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Engine
Display messages Possible causes/consequences and Solutions The yellow Check Engine warning lamp lights up while the engine is running. There may be a malfunction ...

EXTERIOR
From the outside, the CLS550 is a knockout. I lost count of how many times the word "stunning" was used when people saw my family and I pull up in it. Called a "four-door coupe,&quo ...

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning messag ...