Original Bosch solenoid for 300SEL 6.3 and 600 starter motor.
No longer available from Mercedes, nor Bosch. Brand new solenoid, never installed.
$150 plus shipping. Located in Poway, CA Still available, as of 8/5/25
MB part # 000 152 83 10
Bosch Mfr # 0 331 402 073