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High outside temperatures
If DEF heats up to over 122 °F (50 °C) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...

2011 Mercedes-Benz E-Class Review
The 2011 Mercedes-Benz E-Class is a beautiful car inside and out, but after driving the sleek-looking coupe, my admiration for it quickly stopped. Inside the E350 coupe, I couldn't get comfortable ...

Cup holder in the front-compartment center console
You can remove the cup holder's rubber mat for cleaning. Clean with clear, lukewarm water only. 1 Cup holders 2 Cover – To open: slide cover 2 fully forwards. ...