2016 Mercedes-Benz C350e

The 2016 Mercedes-Benz C350e is a plug-in hybrid variant of the popular C-Class sedan. It features a 2.0-liter turbocharged four-cylinder engine paired with an electric motor, producing a combined 275 horsepower and 443 lb-ft of torque. The only transmission offered is a 7-speed automatic (7G-TRONIC PLUS). Owners generally appreciate the C350e’s fuel efficiency, luxurious interior, and smooth ride. Common dislikes include limited all-electric range and occasional issues with the hybrid system.

Electric Motor

No Issues Found

Transmission

7G-TRONIC PLUS 7-Speed Automatic

• Harsh Shifting/Jerking
  • Description/Symptoms: Some owners report experiencing harsh or jerky shifting, particularly at lower speeds or during transitions between electric and gasoline power. This may manifest as a noticeable lurch or hesitation during acceleration or deceleration.
  • Solution: In some instances, a software update or transmission adaptation reset can resolve the issue. In more severe cases, valve body replacement or a complete transmission rebuild may be necessary.
  • Estimated Cost to Fix: $300 - $500 (software/adaptation), $1,500 - $3,000+ (valve body/rebuild)
  • Recalls: None Found

Suspension

• Air Suspension Failure (if equipped)
  • Description/Symptoms: Models equipped with the optional AIRMATIC air suspension may experience issues with the air struts or compressor, leading to a sagging suspension, uneven ride height, or warning lights on the dashboard. A hissing sound may be audible near the affected strut.
  • Solution: Replacement of the faulty air strut(s) or air suspension compressor.
  • Estimated Cost to Fix: $800 - $2,000+ per strut, $800 - $1,500+ for the compressor
  • Recalls: None Found

Electrical

• Hybrid System Malfunctions
  • Description/Symptoms: The C350e’s complex hybrid system can be prone to various electrical malfunctions, including error messages related to the high-voltage battery, charging system, or electric motor. These can result in reduced electric range, loss of power, or the inability to charge the battery.
  • Solution: Diagnosis and repair by a qualified technician with expertise in hybrid vehicles. This may involve replacing faulty sensors, modules, or wiring harnesses, or in some cases, the high-voltage battery itself.
  • Estimated Cost to Fix: $200 - $500+ (sensor/module replacement), $5,000 - $10,000+ (high-voltage battery)
  • Recalls: None Found
• Software Glitches
  • Description/Symptoms: Some owners have reported software glitches affecting the infotainment system, navigation, or driver-assistance features. These can manifest as system freezes, display errors, or intermittent malfunctions of various electronic systems.
  • Solution: Software updates from the dealership can often resolve these issues.
  • Estimated Cost to Fix: Free (under warranty), $100-$300 (out of warranty)
  • Recalls: None Found

Exterior

• Panorama Sunroof Issues (if equipped)
  • Description/Symptoms: If equipped with the panorama sunroof, owners have reported issues with the sunroof mechanism. Problems include the sunroof not closing or opening correctly, getting stuck, or creating excessive noise during operation.
  • Solution: Replacement of the sunroof motor, cables, or entire sunroof assembly.
  • Estimated Cost to Fix: $300 - $500+ (motor/cables), $1,500 - $3,000+ (assembly)
  • Recalls: None Found

Interior

• MB-Tex Leather Cracking
  • Description/Symptoms: Some owners reported issues with the MB-Tex leather cracking under minimal wear.
  • Solution: The only solution is to replace the leather.
  • Estimated Cost to Fix: $300 - $2,000+ per seat
  • Recalls: None Found

Summary:

The 2016 Mercedes-Benz C350e, while offering a luxurious experience and decent fuel economy, has a few common issues. The most significant potential problem areas are the hybrid system and the air suspension (if equipped), both of which can lead to expensive repairs. Issues with the transmission and sunroof are less common but still worth noting. It’s recommended to have a thorough pre-purchase inspection performed by a qualified mechanic, especially one familiar with hybrid vehicles, to identify any potential problems before buying a used C350e. While many repairs are minor, issues with the high-voltage battery can lead to expenses of over $5,000.