Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: My "check engine" light just came on but the diagnostics says No Malfunction? on 2000 Mercedes-Benz S430

I do not have a manual. I did check oil level and appears OK. Pleae advise. Thanks!
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
| |
Scan for trouble codes using a professional grade scan tool have trouble codes stored, pending codes and "freeze frame" information printed so the trouble codes can be properly diagnosed.
What diagnostics? Find someone who has a diagnostic tool that can read data on the enhanced side of the PCM not just a generic OB2 code reader.
Didn't find what you were looking for?