2017 Mercedes-Benz Viale BRT

The 2017 Mercedes-Benz Viale BRT is a bus chassis designed for Bus Rapid Transit (BRT) systems. Typically, these chassis are fitted with a variety of body options by different manufacturers. The engine most commonly paired with this chassis is a Mercedes-Benz diesel engine; however, specific horsepower and torque figures vary based on the exact engine configuration chosen by the body manufacturer/operator. Operators choose the Viale BRT for its reliability, durability, and integration with Mercedes-Benz service networks. Dislikes typically center around the maintenance demands of commercial vehicles and the upfront cost compared to other chassis options.

Engine

Mercedes-Benz Diesel Engine (Specific Model Varies)

• Excessive Diesel Particulate Filter (DPF) Regeneration
  • Description/Symptoms: Frequent DPF regeneration cycles, leading to decreased fuel economy and potential overheating. This can be caused by faulty sensors, excessive idling, or issues with the fuel injection system.
  • Solution: Diagnosis of the root cause, which may involve replacing sensors (e.g., differential pressure sensor), cleaning or replacing the DPF, or addressing fuel injection problems.
  • Estimated Cost to Fix: $500 - $3000+ (depending on the component replaced)
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Loss of power, excessive black smoke from the exhaust, and a whining noise from the engine. This can be caused by oil starvation, foreign object damage, or general wear and tear.
  • Solution: Replacement of the turbocharger, along with addressing any underlying issues that caused the failure.
  • Estimated Cost to Fix: $2000 - $5000+
  • Recalls: None Found

Transmission

ZF Automatic Transmission (Specific Model Varies)

• Erratic Shifting/Slipping
  • Description/Symptoms: Harsh or delayed shifts, slipping between gears, and a general lack of responsiveness. This can be caused by worn clutch packs, valve body issues, or low transmission fluid.
  • Solution: Diagnosis to determine the cause of the shifting issues. This may involve a transmission fluid flush, valve body repair, or a complete transmission rebuild/replacement.
  • Estimated Cost to Fix: $500 - $8000+
  • Recalls: None Found
• Torque Converter Failure
  • Description/Symptoms: Shuddering or vibration at low speeds, stalling, and a general loss of power.
  • Solution: Replacement of the torque converter.
  • Estimated Cost to Fix: $1500 - $4000+
  • Recalls: None Found

Suspension

• Air Suspension System Leaks
  • Description/Symptoms: The air suspension system may fail to maintain the correct ride height, or the compressor may run excessively. This can be caused by leaks in the air bags, air lines, or valve block.
  • Solution: Identify and repair the leaks in the system. This may involve replacing air bags, air lines, or the valve block.
  • Estimated Cost to Fix: $300 - $2000+
  • Recalls: None Found
• Worn Shock Absorbers/Struts
  • Description/Symptoms: Excessive bouncing, poor handling, and uneven tire wear.
  • Solution: Replacement of the worn shock absorbers or struts.
  • Estimated Cost to Fix: $200 - $1000+
  • Recalls: None Found

Electrical

• Sensor Failures
  • Description/Symptoms: Numerous engine and system warning lights on the dashboard and inaccurate readings from various sensors.
  • Solution: Diagnosis of the faulty sensor(s) and replacement.
  • Estimated Cost to Fix: $100 - $500+ per sensor
  • Recalls: None Found
• Wiring Harness Issues
  • Description/Symptoms: Intermittent electrical problems, such as lights flickering or systems malfunctioning. This can be caused by chafed or damaged wiring harnesses.
  • Solution: Repair or replacement of the damaged wiring harness.
  • Estimated Cost to Fix: $200 - $2000+
  • Recalls: None Found

Exterior

• Door Mechanism Malfunctions
  • Description/Symptoms: Doors failing to open or close properly.
  • Solution: Repair or replacement of the door actuators or components.
  • Estimated Cost to Fix: $200 - $1000+ per door
  • Recalls: None Found

Interior

• HVAC System Problems
  • Description/Symptoms: The HVAC system may not provide adequate heating or cooling.
  • Solution: Repair or replacement of the HVAC components.
  • Estimated Cost to Fix: $300 - $2000+
  • Recalls: None Found

Summary:

The 2017 Mercedes-Benz Viale BRT, while known for its robust design and suitability for BRT systems, faces common issues associated with heavy-duty vehicles. Engine problems such as DPF issues and turbocharger failures can lead to significant downtime and repair costs. Transmission problems with the ZF automatic can also result in substantial expenses. Suspension and electrical issues, while generally less severe, can contribute to overall maintenance costs. The severity of these issues varies depending on usage, maintenance practices, and environmental conditions. Repair costs can range from a few hundred dollars for sensor replacements to several thousand for engine or transmission overhauls, making diligent maintenance crucial for minimizing downtime and maximizing the vehicle’s lifespan.