Mercedes original airfilter uses strange glue solution
On left is mercedes original air filter.
Mercedes uses a glue solution, prob to mismatch in height requirement.
On left is mercedes original air filter.
Mercedes uses a glue solution, prob to mismatch in height requirement.
The glue stabilizes the filter pleats against pressure from airflow in the HVAC unit. It doesn’t need to be precise to do what it needs to do.
It could be MB used a parts bin filter from other cars for W223 which might be bigger than needed. What is the MB OEM part number? The Mann filter is the minimum required, possibly.







