2021 Mercedes-Benz Sprinter 3500

Introduction:

The 2021 Mercedes-Benz Sprinter 3500 is a full-size cargo van known for its spacious interior, powerful engine, and advanced safety features. It is powered by a 3.0L V6 turbocharged diesel engine, producing 188 horsepower and 325 lb-ft of torque. The Sprinter 3500 offers a single transmission option, a 7-speed automatic transmission.

Despite its overall reliability, the Sprinter 3500 has experienced various issues reported by owners.

Engine:

• 3.0L V6 Turbocharged Diesel Engine

  • Fuel Injector Failure: Symptoms include rough idling, reduced power, and black smoke from the exhaust. The injectors require replacement, costing approximately $1,000 - $1,500 per injector.
  • Exhaust Gas Recirculation (EGR) System Malfunction: Reduced power, increased fuel consumption, and an illuminated Check Engine light are common symptoms. The EGR valve or system components need repair or replacement, ranging from $500 - $1,500+.

• Turbocharger Failure: Loss of power, excessive smoke, and unusual noises are signs of a failing turbocharger. Replacement costs can vary from $2,000 - $4,000+.

Transmission:

• 7-Speed Automatic Transmission

  • Transmission Slippage: Rough or delayed gear shifting, accompanied by slipping or shuddering, can indicate transmission issues. Repair typically involves rebuilding or replacing the transmission, costing $2,500 - $5,000+.
  • Torque Converter Failure: Symptoms include transmission overheating, slipping, and inability to engage gears. The torque converter needs replacement, costing approximately $1,200 - $2,000.

Suspension:

• Rear Leaf Spring Breakage: Premature breakage of the rear leaf springs can lead to a sagging rear end and reduced load capacity. Leaf spring replacement costs can range from $500 - $1,500 per side.

Electrical:

• Electrical Harness Issues: Faulty wiring or connections can cause various electrical issues, including malfunctioning lights, gauges, and accessories. The extent of repair depends on the location and severity of the issue, with costs ranging from $200 - $1,000+.
• Battery Discharge: Premature battery discharge during storage or overnight can indicate a parasitic drain caused by faulty electrical components. Pinpointing and repairing the source can cost $100 - $500+.

Interior:

• HVAC System Malfunctions: Climate control issues, such as malfunctioning fans, dampers, or compressors, can lead to inadequate heating or cooling. The cost of repairs depends on the affected component and labor involved, ranging from $200 - $1,500+.
• Seat Belt Buckle Issues: Seat belt buckles may fail to latch or release properly, posing a safety hazard. Replacement of the buckles typically costs $100 - $200 each.

Exterior:

• Rear Door Hinge Failure: Excessive weight or improper use can lead to the rear door hinges failing, causing the door to sag or detach. Hinge replacement and labor can cost $500 - $1,000 per door.

Recalls:

• NHTSA Campaign Number 22V004000: Loss of Power Steering Assist

Summary:

While the 2021 Mercedes-Benz Sprinter 3500 is generally a reliable vehicle, owners have reported various issues that can be costly to repair. Engine and transmission problems are among the most severe and expensive, with potential repair costs exceeding $5,000 in some cases. Suspension and electrical issues are less common but can still be disruptive or costly to fix. Overall, potential buyers should be aware of the potential risks associated with these issues before purchasing a Sprinter 3500.