Fit only 1978 to 1980 116 300SD Diesel engine mounts.
It is hard to find the right motor mount bolts for the 116 diesels. They have to be good hard steel and just the right length. We have provided locking washers to install with the bolts so they will not loosen up. When these bolts loosen up due to diesel engine vibration it will ruin the threads in the aluminum motor mount arms. Requires a 10mm hex socket to remove and install ( see below).
W116 300SD New Motor Mount Bolts x 2 (with lock washers)
$15.75
SKU:
DSL-116MMOUNTBOLTS 
Product Details
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$22.50
115 116 123 and 126 Diesel Motor Mount Installation Help Kit
Instructions and special ratcheting hex tool and small combination wrench included 220D 240D 300D 300CD 300TD 300SDL
This kit will work on all 115, 116, 123 and 126 chassis diesels from 1969 to 1987. Almost every old Mercedes diesel I see needs to have the motor mounts changed. If you have a mechanic do it for you it will cost an arm and a leg.