Mercedes-Benz C-Class Coupe 2019 Operator's Manual page 350

348 Maintenance and care
Notes on paintwork/matte finish paintwork care
Observe the following information:
Cleaning and care
Paintwork Insect remains: soak with insect remover and rinse off the
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treated areas afterwards.
Bird droppings: soak with water and rinse off afterwards.
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Tree resin, oils, fuels and greases: remove by rubbing gen‐
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tly with a cloth soaked in petroleum ether or lighter fluid.
Coolant and brake fluid: remove with a damp cloth and
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clean water.
Tar stains: use tar remover.
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Wax: use silicone remover.
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Avoiding paintwork damage
Do not attach stickers, films or similar.
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Remove dirt immediately, where possible.
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