2013 Mercedes-Benz GLK300

The 2013 Mercedes-Benz GLK300 is a compact luxury SUV known for its boxy design, comfortable ride, and overall build quality. The GLK300 comes standard with a 3.5L V6 engine producing 248 horsepower and 251 lb-ft of torque, paired with a 7-speed automatic transmission. The GLK350, which uses the same engine, is also available. Some owners appreciate the GLK’s composed handling and fuel efficiency for its class, while others find the rear seat space a bit cramped compared to competitors, and the infotainment system somewhat dated.

Engine

3.5L V6 (M276)

• Camshaft Adjuster Failure
  • Description/Symptoms: The camshaft adjuster, specifically its solenoid or the adjuster itself, may fail. This can cause rough idling, loss of power, engine misfires, and the check engine light to illuminate. Diagnostic codes related to camshaft position or timing may be present.
  • Solution: Replacement of the faulty camshaft adjuster and potentially the solenoid is required.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found
• Timing Chain Issues
  • Description/Symptoms: The timing chain can stretch or fail prematurely. Symptoms include a rattling noise on startup, especially when cold, rough running, and a check engine light with codes related to timing.
  • Solution: Replacement of the timing chain, tensioner, and guides.
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found

Transmission

7-Speed Automatic (7G-Tronic - 722.9)

• Torque Converter Failure
  • Description/Symptoms: Shuddering during gear changes, especially at lower speeds. Can also manifest as vibration or hesitation during acceleration.
  • Solution: Replacement of the torque converter.
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found
• Valve Body Issues
  • Description/Symptoms: Hard or erratic shifting, delayed engagement of gears, transmission slipping, and getting stuck in gear. Can trigger the check engine light.
  • Solution: Replacement or rebuild of the valve body.
  • Estimated Cost to Fix: $800 - $2000+
  • Recalls: None Found

Suspension

• Front Lower Control Arm Bushing Failure
  • Description/Symptoms: Clunking or squeaking noises from the front suspension, especially when going over bumps. Vehicle may wander or feel unstable.
  • Solution: Replacement of the lower control arm bushings or the entire control arm.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• Rear Subframe Bushing Failure
  • Description/Symptoms: Clunking from the rear end, excessive rear end movement, vague handling
  • Solution: Replacement of the rear subframe bushings or the entire subframe.
  • Estimated Cost to Fix: $800-$1500+
  • Recalls: None Found

Electrical

• EIS (Electronic Ignition Switch) Failure
  • Description/Symptoms: Intermittent starting issues, key not recognized by the vehicle, or complete failure to start.
  • Solution: Replacement of the EIS module. This often requires programming by a Mercedes-Benz dealer or a qualified independent shop.
  • Estimated Cost to Fix: $800 - $1800+
  • Recalls: None Found
• Power Window Regulator Failure
  • Description/Symptoms: Window moves slowly, erratically, or not at all. May hear grinding noises from inside the door panel.
  • Solution: Replacement of the power window regulator.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found

Exterior

• Tail Light Assembly Cracking/Water Intrusion
  • Description/Symptoms: Cracks in the tail light lens, water accumulation inside the tail light housing, leading to bulb burnout.
  • Solution: Replacement of the tail light assembly.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof may be stuck, make a grinding noise when operating, or leak when closed.
  • Solution: Sunroof track cleaning/lubrication, or replacement of damaged components like the motor or cables.
  • Estimated Cost to Fix: $200 - $1000+
  • Recalls: None Found
• Navigation/Infotainment Screen Failure
  • Description/Symptoms: Screen flickering, dimming, or complete failure. This can impact navigation, audio, and other vehicle functions.
  • Solution: Replacement of the screen or the entire infotainment unit.
  • Estimated Cost to Fix: $500 - $2000+
  • Recalls: None Found

Summary

The 2013 Mercedes-Benz GLK300 has some known issues, particularly with the engine, transmission, and electrical components. While the GLK300 is generally considered a reliable vehicle, being aware of these potential problems can help prospective buyers make an informed decision. The costs associated with repairs can range from a few hundred dollars for minor issues to several thousand for major engine or transmission work. Some issues can be severe such as engine or transmission failure. Regularly inspecting the vehicle for these symptoms and performing timely maintenance can help prevent or mitigate some of these problems.