Close
MENU

Follow us on @Ask_ICAR for daily updates.

Home / Collision Repair News / Non-SRS Wiring Repairs: Mercedes-Benz

Non-SRS Wiring Repairs: Mercedes-Benz

Posted on 17 September 2019 | Share:
| Print Print

What is a non-SRS wiring repair? It is the repairing of an electrical component that is not part of the supplemental restraints system circuit (usually identified by yellow wire looms). As technology increases on vehicles, so does the number of components that utilize electricity. Many of the sensors and modules are becoming smarter and more sensitive. If the wire is too long, the wrong gauge, or spliced in the wrong location it can cause malfunctions in the components that it’s powering. Many OEMs have different restrictions and guidelines for repairing wiring that does not control SRS components. On the other hand, there are OEMs that don’t allow wiring repairs at all, so full harness replacement is the only option.

Per the Mercedes-Benz document - Advantages of Repairing Wiring Harnesses: "If repairs are carried out properly, there is no difference in function or quality between the repaired wiring harness and a brand new one."

Per the Mercedes-Benz document - Repair Methods for Wiring Harnesses: "Individual cases must be analyzed in detail to decide which repair methods can or should be used for wiring harnesses (lines, contacts and connector couplings)."

More information on approved wiring repair methods can be found on the Mercedes-Benz service site under document number AH00. 19-P-1000-04A. You can find this document number by searching the table of contents on the service site.

It is important to read the service and repair manuals to make sure what repairs can be carried out and where, to achieve a complete, safe, and quality repair.

For additional Mercedes-Benz information, check out the Mercedes-Benz OEM Information page.

Additional I-CAR Collision Repair News you may find helpful:

Related I-CAR Courses

Course Wiring and Connector Service and Repairs

  • Your 2025 Favorites: Top Articles Friday, 16 January 2026

    As 2026 rolls in, we can reflect back on what the previous year had to offer. Let's take a look at some of the collision industry information you've been most interested in from this past year....

  • App-Based Connected Services Considerations: Toyota/Lexus Thursday, 15 January 2026

    Have you had the experience where the vehicle notified the owner that it was being moved while it was in your repair facility? App-based connected services are available from many vehicle makers and may...

  • Digital Key Considerations: Toyota/Lexus Thursday, 15 January 2026

    The intermingling of technology and automobiles continues, with digital key offerings from most vehicle makers. Digital keys utilize smartphone technology to expand vehicle access and owner...

  • Nissan/INFINITI Position Statements: Advanced Driver Assistance System Components Thursday, 8 January 2026

    Nissan/INFINITI released position statements on the use of salvaged, aftermarket, and "secondary-market" advanced driver assistance systems (ADAS) components.

  • I-CAR Repairers Realm: RTS 2025 Year In Review - Now Available Tuesday, 6 January 2026

    I-CAR had a discussion on the Repairability Technical Support (RTS) 2025 year in review.

  • Ford On Target 2025: Volume 4 Monday, 5 January 2026

    Ford has released the fourth installment of their On Target publication for 2025.

  • Structural Sectioning Procedures: Ford/Lincoln - UPDATE Friday, 19 December 2025

    Ask I-CAR receives many technical inquiries referring to sectioning. The collision repair industry wants to know where can you section, does the OEM have a sectioning procedure, and where can I find the...

  • Body Repair Manual Symbols: Hyundai Wednesday, 17 December 2025

    While looking at repair procedures in a body repair manual (BRM) you may notice that symbols are used to indicate specific operations or parts to be used during the repair process. Most BRMs provide a...

  • Body Repair Manual Symbols: Genesis Wednesday, 17 December 2025

    While looking at repair procedures in a body repair manual (BRM) you may notice that symbols are used to indicate specific operations or parts to be used during the repair process. Most BRMs provide a...

  • App-Based Connected Services Considerations: BMW Wednesday, 10 December 2025

    Have you had an experience where the vehicle notified the owner that it was being moved while it was in your repair facility? App-based connected services are available from many vehicle makers and...

Top Ten Vehicle Specific Questions

Hyundai Does Hyundai have a sectioning procedure available?
2014 Jeep CherokeeIs there a procedure available for resetting the active headrestt?
Kia Does Kia have a sectioning procedure available?
Chevrolet Does Chevrolet have a warning against sectioning when there is no procedure?
BMW Can I-CAR send me BMW repair procedures?
Honda What does Honda say about repairing damaged SRS wiring harnesses?
Hyundai Does Hyundai have part replacement procedures available?
Mercedes-Benz Can I-CAR send me Mercedes-Benz repair procedures?
Honda What does Honda say about straightening front lower rails?
Subaru Do you have to replace a front passenger airbag on a Subaru even if the airbag did not deploy? The repair information seems to indicate that it should.

Top Ten I-CAR Specific Questions

What does I-CAR say about using a recycled quarter panel assembly that includes the inner, outer, and reinforcements?
What does I-CAR say about repair tolerances?
What does I-CAR say about replacing suspension parts in pairs?
What does I-CAR say about straightening a kink?
What does I-CAR say about the decision to use recycled parts?
What does I-CAR say about repairing damaged door intrusion beams?
Can I-CAR General Sectioning Guidelines be used?
What does I-CAR say about repairing damaged bumper reinforcements?
What does I-CAR say about disconnecting the battery prior to welding on the vehicle, specifically in regards to airbags?
What does I-CAR say about using recycled airbags?