CLK-Class (W208) 1998-2002: CLK 200, CLK 230K, CLK 320, CLK 430 [Coupes & Cabriolets]

2000 CLK430, REAR END (DIFF.) OIL - HELP

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Old Dec 22, 2014 | 02:58 AM
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Tony Karacic's Avatar
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Talking 2000 CLK430, REAR END (DIFF.) OIL - HELP

PLEASE, BECAUSE IS ORIG. OIL TO EXPENSIVE $35 Q. ANY IDEA WITCH OIL TO USE OVER THE COUNTER. WEIGHT IS 75W85 OR ANYTHING ELSE ??????
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Old Dec 22, 2014 | 09:51 AM
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2001 Clk55 AMG
Originally Posted by Tony Karacic
PLEASE, BECAUSE IS ORIG. OIL TO EXPENSIVE $35 Q. ANY IDEA WITCH OIL TO USE OVER THE COUNTER. WEIGHT IS 75W85 OR ANYTHING ELSE ??????
Mobil 1
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Old Dec 22, 2014 | 03:09 PM
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02' CLK 430
Originally Posted by Chadzu
Mobil 1
DO NOT use Mobile 1 for the rear Diff. You need to use MBZ Synthetic Transmission Fluid....or at least that what THEY WANT YOU TO BELIEVE...

I use Valvoline MaxLife ATF...meets specs and is WAAAYYYYY cheaper. I pick it up for $15 Canadian Dollars for a gallon at my local WalMart. Works like a charm. I have done 2 transmission fluid changes already and no issues.

http://www.walmart.com/ip/Valvoline-...allon/15125768

KRis
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Old Dec 22, 2014 | 05:16 PM
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2001 Clk55 AMG
ATF in the differential?
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Old Dec 22, 2014 | 07:03 PM
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This is what I was afraid of. One person says to use a certain oil and someone else is like DON'T YOU DARE USE THAT OIL! Is there anyone who is certain about which oil I can use. I would like to use the Mobile 1 but it does have the GLS specifications, only LS. I would really love to use AMS-oil. Anyone else have any advice?
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Old Dec 22, 2014 | 08:09 PM
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'01 CLK 430 cab, '04 SL500 (230K miles)
The WIS says, rear axle standard differential SAE Grade 85W-90, 90
and 85W-90 for limited split differential.
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Old Dec 22, 2014 | 08:27 PM
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Originally Posted by marko69
The WIS says, rear axle standard differential SAE Grade 85W-90, 90
and 85W-90 for limited split differential.
--Are you saying I can use any kind of SAE oil with an 85W-90 grade for my differential? or... ?
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Old Dec 23, 2014 | 07:27 AM
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Here is some good info from the WIS (2006). Apparently synthetic was used after 4.11.2001. See below.
Not to confuse, but Germans use Day/Month/Year, Americans use Month/Day/Year.
Not sure which format the WIS is using.
Personally, I wouldn't hesitate to use non Mercedes gear oil.

Edit: I see a date down there of 18.01.04 so it must be D/M/Y.

2000 CLK430, REAR END (DIFF.) OIL - HELP-rearaxleoiltype_zpscda4ee4d.png
2000 CLK430, REAR END (DIFF.) OIL - HELP-axefluid_zps1442719d.png
2000 CLK430, REAR END (DIFF.) OIL - HELP-rearaxlefillerscrew_zps7ab7509b.png
2000 CLK430, REAR END (DIFF.) OIL - HELP-axeltorque_zps981b9553.png

2000 CLK430, REAR END (DIFF.) OIL - HELP-changing2_zps8e5d5e3e.png

Last edited by marko69; Dec 23, 2014 at 08:47 AM.
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Old Dec 23, 2014 | 01:44 PM
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02' CLK 430
Originally Posted by Chadzu
ATF in the differential?
Ooops...had a brainfart and thought we were talking about the transmission fluid for a moment.
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Old Dec 23, 2014 | 08:36 PM
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Thanks Marco69, but is there anyone who has ever changed the oil in a rear differential and used oil other than original Mercedes oil?? Thanks.
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Old Dec 23, 2014 | 10:27 PM
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2001 Clk55 AMG
Yes, Mobil 1
Works great, but buy the mb oil if it worries you. The pain of doubt lasts longer than the sting from the cost of the oil.
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Old Dec 23, 2014 | 11:04 PM
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Originally Posted by Chadzu
Yes, Mobil 1
Works great, but buy the mb oil if it worries you. The pain of doubt lasts longer than the sting from the cost of the oil.
DO YOU THINK M1 85W90 ????
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Old Dec 26, 2014 | 07:29 PM
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Originally Posted by Tony Karacic
DO YOU THINK M1 85W90 ????
ANYBODY....... ?
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Old Dec 28, 2014 | 03:40 PM
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2001 Clk55 AMG
I use the 75-90 Mobil 1
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Old Dec 28, 2014 | 03:46 PM
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Originally Posted by Chadzu
I use the 75-90 Mobil 1
I'll do the same .
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Old Oct 27, 2020 | 12:08 PM
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Is anyone using the Omnifit 100H when doing the rear diff? If not, what are you replacing it with, if anything?
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Old Oct 27, 2020 | 02:44 PM
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Prefer to use MB/Castrol LSD 75W-140,

really great & reliable..


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Old Oct 27, 2020 | 02:48 PM
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The Omnifit 100H is a thread sealant specified by MB for the drain plug, not the oil that goes in the diff. marko69 shows it from the last screen shot attachment he posed on 12-23-2014.
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Old Oct 27, 2020 | 03:04 PM
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Ah, sorry,,

Yeah, this "Omnifit 100H" is normal threadlocker with medium strength,

usually used with soft/fine thread like this oil drain with (1-pitch),,

but you can use any good threadlocker with medium viscosity strength..

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