Is it water or anti-freeze? If its anti-freeze your heater core is leaking which is usually a costly repair.
If its water its probably a problem with the body drain. Seems to be a on going problem with some Mercedes models even S class.
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Is the water leaking from the passenger's side? If so, the water would most probably be coming from the heat blower motor area, it is under the gloves compartment. This usually happens when the drainage pipes (under the hood in front of the windshield) get clogged by tree leaves, and rain starts to build up on them. It is a common problem in Benz cars.
Mercedes floor mats can be customized to fit one specific vehicle and one can choose between different colours or motives on the Mercedes floor mats.
probably have broken parking brake cable.
Probably because it needs cleaning.
BROKEN
The ECU is located under the floor plate on the passenger side on a 2004 Mercedes c230. The floor plate is attached with three nuts.
The 1985 Mercedes 380 SE has a gas door release latch located on the driver's side floor board near the hood release lever. If the gas door release latch is no longer operable, the cable to the door might be broken.
The places to purchase Mercedes Benz floor mats are many and varied. The best place to start would be the official Mercedes Benz website. Other options include, Auto Trader, Amazon and eBay.
because your heater core has a leak or the hose is broken
broken up rocks
the water
broken up rocks
fire water on the floor broken glass broken chairs bags on the floor towel to close to the cooker hair not tied up fridge temp to high