2020 Mercedes-Benz GLC350e
The 2020 Mercedes-Benz GLC350e is a plug-in hybrid SUV that combines luxury with efficiency. The GLC350e features a 2.0-liter inline-4 turbocharged engine paired with an electric motor, producing a combined 315 horsepower and 516 lb-ft of torque. Other engine options available for the 2020 GLC include the 2.0-liter inline-4 turbo, and the 3.0-liter V6 biturbo. All engines are paired with a 9G-TRONIC 9-speed automatic transmission. Many owners appreciate the GLC350e for its comfortable ride, upscale interior, and fuel efficiency in hybrid mode. However, some common complaints include limited all-electric range and occasional software glitches.
Electric Motor
GLC350e (Plug-in Hybrid)
- Inconsistent Electric Range
- Description/Symptoms: Drivers report experiencing a significantly lower all-electric range than the advertised range, especially in colder temperatures or with aggressive driving.
- Solution: There is no direct fix. Range is impacted by driving habits and climate. Some owners suggest preconditioning the cabin while plugged in to maximize range. Software updates from the dealer may improve battery management.
- Estimated Cost to Fix: N/A
- Recalls: None Found
Transmission
9G-TRONIC 9-Speed Automatic (All Engines)
- Rough or Jerky Shifting
- Description/Symptoms: Some owners have reported experiencing rough or jerky shifting, especially during low-speed acceleration or deceleration. This can manifest as a noticeable clunk or hesitation between gears.
- Solution: A software update from the dealer may resolve the issue. In some cases, a transmission fluid flush and filter change could help. In more severe cases, valve body replacement may be necessary.
- Estimated Cost to Fix: $200-$2000+
- Recalls: None Found
Electrical
- MBUX Infotainment System Glitches
- Description/Symptoms: Frequent system crashes, screen freezes, lagging response, and difficulty connecting to Apple CarPlay or Android Auto.
- Solution: Performing a system reset might provide temporary relief. Software updates from the dealer are often the solution, but repeated visits may be required. In some instances, the head unit may need replacement.
- Estimated Cost to Fix: $0 (Software Update) - $1500+ (Head Unit Replacement)
- Recalls: None Found
- 12V Battery Issues
- Description/Symptoms: Some owners report experiencing a flat 12V battery, especially if the vehicle is left for extended periods. This can prevent the car from starting or cause electrical system malfunctions.
- Solution: Regular battery maintenance, ensuring all accessories are turned off when the car is parked. Replacing the battery or charging it regularly.
- Estimated Cost to Fix: $200-$400
- Recalls: None Found
Exterior
- Malfunctioning Power Tailgate
- Description/Symptoms: The power tailgate may intermittently fail to open or close, or it may get stuck mid-operation. This can be caused by a faulty motor, sensor, or hydraulic strut.
- Solution: The sensor needs to be replaced.
- Estimated Cost to Fix: $300-$700+
- Recalls: None Found
Interior
- Sunroof Rattle or Squeaking
- Description/Symptoms: Annoying rattle or squeaking noises emanating from the sunroof area, especially when driving on uneven surfaces.
- Solution: Lubricating the sunroof seals and mechanism may temporarily alleviate the noise. Adjusting the sunroof alignment might be required. In some cases, replacing the sunroof assembly is necessary.
- Estimated Cost to Fix: $50 - $1000+
- Recalls: None Found
Summary
The 2020 Mercedes-Benz GLC350e, while offering a blend of luxury and efficiency, has some notable issues. Electrical glitches in the infotainment system and inconsistent electric range are common complaints. Transmission issues, while less frequent, can be costly to repair. The overall severity of the issues ranges from minor inconveniences to more serious mechanical problems. The cost of repairs can range from a few hundred dollars for software updates and minor fixes to thousands of dollars for transmission or electrical component replacements.