, availability of parts and mechanics?

Also whether either of the two is worth it for 12K Pounds? If not what other options to owning a good/ decent v12?

I notice yours is SEL that means pre 1995 does it difference with the 96-98?

I am told that transmissions for 4 speed and 5 speed could be different in terms of reliability, any info on that?

In your honest opinion, would you recommend this type of MB or will you rather I stick with my W126 300SEL which i feel is underpowered in as much as it is beautiful car.

Please reach me out on +254 720982 310.

I will need to make a deal on the w140 S600 sooner.

Best regards,
 

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Premium Member
1999 S600 & 1999 S500
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850 Posts
We discovered on the '97 that the "tee" was indestructible! We locked it in a vise and wore out a sledge hammer trying to break it. Apparently MB changed suppliers or formula's by the '97 year. HOWEVER, the hoses were toast and were ready to let loose.
Anziani
Anziani, Does this mean I do not need to change mine? but check the hoses?

Where is it located?
 

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'89 300SE, '12 CL63, '17 AMG GTS
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9 Posts
Anziani, Does this mean I do not need to change mine? but check the hoses?

Where is it located?
I’ll second this question. I’m buying a 1998 S500 and want to know if I should replace the double T hose on mine.
 

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96 sl600,97 s420(gone) 96 CL600
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618 Posts
The hoses are attached to the t with crimped connectors, not standard hose clamps. Replace the whole unit, its simple piece of mind. Very easy on the v8 cars, a beyooch on the m120s.
 

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1999 S600 & 1999 S500
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850 Posts
I did end up replacing mine. The part was bought for $25 a few years ago and the lbor was virtually free since the intake manifold was off for valve cover gasket replacement. Mechanic said the old one was starting to deteriorate.
 
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