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E430T + 300SL (W107)
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Discussion Starter #1
I have never seen such a car, the very few 560SLs that I have seen for sale in Europe has been re-imported from the US with the low compression engine.

My german "typen atlas" does not list this model. One of my books even states that Mercedes did not fit the 560 engine from the W126 because they did not think that the 107 chassi could handle so much power.

However, English magazine "Mercedes Enthusiast" includes 300 hp 1986-89 560SL in a list of all Mercedes Benz cars imported to GB.

This german site even lists performance and price for a 300hp euro 560SL.
http://www.cabrionews.de/katalog/mercedes/79sl.php

Please help me to bring some clarity into this.
 

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350SLC, 500SLC, 300TE, 190E2.3 Sportline
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560SL specs

Generally speaking, prior to the introduction of unleaded petrol, Australia had always got MBs similar to Euro spec, only in right hand drive. In the early '80s the only 107 we got was the 380SL. Coinciding with the introduction of unleaded petrol here in '86, we tended to get engines with similar specs to the US deliveries. At this time the 380SL was replaced with the 560SL. We never got the 107 500SL. My understanding is the 560 was primarily for unleaded fuel markets, especially those with low octane fuel. I believe it produced no more power than a Euro 500. I can't remember the exact figures, but I also recall that the 560SL also produced slightly less power than the 560SEL and 560SEC due to a more restrictive exhaust. Figures of around 180kW (240hp) come to mind. Apart from the 560 which had the advantage of sheer engine size, the fastest 107s here tended to be the early 350 and 450 models. They had high compression engines without any emission controls to restrict their output. From 1976, emission controls were introduced which significantly reduced engine power.
 

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Mercedes 300 SL-24
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I read somewhere (can't remember where) that they never fitted the W126 560 engine in the ...

I read somewhere (can't remember where) that they never fitted the W126 560 engine in the W107 because of the high power (300 bhp). They said the W107 was not designed to deal with such power. Remember that the 500 was around 240 bhp.
If all this is true, I don't know. But I have old magazines that show W126 with 260,300,420,500 and 560 engines and W107 with only 300,420 and 500 engines.

Jorge
'81 280 SLC
 

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E430T + 300SL (W107)
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Discussion Starter #4
That's exactly what I also read, that MB thought that the 107 chassi could not hanle the p...

That's exactly what I also read, that MB thought that the 107 chassi could not handle the power (279 - 300hp) of the W126 560 Euro-spec engine.

What confuses me is that "Mercedes Enthusiast" lists a 300hp 560SL among the cars imported to the UK. Maybe I should contact the magazine. Also the data on the german page must come from somewhere. 240km/h, that's a pretty fast 107!
 

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I'm looking at "L'Automobile Toutes les Voitures du Monde 88/89" the french magazine that ...

I'm looking at "L'Automobile Toutes les Voitures du Monde 88/89" the french magazine that used to be a very reliable source of information.
They mention the production of:

W126: 260 SE (166 hp or 160 hp with kat), 300 SE/L (188/180), 420 SE/L (218/204), 500 SE/L (245/223), 560 SEL (300/279) and for the US, 300 SDL (143).

W126 coupé: 420 SEC (218/204), 500 SEC (245/223) and 560 SEC (300/279).

W107: 300 SL (188/180), 420 SL (218/204) and 500 SL (245/223).

They don't mention the special engines in the W126 for the US because there weren't any for some time now. Regarding the W107, they don't mention anything regarding the 560 SL in the US.
Maybe, by this time, the american 560 SL was just like the european 500 SL?

Jorge
'81 280 SLC
 

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'89 560SL
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The 560SL we got here in the US does indeed have the 5.6-liter engine from the 560SE/SEL/S...

The 560SL we got here in the US does indeed have the 5.6-liter engine from the 560SE/SEL/SEC, detuned a bit. In US trim for the 107, it's rated at 227 hp or so, which is a bit less than the 500SL the rest of the world got (240 as I recall). It was produced 1986-89. MB were willing to do it, but were concerned about its power output; like the 500SL, it starts out in second gear unless you use the shifter (or the kickdown switch by flooring the accelerator).
We do get the "Mercedes Enthusiast" magazine here, and I just checked my issue. It lists models that appeared in the US only, as well as others, but does not identify which were US-spec. The listing for the 560SL shows the correct torque, acceleration and top speed, all of which are slightly less than the 500SL. Given that, it doesn't make sense that the horsepower would be greater, and I think the 300HP figure is an error; the correct figure is as above.
 

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Discussion Starter #7
Your eyes are sharper than mine. As you mention, Mercedes Enthusiast lists the torque as 2...

Your eyes are sharper than mine. As you mention, Mercedes Enthusiast lists the torque as 279 lb/ft (=380Nm), which is the same as my typenatlas lists for the US spec 231 hp 560SL. Seems like the 300hp figure is a typing mistake.

Next question, what ist he top speed of a US spec 560SL? Mercedes Enthusiast lists the 560SL top speed as 137mph (220km/h) but my typenatlas lists 208km/h (=129mph). Maybe the 560SL came with different rear axis ratios. Euro 500SL has a 2,24:1 rear axis ratio and reach the top speed (225km/h = 140mph) in 3rd, but the US 560SL has (according to my typenatlas) a 2,47:1 ratio which means that it hits the redline earlier.
 

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Re: Your eyes are sharper than mine. As you mention, Mercedes Enthusiast lists the torque as 2

Per Road & Track's first test of the 560SL in 1986, top speed was 130; Car & Driver got to 137. Rear axle ratio is 2.47:1. I note that in later tests in '86 and '88 Road & Track got 137 also. Published power was 227hp at 4750rpm, with torque of 279lb-ft at 3250.

what ist he top speed of a US spec 560SL? Mercedes Enthusiast lists the 560SL top speed as 137mph (220km/h) but my typenatlas lists 208km/h (=129mph). Maybe the 560SL came with different rear axis ratios. Euro 500SL has a 2,24:1 rear axis ratio and reach the top speed (225km/h = 140mph) in 3rd, but the US 560SL has (according to my typenatlas) a 2,47:1 ratio which means that it hits the redline earlier.
 

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Discussion Starter #10
But what spec is it?
American de-comp or 280-300 hp Euro from 560SEL?
...


But what spec is it?
American de-comp or 280-300 hp Euro from 560SEL?
 

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1990 Euro 560SEL
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Euro 560SL - HP rating?

AJSM said:
I read somewhere (can't remember where) that they never fitted the W126 560 engine in the W107 because of the high power (300 bhp). They said the W107 was not designed to deal with such power. Remember that the 500 was around 240 bhp.
If all this is true, I don't know. But I have old magazines that show W126 with 260,300,420,500 and 560 engines and W107 with only 300,420 and 500 engines.

Jorge
'81 280 SLC
Actually, Euro Spec 560SL does exist and is not that uncommon in Japan. And we are seeing them being imported to Canada. However, the question is what's the horse power rating of these Euro Spec 560SL? The W126 Euro 560s with Kat is rated at 279 HP.
 

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flyboyike said:
What is with the revival of ancient threads lately?
Partyly because since there dosen't seem to be any definitive answer when I search thru the archive.
 

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mkyang said:
Partyly because since there dosen't seem to be any definitive answer when I search thru the archive.
The R107 560SL was not built for the European market and was intended for the US,Australian and Japanese markets.

It was not officially imported into the UK although some grey market models exist.

Coincidently the latest edition of Mercedes Enthusiast (Jan 2007)includes an article about one that has recently been brought here from the US. The article sets out the correct bhp and torque figures at 227 and 275lb ft respectively.
 

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450slc5.0cab 280sl5sp 280se4.5 500seAMG +250seStkW108 350sl4spdX3 500secEuro
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Since I couldn't read it I used Babelfish to translate from German to English. I still can't read it, but understand a little.

To clarify some comments made in 2003 near the top of page 2, there was no "EURO" 560sl, just 560sl for the following locations:
- North America
- Japan (being called "Euro" apparently)
- Australia (being called "Euro" apparently)

Correct?
 

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The article only says that someone transferred the 560 engine from a 126 560SEL with 300HP into his 420SL 107.
There was never a 560SL for the European market,period
 

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The article only says that someone transferred the 560 engine from a 126 560SEL with 300HP into his 420SL 107.
There was never a 560SL for the European market,period
That was my point with the link - is German that hard? :p

"---einen ungedrosselten 560er Motor aus der Baureihe W 126 in seinen SL transplantiert"

i.e. "put an unrestricted (300hp) 560 engine from a W126 into an SL" - which strongly implies that the factory never put a 300hp engine into the 560SL . otherwise the guy undertaking this project wouldn't be making such a big deal out of it.
 

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1986 560SL: '84 500SL: '84 280SL 5 speed: other 107s
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The term Euro is used in a generic sense by most to refer to non US ROTW models. The proper term, as previously stated by Fotografa, would be standard spec. Hard to break old habits.
 
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