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1987 560SL
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89 Posts
Discussion Starter #1 (Edited)
I'm going to the Smokeys to film Tuesday and will not have time to go through the drill of learning to change the oil in this car, so I went to the trusty Pennzoil shop and had them put in Molbil 1 synthetic and to check everything, all okay, but the oil change and total was $104. I attribute that to 8 quarts of Mobil 1. I've heard that O'Riley's in-house brand of synthetic is high quality, anyone know?

I've decided that this car offers I distinctive enough driving experience that I will always have a Benz, but I want a large saloon for cruising. I love the late eighties and early nineties S4XX's and S600 both four door and coupe, but understand that the big twelve can be a mess to work on. In fact, I read on this very forum..."If they sit they rot, if you drive them they break." That big 12 is alluring at any rate. I've had one ten cylinder truck, big Dodge, but never a 12 cylinder. The twelve will likely be in the form of a second or third Ferrari as the first one will be a 3X8 series to get the ball rolling, as Ferrari ownership is a complex affair, moreso than these German cars.

Back to driving experience. It's exactly the same as the E320 I drove for a month a few years ago. Very stable, but not isolated from the road. You get a feeling of solidity and stability that I've never had in any other car. Japanese cars feel alternately squishy and inept by comparison, even a big Lexus. The engines also have a misplaced zingyness that seems more fitting for a Civic than a big sedan. The big Lexi don't compare to the Benz's though they are often pimped in that direction.
 

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1987 560SL
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3,524 Posts
Stay away from the synthetics...unless you know for a fact that synthetics has been used in it since day one. Synthetics will break down any deposits, cleaning out the engine quite nicely...to include any and all of the deposits that have clogged potential leaks for years. changing to synthetics now will cause you to go crazy chasing oil leaks.

As for the price...that is normal due to the 7.5 quarts that the engine takes. I was paying $125 in Utah, but was only charged $50 in SoCal at a dealership by my step-son's house...Walter's Mercedes in Riverside, CA. I guess it's a crap shoot for pricing, so be sure to shop around.

As for the location you went to to have the change done, did they do it properly by suctioning the old oil out?
 

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Outstanding Contributor , Bob's Your Uncle!
-----'83 280 SL----- 5 speed....The PIG
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29,512 Posts
That wouldn't be a lot of $$ for an 8L syn oil change around here.

I personally hate doing oil changes, but look forward to getting around and under the car to check everything else out at the same time.

I pay about 1/3 that cost with an OEM filter and 20/50 dino oil.
 

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Outstanding Contributor , Bob's Your Uncle!
-----'83 280 SL----- 5 speed....The PIG
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29,512 Posts
He's new................and has been abused enough for this week.

Let him catch his breath.
 

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Registered
1987 560SL
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89 Posts
Discussion Starter #7
Whoa...no synthetic?

I've heard that all Benz dealers are putting synthetic in even the older cars. Haven't seen any leaks yet. I would normally be hesitant with an older car. I had the engine rebuilt in the Fiat and only then switched to synthetic, and it does dribble. Now I'm concerned....I'm hoping this is not another thing to worry about with Benzes because I believe in synthetic oil as a great way to extend the life of an already durable engine.

Anyone have any 'switch to synthetic' stories, good or bad?
 

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Premium Member
1986 560SL with M120 V12 Engine, 1988 560SL Stock
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10,224 Posts
I only use synthetics in my Benz. I started putting Mobil 1 into my 560 when I got it at 100K miles. It leaks now at 160K miles with Mobile 1, like it leaked when I got it at 100K without Mobile 1. I also am using Bosch Platinum +4 plugs and may consider Iridium next time.

But for my V-12 car with 11 qt's of Mobil 1 I have to start saving up a couple of months in advance.
 

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1987 560SL
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89 Posts
Discussion Starter #9
Uhhhh...this may be redundant.

But....how does a 560 perform with the 12 in it? And...how did you fit a V12 in an already cramped engine compartment, that's incredible.
 

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Outstanding Contributor , Bob's Your Uncle!
-----'83 280 SL----- 5 speed....The PIG
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29,512 Posts
But....how does a 560 perform with the 12 in it? And...how did you fit a V12 in an already cramped engine compartment, that's incredible.
Do a search.

Just type in MB Porn.

Or maybe "roncallo V12"
 

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Registered
1987 560SL
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89 Posts
Discussion Starter #11
No luck....

All I can find is the thread where he's asking questions about a transplant, no finished pictures or written impressions.
 

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1987 560SL
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89 Posts
Discussion Starter #13
Oh man....

If I didn't know better I'd say 'great photoshop work.'

That's amazing, great work! Now THAT is something to shoot for.

How does it perform?
 

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Outstanding Contributor , Bob's Your Uncle!
-----'83 280 SL----- 5 speed....The PIG
Joined
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29,512 Posts
If I didn't know better I'd say 'great photoshop work.'

That's amazing, great work! Now THAT is something to shoot for.

How does it perform?
It goes like stink.

A head snapper.

Sounds even better.


 

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Registered
1987 560SL
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89 Posts
Discussion Starter #18
Amazing.....

That sound is incredible. That car must be such a blast to drive.

The coolest thing must be wasting jap tuner cars with a flick on the foot.

Great job, I love it.

Is the engine reliable?

It actually sounds similar to a 12 cylinder Ferrari with a quieter exhaust.
 

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Premium Member
1986 560SL with M120 V12 Engine, 1988 560SL Stock
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10,224 Posts
That sound is incredible. That car must be such a blast to drive.

The coolest thing must be wasting jap tuner cars with a flick on the foot.

Great job, I love it.

Is the engine reliable?

It actually sounds similar to a 12 cylinder Ferrari with a quieter exhaust.
Thanks

The engine has given me no trouble at all. I drove the car `13,000 miles before the rear sub frame cracked and now it will be down until Christmas. those videos I posted were using a stock 96 SL600 muffler see pics. The one attached here is with open cats.


The videos nobby posted are with the current configuration Vibrant exhaust system also shown in the picture below. I was reluctant to use the vibrant system for my trip down south as I thought it would get load and obnoxious over the 2500 mile trip. But it turned out to be unobtrusive at highway speeds with a nice European tone under power.
 

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Registered
'87 190E 2.3-16
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411 Posts
Getting back to the "which oil is best" aspect of this thread for a minute...

A couple of independent M-B mechanics I trust have recommended using synthetic oil formulated for diesel trucks for my 560SL. They're loaded with detergents, generally have quite a lot of ZDDP in them, are available in the correct grades, and are generally quite inexpensive.

My local Autozone carries Mobil Delvac 1300 Super (15W-40), Chevron Delo 400 (15W-40), Shell Rotella T5 (10W-40), and Rotella T6 (5W-40). They're all about $20 per gallon, which is in the same ballpark as conventional oil. I really don't see the downside :dunno:
 
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