Mercedes is one of the most sought-after luxury cars in the world that is known for its powerful performance. However, the diesel engine Mercedes requires the assistance of a glow plug light to start the engine. Of late, drivers are reporting that the glow plug light is staying on for a lot of time. This indicates issues with the functioning of the glow plug light that needs to be inspected quickly. Have a look at the video to know the factors that cause your glow plug to stay on continuously.
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