2021 Mercedes-Benz Sprinter

The 2021 Mercedes-Benz Sprinter is a versatile van popular for commercial and recreational purposes. It is available in various configurations, including cargo van, passenger van, and chassis cab. Engine options include a 2.0L turbocharged four-cylinder diesel producing 161 hp and 266 lb-ft of torque, and a 3.0L turbo diesel V6 generating 188 hp and 325 lb-ft of torque. The gas engine is paired with a 9-speed automatic transmission, while the diesel engines come with a 7-speed automatic transmission. Owners appreciate the Sprinter’s spacious cargo area, comfortable ride, and customizable options. Common complaints include the van’s higher price point compared to competitors and occasional issues with electronic components.

Engine

2.0L Turbocharged Four-Cylinder Diesel

• No Issues Found

3.0L Turbo Diesel V6

• DEF (Diesel Exhaust Fluid) System Problems
  • Description/Symptoms: “Check Engine” light illuminated, accompanied by codes related to the DEF system, such as insufficient DEF quality or malfunctioning DEF injector. Reduced engine power or limp mode may occur.
  • Solution: Diagnosis of the specific DEF system component causing the issue (e.g., DEF injector, DEF pump, DEF level sensor). Replacement of the faulty component and potential software update.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Transmission

7-Speed Automatic (paired with Diesel Engines)

• Rough or Delayed Shifting
  • Description/Symptoms: Hesitation or harshness during gear changes, particularly between certain gears. The transmission might feel jerky or exhibit noticeable delays when shifting.
  • Solution: Initially, a transmission fluid flush and software update might resolve the issue. However, in more severe cases, valve body replacement or transmission rebuild/replacement may be necessary.
  • Estimated Cost to Fix: $200 (fluid flush) - $5,000+ (rebuild/replacement)
  • Recalls: None Found

Suspension

• Rear Suspension Sag
  • Description/Symptoms: Sagging of the rear suspension, especially when loaded with cargo. This can lead to reduced ride height, compromised handling, and uneven tire wear.
  • Solution: Inspection of the leaf springs and replacement with heavy-duty or upgraded springs to better handle the vehicle’s load capacity. Air suspension systems might require repair or replacement of air springs or compressors.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found

Electrical

• Sensor Malfunctions
  • Description/Symptoms: Dashboard warning lights illuminate due to faulty sensors. Sensors such as ABS, speed, and air pressure sensors may cause issues.
  • Solution: Replace faulty sensor.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Glow Plug Failure
  • Description/Symptoms: Difficult starting, especially in cold weather. The “Check Engine” light may illuminate. Faulty glow plugs can cause rough idling and increased emissions.
  • Solution: Diagnosis of the faulty glow plug(s) and replacement. This often involves replacing all glow plugs as a preventative measure.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Exterior

• Sliding Door Issues
  • Description/Symptoms: Difficulty opening or closing the sliding door. The door might stick, bind, or require excessive force to operate. Issues with the door latching mechanism or roller system may be present.
  • Solution: Lubrication of the door tracks and rollers. Adjustment or replacement of the door latching mechanism or rollers.
  • Estimated Cost to Fix: $100 - $800+
  • Recalls: None Found

Interior

• HVAC Fan Motor Failure
  • Description/Symptoms: The HVAC fan stops working or only works on certain speed settings. Unusual noises from the fan motor area may also be present.
  • Solution: Replacement of the faulty HVAC fan motor. Resistor replacement.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found
• Malfunctioning Navigation/Infotainment System
  • Description/Symptoms: System freezes, reboots randomly, or displays error messages. Navigation may be inaccurate, and connectivity issues with Bluetooth or smartphone integration may occur.
  • Solution: Software updates, replacement of head unit.
  • Estimated Cost to Fix: $100 - $2,000+
  • Recalls: None Found

Summary

The 2021 Mercedes-Benz Sprinter, while lauded for its versatility and comfort, exhibits some common issues. Electrical problems, especially sensor malfunctions, and DEF system problems are common, potentially leading to illuminated warning lights and performance issues. Interior problems often relate to the navigation system and HVAC system. Sliding door malfunctions and rear suspension sag are also common, especially when heavily loaded. Repairs can range from a few hundred dollars for minor fixes to several thousand for major component replacements. Overall, owners should be aware of these potential issues and maintain their Sprinter to mitigate potential issues.