2010 Mercedes-Benz Andare

The 2010 Mercedes-Benz GLK350 marked Mercedes’ entry into the compact SUV market. It was generally well-received for its solid build quality, comfortable ride, and luxurious interior, although some found its styling to be polarizing. Others disliked the somewhat firm suspension compared to other Mercedes models. The 2010 GLK350 was available with a 3.5L V6 engine, producing 268 horsepower and 258 lb-ft of torque, paired with a 7-speed automatic transmission.

Engine

3.5L V6

• Camshaft Adjuster Solenoid Failure
  • Description/Symptoms: Check engine light, rough idling, poor fuel economy, and potentially decreased engine performance.
  • Solution: Replace the faulty camshaft adjuster solenoid(s).
  • Estimated Cost to Fix: $200 - $500+ depending on the shop and number of solenoids needing replacement.
  • Recalls: None Found
• Oil Filter Housing/Cooler Leaks
  • Description/Symptoms: Oil leaks, coolant leaks (if equipped with an oil cooler), burning oil smell, low oil level warning.
  • Solution: Replace the oil filter housing/cooler assembly.
  • Estimated Cost to Fix: $400 - $800+ depending on parts and labor.
  • Recalls: None Found
• Mass Air Flow (MAF) Sensor Failure
  • Description/Symptoms: Check engine light, poor fuel economy, rough idling, stalling, and potentially decreased engine performance.
  • Solution: Replace the faulty MAF sensor.
  • Estimated Cost to Fix: $150 - $300+ depending on the shop and parts.
  • Recalls: None Found

Transmission

7-Speed Automatic (7G-Tronic)

• Valve Body Issues
  • Description/Symptoms: Harsh or delayed shifting, slipping between gears, or failure to shift at all, transmission error codes.
  • Solution: Replacing or rebuilding the valve body.
  • Estimated Cost to Fix: $800 - $2000+ depending on the extent of the damage and repair shop.
  • Recalls: None Found
• Torque Converter Problems
  • Description/Symptoms: Shuddering or vibrations at low speeds, especially during acceleration.
  • Solution: Torque converter replacement
  • Estimated Cost to Fix: $1500 - $3000+ depending on parts and labor.
  • Recalls: None Found

Suspension

• Front Suspension Lower Control Arm Bushing Failure
  • Description/Symptoms: Clunking noise from the front suspension, uneven tire wear, loose or unstable handling.
  • Solution: Replace the lower control arms with new bushings.
  • Estimated Cost to Fix: $400 - $800+ for both sides depending on the shop and parts used.
  • Recalls: None Found
• Rear Suspension Air Springs (if equipped)
  • Description/Symptoms: Sagging rear suspension, especially overnight, air compressor running excessively, ride height malfunction message.
  • Solution: Replace the leaking air springs.
  • Estimated Cost to Fix: $600 - $1200+ per side depending on the shop and parts (OEM vs. aftermarket).
  • Recalls: None Found

Electrical

• EIS (Electronic Ignition Switch) Failure
  • Description/Symptoms: Key not recognized, unable to start the vehicle, steering lock malfunction.
  • Solution: Replace the EIS. This requires programming and is best done by a qualified Mercedes-Benz technician.
  • Estimated Cost to Fix: $800 - $1500+ depending on the dealer or independent shop.
  • Recalls: None Found
• SAM (Signal Acquisition Module) Issues
  • Description/Symptoms: Malfunctioning lights, wipers, or other electrical components, difficulty starting.
  • Solution: Diagnose and replace or reprogram the affected SAM unit.
  • Estimated Cost to Fix: $500 - $1200+ depending on the specific SAM unit and the extent of the damage.
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, jammed sunroof, excessive noise.
  • Solution: Clean and lubricate the sunroof tracks, replace damaged parts (motor, cables, etc.).
  • Estimated Cost to Fix: $200 - $800+ depending on the severity of the problem and parts needed.
  • Recalls: None Found

Interior

• Heater Core Leak
  • Description/Symptoms: Sweet smell inside the car, fog on the windshield, coolant loss, wet passenger side floorboard.
  • Solution: Replace the heater core. This is a labor-intensive job as it requires removing the dashboard.
  • Estimated Cost to Fix: $800 - $1500+ depending on the shop.
  • Recalls: None Found

Summary

The 2010 Mercedes-Benz GLK350, while generally reliable for its age, can suffer from a range of issues. Engine problems such as camshaft adjuster solenoid and oil leaks are common. Transmission issues with the 7G-Tronic can be costly. Suspension components like control arm bushings and air springs (if equipped) are also prone to wear. Electrical problems with the EIS and SAM modules can be frustrating. The cost of repairs can vary, but some issues, particularly those involving the transmission and electrical systems, can be relatively expensive. Potential buyers should have a pre-purchase inspection performed by a qualified mechanic to identify any existing or potential problems.