Just a few questions....#1...Are the last six digits on the vehicle Vin# the engine number? If not, how do I find it easily? #2...Being an 86' 300E, does anyone know if the AC clutch pulley is a 4.5", 5" or other size pulley? #3.... When I buy a rebuilt AC with a clutch assembly, does it matter which size pulley/AC compressor I get? Finally, ...#4... The little cap on my door lock fell off. Is their an easy way to remove one at a junk yard and put it back on, or is this a take the door apart and remove the entire assembly?

Thanks in advance, Geof
86'300E Vin# WDBEA30D8GA107534

Your engine number is 103983-12005249 chassis number is 124030-1A107534 auto trans number is 722320-02702127
this information should be in your service book at last page ( blue datacard ) A\C pulley have to be the same size

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MB STARS Master Guild Technician,17 years MB tech
14 years independent shop owner

Since the pulley has to be the same on my 86 300E for the AC, is it easy to take off the pulley/clutch assembly of the old compressor and put it on another compressor? If it is fairly easy, may I go to the salvage yard, and get an 86' compressor used, and change the pulley/clutch assembly, or do they all have different shaft sizes?


Geof