2017 Mercedes-Benz C300 Electrical System Problems
The 2017 Mercedes-Benz C300 logged 31 electrical system complaints, 14% of its 216 total complaints for the year. NHTSA also links two recalls, including campaign 17V114000 for a missing starter fuse. Median mileage at failure was 44,771 miles, and two complaints reported fires.
- Electrical System complaints
- 31
- 14% of 216
- Crashes reported
- 1
- Fires reported
- 2
- Injuries reported
- 0
- Median mileage
- 44,771 mi
- Related recalls
- 2
Typical electrical symptoms owners report
- Owners describe interior fires starting in the console area, in one case totaling the vehicle.
- Multiple owners report smoke and flames from the engine compartment while driving at low speed.
- Panoramic sunroofs are reported to open or close only partway, or not respond at all, on a recurring basis.
- Several owners say they received notice of recall 17V114000 for the electrical system and engine cooling but could not get the repair done because replacement parts were unavailable for an extended period.
- One owner reported abnormal vibration when starting the vehicle using the push-to-start feature.
When 2017 Mercedes-Benz C300 electrical complaints were filed
First complaint Feb 6, 2017, latest May 15, 2026.
Electrical System recalls for the 2017 Mercedes-Benz C300
- NHTSA 22V365000May 20, 2022Electrical System242,722 vehiclesOver-the-air fix
Electrical system:software
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
Risk: A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Remedy: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.
- NHTSA 17V114000Feb 23, 2017Electrical System307,629 vehicles
Electrical system:starter assembly
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2017 C300 4Matic, C300, CLA250, CLA250 4Matic and CLA45 AMG vehicles, 2017 C300 4Matic Cabrio, C300 4Matic Coupe, C300 Cabrio, C300 Coupe, E300, E300 4Matic, E400 4Matic Wagon, E43 AMG 4Matic, GLA250, GLA250 4Matic and GLC300 4Matic Coupe vehicles and 2016 C350e and GLC300 vehicles and 2016-2017 C450 4Matic AMG Sport and GLC300 4Matic vehicles. In the event that the engine or transmission cannot turn over, the starting current limiter may overheat from the repeated attempts of the starter motor attempting to start the vehicle.
Risk: If the starting current limiter overheats, the surrounding components can melt, increasing the risk of a fire.
Remedy: MBUSA will notify owners, and dealers will install an additional fuse in the electrical line to the starter, free of charge. The recall began August 31, 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017080002.
Electrical System complaints by C300 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many electrical system complaints does the 2017 Mercedes-Benz C300 have?
- NHTSA lists 31 electrical system complaints for the 2017 C300, which is 14% of the 216 total complaints filed for that model year.
- Is there a recall for the 2017 C300 electrical system?
- Yes. Recall 17V114000, reported in February 2017, covers the electrical system and engine cooling, with dealers installing an additional fuse in the electrical line to the starter. A second recall, 22V365000, covers a communication module software update.
- At what mileage do electrical problems typically show up on the 2017 C300?
- The median mileage at failure among reported electrical system complaints is 44,771 miles.
- Did any 2017 C300 electrical complaints involve fires?
- Yes, NHTSA data shows 2 fire reports and 1 crash among the electrical system complaints for this model year.