TSB: MERCEDES BENZ ALL MODELS, R320, SL231, SL500, SL500R, SL55, SL550, SL600, SL63 AMG, SL65 (2003–2013)

Bulletin LI91.29-P-059366 — July 10, 2014

Bulletin Details

Bulletin IDLI91.29-P-059366
ManufacturerMERCEDES BENZ
ModelsALL MODELS, R320, SL231, SL500, SL500R, SL55, SL550, SL600, SL63 AMG, SL65
Model Years2003–2013
Date IssuedJuly 10, 2014
Date Added to NHTSAApril 5, 2022
ComponentELECTRICAL SYSTEM
Vehicles Affected91 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

Complaint Airscarf nonfunctional, fuse may have triggered. Cause The electrical wiring harness is trapped between the height adjustment gearing and the cushion frame. Remedy Check the electrical wiring harness for damage (see Seat 004

Affected Vehicles

MakeModelYearComponent
MERCEDES-BENZ R320 2013 160000 STRUCTURE
MERCEDES-BENZ R320 2013 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL231 2012 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL231 2012 220000 SEATS
MERCEDES-BENZ SL231 2011 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL231 2011 220000 SEATS
MERCEDES-BENZ SL550 2011 220000 SEATS
MERCEDES-BENZ SL550 2011 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ R320 2010 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ R320 2010 160000 STRUCTURE
MERCEDES-BENZ R320 2009 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ R320 2009 160000 STRUCTURE
MERCEDES-BENZ SL500 2009 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL500 2009 220000 SEATS
MERCEDES-BENZ SL55 2009 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL55 2009 220000 SEATS
MERCEDES-BENZ SL550 2009 220000 SEATS
MERCEDES-BENZ SL550 2009 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL600 2009 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL600 2009 220000 SEATS
MERCEDES-BENZ SL63 AMG 2009 220000 SEATS
MERCEDES-BENZ SL63 AMG 2009 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL65 2009 220000 SEATS
MERCEDES-BENZ SL65 2009 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ R320 2008 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ R320 2008 160000 STRUCTURE
MERCEDES-BENZ SL500 2008 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL500 2008 220000 SEATS
MERCEDES-BENZ SL55 2008 220000 SEATS
MERCEDES-BENZ SL55 2008 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL550 2008 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL550 2008 220000 SEATS
MERCEDES-BENZ SL600 2008 220000 SEATS
MERCEDES-BENZ SL600 2008 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL63 AMG 2008 220000 SEATS
MERCEDES-BENZ SL63 AMG 2008 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL65 2008 220000 SEATS
MERCEDES-BENZ SL65 2008 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ R320 2007 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ R320 2007 160000 STRUCTURE
MERCEDES-BENZ SL500 2007 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL500 2007 220000 SEATS
MERCEDES-BENZ SL55 2007 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL55 2007 220000 SEATS
MERCEDES-BENZ SL550 2007 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL550 2007 220000 SEATS
MERCEDES-BENZ SL600 2007 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL600 2007 220000 SEATS
MERCEDES-BENZ SL63 AMG 2007 220000 SEATS
MERCEDES-BENZ SL63 AMG 2007 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL65 2007 220000 SEATS
MERCEDES-BENZ SL65 2007 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ R320 2006 160000 STRUCTURE
MERCEDES-BENZ R320 2006 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL500 2006 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL500 2006 220000 SEATS
MERCEDES-BENZ SL55 2006 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL55 2006 220000 SEATS
MERCEDES-BENZ SL600 2006 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL600 2006 220000 SEATS
MERCEDES-BENZ SL65 2006 220000 SEATS
MERCEDES-BENZ SL65 2006 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ R320 2005 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ R320 2005 160000 STRUCTURE
MERCEDES-BENZ SL500 2005 220000 SEATS
MERCEDES-BENZ SL500 2005 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL55 2005 220000 SEATS
MERCEDES-BENZ SL55 2005 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL600 2005 220000 SEATS
MERCEDES-BENZ SL600 2005 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL65 2005 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL65 2005 220000 SEATS
MERCEDES-BENZ SL500 2004 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL500 2004 220000 SEATS
MERCEDES-BENZ SL55 2004 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL55 2004 220000 SEATS
MERCEDES-BENZ SL600 2004 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL600 2004 220000 SEATS
MERCEDES-BENZ SL65 2004 220000 SEATS
MERCEDES-BENZ SL65 2004 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL500 2003 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL500 2003 220000 SEATS
MERCEDES-BENZ SL500R 2003 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL500R 2003 220000 SEATS
MERCEDES-BENZ SL55 2003 220000 SEATS
MERCEDES-BENZ SL55 2003 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL600 2003 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL600 2003 220000 SEATS
MERCEDES-BENZ SL65 2003 110000 ELECTRICAL SYSTEM
MERCEDES-BENZ SL65 2003 220000 SEATS
MERCEDES-BENZ ALL MODELS 114000 ELECTRICAL SYSTEM:WIRING

Related MERCEDES BENZ Recalls

CampaignModelYearComponentSummary
GLS 450 4MATIC 2026 AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE ...
GLE 580 4MATIC 2026 AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE ...
AMG GLS63 4MATIC 2026 AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE ...
AMG GLE63 S 4MATIC 2026 AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE ...
GLE 450E 4MATIC 2026 AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE ...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized MERCEDES BENZ dealer. Bring this bulletin ID (LI91.29-P-059366) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.