Understanding the Braking System Issue
Owners of affected 2016 Smart ForTwo vehicles have reported a concerning handling characteristic where the vehicle pulls noticeably to the right during braking maneuvers. This condition occurs due to an unexpected software behavior in the Electronic Stability Program (ESP) control module, which manages:
- Anti-lock braking system (ABS) functionality
- Traction control responses
- Vehicle stability management
- Brake force distribution
How the Software Glitch Affects Driving
The flawed software algorithm can cause uneven brake pressure application, particularly during:
- Moderate to hard braking situations
- Wet or slippery road conditions
- Cornering while braking
- Downhill braking scenarios
Affected Vehicle Details
This service bulletin specifically applies to:
- Model: 2016 Smart ForTwo (third generation, Model 453)
- Production Period: Vehicles manufactured between June 2015 and March 2016
- Market: North American-specification vehicles
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Official Repair Solution
Mercedes-Benz technicians will perform the following corrective action:
- Connect the vehicle to Mercedes-Benz diagnostic systems
- Identify current ESP software version
- Download and install updated control module software
- Verify proper system operation through test drive
- Document the repair in vehicle service records
The entire procedure typically takes 45-90 minutes and doesn't require physical part replacement in most cases.
Warranty Coverage Information
This repair is performed free of charge under Smart's new-vehicle warranty, which covers:
- 4 years/50,000 miles (whichever occurs first) in the U.S.
- 4 years/80,000 km in Canada
- All labor and diagnostic time
- Software updates and related procedures
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Owner Action Required
If you suspect your vehicle may be affected, follow these steps:
1. Verify Your Vehicle's Status
Contact an authorized Smart dealership with your 17-digit VIN (found on your registration or driver's side dashboard).
2. Schedule Your Repair
Request an appointment for "Service Bulletin 2016010012" or "ESP software update." Most dealers can accommodate same-week service.
3. Alternative Verification Methods
- Smart Customer Assistance: 800-762-7887
- NHTSA Vehicle Safety Hotline: 888-327-4236
- Online VIN check via MotorVero's dealer locator tool
Why This Repair Matters
While the condition may seem minor, unaddressed ESP issues can lead to:
- Increased stopping distances
- Reduced vehicle stability in emergencies
- Uneven brake pad wear
- Potential loss of control in adverse conditions
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Finding Qualified Service Centers
Use MotorVero's service center finder to locate authorized Smart dealerships with:
- Factory-trained technicians
- Genuine Mercedes-Benz diagnostic equipment
- Latest software update capabilities
- Warranty-approved service bays
Beyond This Service Bulletin
Manufacturers regularly issue technical service bulletins (TSBs) to address:
- Software improvements
- Component durability updates
- Manufacturing process corrections
- Service procedure clarifications
Regularly check for updates through:
- Manufacturer owner portals
- NHTSA recall database
- Trusted automotive resources like MotorVero
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Distinguishing Between Recalls and TSBs
Unlike safety recalls, service bulletins are proactive improvements rather than mandatory repairs. However, addressing them:
- Maintains optimal vehicle performance
- Prevents potential future issues
- Preserves resale value
- Ensures warranty compliance
Expert Recommendations
For Smart ForTwo owners, we recommend:
- Complete this software update at your earliest convenience
- Request a brake system inspection during service
- Ask the technician to verify all other outstanding TSBs
- Maintain documentation of all warranty services
