Hi all,

A friend of mine has a 85 W123 300TD. Over dinner he was telling me how his car would pop from drive back to neutral in high torque conditions (like accelerating into a rotary for example).

I have not gone down this route before. Can you help me verify for him that its a B2 piston issue, or maybe something even simpler?

I know the fluid and filter need to be checked and changed first. But after that, what could cause those symptoms?

Thanks,
dd

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'85 300D, 'Lance',250k, ... winter beater (100k on franken-Frybrid 3 Valve Kit)
'82 300D, 'Tex', 228k body / 170k engine ... summer car
'83 300TD Cali Wagon 210k, wife's car