I use aftermarket, typically Elring or CRP seals.

VR left a bad taste in my mouth after doing a top end on an M103...sprung a leak from the oil pressure port in short order. This is common on this motor, but very with the VR gaskets. For instance, the 247k original gasket on the 300E weeps from the oil port some, the 50k VR gasket on the 300SEL pours out.

Their valve cover gaskets also crack apart fairly quick. I priced out an OEM M103 gasket at my dealer, it was about $51 picked up. Online is about $40 + freight.



The small set of orings and such, one is for the water pump and one is the rear cylinder head seal.

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]

I decided to go OEM for the crankcase set as it's only $15 more then Elring but for the top end I'm only going to buy the timing cover seal and camshaft seal from the dealer, that's only about $15. I will use the rest of my Elring headgasket set beside the head gasket as I don't think this engine needs one.

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Current: 1975 450SEL, 83 300D, 88 Yugo GVX, 90 300D OM603 swap, 91 F150 4.6 4v swap, 93 190E Sportline LE 3.0L M104 swap, 93 190E Sportline LE Megasquirt, 03 Sprinter, 06 E500 4Matic wagon.