2009 Mercedes-Benz R350
Introduction The 2009 Mercedes-Benz R350 is a luxury crossover SUV that combines style, performance, and versatility. It features a spacious cabin, ample cargo space, and a powerful engine. Under the hood lies a 3.5-liter V6 that delivers 268 horsepower and 258 lb-ft of torque, paired with a 7-speed automatic transmission. However, like any vehicle, the R350 has encountered several issues that owners should be aware of.
Engine
- M272 V6
Timing Chain Failure Description/Symptoms: The timing chain, responsible for synchronizing the camshafts and crankshaft, can prematurely stretch or break. This leads to erratic engine performance, stalling, and engine damage. Solution: Replace the timing chain and related components. Estimated Cost to Fix: $2,500 - $4,000+ Recalls: 2006737, 2008076, 2008304
Transmission
- 7-Speed Automatic Transmission (722.9)
Valve Body Wear Description/Symptoms: Internal valve bodies within the transmission experience wear and tear, causing shifting problems, erratic gear changes, and transmission failure. Solution: Overhaul or replace the transmission. Estimated Cost to Fix: $2,000 - $3,500+ Recalls: None Found
Suspension
- Air Suspension
Air Spring Leaks Description/Symptoms: The air springs utilized in the air suspension can develop leaks, causing the vehicle to sag and ride unevenly. Solution: Replace the faulty air springs. Estimated Cost to Fix: $500 - $1,200
Electrical
- Command Module Failure Description/Symptoms: The Command module, which controls various electronic systems, can malfunction, leading to issues with navigation, climate control, and audio. Solution: Replace the Command module. Estimated Cost to Fix: $1,500 - $2,500+ Recalls: None Found
Exterior
- Rear Hatch Water Leaks Description/Symptoms: The rear hatch seal can fail, allowing water to enter the cargo area during rain or washes. Solution: Replace the rear hatch seal. Estimated Cost to Fix: $200 - $400
Interior
- Sunroof Drain Clogs Description/Symptoms: The sunroof drains can become clogged, causing water to accumulate inside the cabin and damage interior components. Solution: Clear the sunroof drains. Estimated Cost to Fix: $100 - $200
Summary While the Mercedes-Benz R350 offers a comfortable and versatile driving experience, it is not immune to issues. The timing chain and transmission valve body are major issues with potentially high repair costs. Other concerns, such as air spring leaks and electrical malfunctions, can also affect ownership long-term. Potential buyers should factor in these potential expenses when considering the R350.