As the title say's I need the belt size for the M104 (1994) with the air pump removed.

It picked the best time to die as I'm supposed to be leaving for Chattanooga Tomorrow to buy it a sibling (500SEL) so I really need a temp fix as I wait for the new pump to come in. Does anyone have the correct info? I've been looking for hours and can not find I sold answer. The poor thing sounds like it's going to rip my drive belt to hell any minute, lucky there are three part stores with in three miles. I hope I make it.

Thanks so much.

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'94 E320 with 272,000 miles. '92 500SEL 133,000 miles.
Mods to the '94: TomTom GPS in place of ash tray, Auto Dimming Mirror ,Memory seat, DEI 545T Auto lamps, DEI 530T Auto Up/Down Windows, DEI Remote Start, Motorola Bluetooth® Car Kit, Built in phone charger using factory phone wiring, RainTracker Rain sensing wiper, Keyless Entry, Ambient lighting of center storage compartment. Soon: factory heated seats, REST
Mercedes-Benz is my addiction of choice.
http://www.youtube.com/vanwiek

TDM lists original belt size with a/c at 2440MM & w/o ac at 2337MM.

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On my car, it is a 93 size (autozone belt).....the original was 95 ....you will only be able to run it though if you remove the pump as it interferes with the new belt route...

the other thing to think about here is that i have the old style tensioner, and you probably have the newer one?, although i don't think it will make a difference ....

good luck !!

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1993 300E, 2.8 M104 .....

To close out this thread and help others in the future here's what I did.

Bought multiple belts with the intention to take back the ones I didn't use. Well, they were all extremely to short.

Faced with the possibility that I was going to have to put that damn pump back on so that I could drive to the parts store was not a very appealing option to me. So I reinstalled the original belt, minus the air pump and was surprised to see what a close fit it was. After a adjustment of the belt tensioner the original belt was nice and tight.

So there you have it guys, on a M104 you can remove the pump and use your stock belt.

__________________
'94 E320 with 272,000 miles. '92 500SEL 133,000 miles.
Mods to the '94: TomTom GPS in place of ash tray, Auto Dimming Mirror ,Memory seat, DEI 545T Auto lamps, DEI 530T Auto Up/Down Windows, DEI Remote Start, Motorola Bluetooth® Car Kit, Built in phone charger using factory phone wiring, RainTracker Rain sensing wiper, Keyless Entry, Ambient lighting of center storage compartment. Soon: factory heated seats, REST
Mercedes-Benz is my addiction of choice.
http://www.youtube.com/vanwiek

PS- It was not the pump itself but the bearing in the pulley.

__________________
'94 E320 with 272,000 miles. '92 500SEL 133,000 miles.
Mods to the '94: TomTom GPS in place of ash tray, Auto Dimming Mirror ,Memory seat, DEI 545T Auto lamps, DEI 530T Auto Up/Down Windows, DEI Remote Start, Motorola Bluetooth® Car Kit, Built in phone charger using factory phone wiring, RainTracker Rain sensing wiper, Keyless Entry, Ambient lighting of center storage compartment. Soon: factory heated seats, REST
Mercedes-Benz is my addiction of choice.
http://www.youtube.com/vanwiek

You most likely need the bearing 32BG05S18G-2DS, FROM BEARINGS DIRECT,COM , check the archives, ive done the repair as my neighbor is
a machinist , works like a charm , you save $$

Sorry, I overlooked the M104 reference in the thread title; my link was for belt info on a M103.

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280