So you see that infamous glow on your instrument cluster in your Mercedes-Benz, yep, it’s your check engine light, and it’s on. Now what?
What is a Check Engine Light?
The check engine light is part of the onboard diagnostics (OBD) system in your Mercedes-Benz.
What Does The Check Engine Light Mean When Illuminated?
When you see the check engine light illuminated in your dash, it means your Mercedes-Benz has detected a problem within its OBD system.
What Problems Can Trigger the Check Engine Light?
Ranging from minor to major, a slew of things can trigger the check engine light to come on in your Mercedes-Benz, including (but not limited to):
- Loose gas cap
- Faulty fuel injector
- Blown gasket heads
- Faulty oxygen sensors
- Cracked and loose hoses
- Faulty mass air flow sensor
- Worn out spark plugs and wiring
- Emission control system malfunction
What Should I do if my Check Engine Light Comes on?
Your best bet is to take it to a qualified Mercedes-Benz specialist at a reputable Mercedes-Benz service center for some diagnostic testing whenever possible. You'll want to make sure you have a qualified Mercedes-Benz repair shop that is equipped with Mercedes-Benz specific diagnostic equipment, such as a STAR computer system or an Autologic computer.
The problem might not require immediate attention, but don’t wait too long because you don’t want the problem to persist and result in a costly repair at a later date.
If you also notice on your dash, in addition to the activated check engine light, that you have low oil pressure or your Mercedes-Benz is overheating, you should safely pull off the road as soon as you can and shut off the engine.
What Should I Expect When I Visit my Mercedes-Benz Mechanic for Diagnosis?
Your Mercedes-Benz expert will be able pinpoint the problem for you by connecting your Mercedes-Benz to a diagnostic scan tool. This tool will provide trouble codes stored in your electronic control system, and reveal why the check engine light came on. From there, your Mercedes-Benz specialist will advise you on what to do next for your Mercedes-Benz and recommend a proper course of action.
To be on the safe side, make sure to have your Mercedes-Benz routinely serviced at the proper interval. Find an expert Mercedes-Benz specialist at a local Mercedes-Benz shop today!