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2012 Mercedes-Benz E-Class Luxury 3.5L 4dr Sedan RWD

2012 Mercedes-Benz E-Class
Trim Info:
Rear Wheel Drive, 4 Door Sedan, Midsize Cars
17 (2011) mpg city / 24 (2011) mpg hwy
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Recommendation:

Check the radiator cap when the engine is cold. If anything seems odd about the radiator cap, replace it and see if this corrects the boil over problem. Otherwise, have the entire cooling system backflushed in order to remove all of the old coolant. Refill with a 50/50 mixture of water and anti-freeze

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