Seeing an error on your Mercedes dashboard is always a concern. Addressing these issues promptly is crucial, as they can affect your vehicle’s safety and performance.
This guide explains the “Front Right Malfunction Service Required” error. We’ll cover what it means, its causes, symptoms, and how to fix it, along with its impact on your car’s safety. Let’s get started!
What Does the “Front Right Malfunction Service Required” Error Mean?
This error points to a problem in the Supplemental Restraint System (SRS), which manages safety features in your Mercedes.
The SRS oversees components like airbags, crash sensors, seatbelt tensioners, and belt force limiters. If any of these fail, the SRS warning light appears on your dashboard.
For the “Front Right” error, the issue lies with the front passenger side, affecting SRS components in that area.
Signs of a Front Right Malfunction
You may notice specific error codes related to this issue. These codes help pinpoint the problem and can be read using an OBD-II scanner.
B007F13 – SRS (ORC177): Indicates an open circuit in the SRS, specifically a faulty emergency tensioning retractor for the front passenger.
B275113 – SRS (ORC177): Points to an open circuit in the wiring for the front passenger side airbag.
B001013 – SRS (ORC177): Shows a wiring issue in the front passenger airbag due to an open circuit.
B001113 – SRS (ORC177): Indicates a fault in the second stage of the front passenger airbag caused by an open circuit.
B001313 – SRS (ORC177): Signals a problem with the passenger knee airbag wiring due to an open circuit.
What Causes This Error?
The most common cause is wiring issues, such as short circuits or high resistance from loose or moving wires.
In some cases, a defective SRS component, like an airbag or tensioner, may need replacement.
Common causes include:
- Defective emergency tensioning retractor
- Damaged wiring harness
- Faulty airbag module
How to Fix the Front Right Malfunction
Start by checking the wiring connections. If a component is visibly damaged, replace it.
Locate the airbag control unit using your car’s electrical schematic (refer to N2/10, plug 1).
Steps to fix:
- Disconnect the 104-pin connector from the airbag control unit.
- Remove any fasteners or cable ties from the connector housing.
- Carefully unwrap the fabric tape from the wiring and secure the harness with a new cable tie.
- Reconnect the 104-pin connector.
- Inspect the 20-pin connector (N2/10, plug 2), a sub-harness of the 104-pin, and secure it with a felt strip.
If the error persists, use an OBD-II scanner to clear the codes.
Does This Error Affect Safety?
Yes, this error can compromise safety. It may prevent airbags or seatbelt tensioners from working properly, posing a risk to you and your passengers.
Have a professional inspect your vehicle immediately.
Frequently Asked Questions
Where is the SRS module located?
It’s typically under the center console between the front seats, but check your vehicle’s schematic for exact placement.
What is a front left SRS malfunction?
This indicates an SRS issue on the driver’s side, affecting the driver’s airbag or seatbelt. A diagnostic scan is needed to identify the specific code.
Is it safe to drive with the SRS light on?
No, driving with the SRS light on is risky. It suggests safety features may not function, so visit a mechanic immediately.
How much does it cost to repair?
Repairs typically range from $300 to $700, depending on the issue and labor. Prioritize safety over cost.
Conclusion
Your safety is paramount. Take the “Front Right Malfunction Service Required” error seriously and address it promptly.
This guide provides DIY steps to troubleshoot the issue. If the problem persists, consult a certified mechanic.
Thanks for reading!
