W126, BENZ AID - COMMON QUESTIONS AND ANSWERS

240D spun rod bearing and can't find parts!

I'm trying to find undersize rod bearings for a 1976 240D I just picked up. Seems to be pretty easy to find standards but that's it. Is it possible to return a crank journal to the standard size if the bearings aren't available? The engine was totally rebuilt a few years ago but... kid driving, hole punched in oil pan, ran out of oil and that's it.

Chassis Model Number

W115

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Diesel Engine Specific Aid

Diesel blow by, high oil consumption, why?

I recently purchased some of your manuals and was checking out my newly purchased 82 300td and noticed it has excessive blow by and was 3 quarts low on oil after roughly 1000mi! I did your plug the breather trick and it goes for 3-4seconds before shutting down. This car starts great on frosty mornings and has lots of power, no smoke and no oil spots on the driveway. What do you think is the best method for freeing up sticky rings? (if that's my problem) I have a friend who fills his crankcase with biodiesel after draining the oil and idles for 10min or so. Do you think this is a bad idea?

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Diesel Engine Specific Aid

Taxonomy upgrade extras

Questions and Answers

Chassis Model Number

W123

Electrical and wiper problems 1993 300D

I have a 1993 300D 240 turbo with a few issues I need help resolving. The windshield wiper doesn't work. I have attempted to remove the shroud below the windshield and can't or haven't gained access to the motor. Help I also have an electrical problem with the drivers headlight. I have high beam but no low. I have switched the bulbs with the passenger side and bulb is fine, fuse is fine. What's the next step? Don

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Body and Interior Specific Aid

Taxonomy upgrade extras

Instructions

Chassis Model Number

W124

123 Chassis Water temp sender

1985 MB 300D 123 Chassis Diesel. Dead Water temp guage looking for water temp sender ? I see three place for Senders for water temp guage #1 on the Engine block (drivers side) #2 on Water housing (passenger side) #3 On water housing (on front of engine) 1) Which sender feeds the instrument temp guage? 2) Can I check to see if the problem is guage or sender by grounding the wire goiing to the sender ? (will the needle on the guage move?)

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Body and Interior Specific Aid

Taxonomy upgrade extras

Questions and Answers

Chassis Model Number

W123

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