Mercedes-Benz C-class Operator's Manual page 308

To close:
Lower the hood and let it drop into lock from a height of
approximately 1 ft. (30 cm), assisting with hands placed
flat on edges of hood (3).
To avoid hood damage, please make sure that hood is
fully closed. If not, repeat closing procedure. Do not
push down on hood to attempt to fully close it.
P88.40-2138-26
Engine compartment 299
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