TSB: MERCEDES BENZ AMG ML63, CL550, CL63, CLE 63S, CLS550, CLS63, CLS63S, E550, E63, E63S AMG, G550, G63, GL550, GLE550E, GLE63S, ML550, ML63, S550, S550 4MATIC, SL550 (2011–2016)

Bulletin CL-ELWExhaustVal — March 30, 2023

Bulletin Details

Bulletin IDCL-ELWExhaustVal
ManufacturerMERCEDES BENZ
ModelsAMG ML63, CL550, CL63, CLE 63S, CLS550, CLS63, CLS63S, E550, E63, E63S AMG, G550, G63, GL550, GLE550E, GLE63S, ML550, ML63, S550, S550 4MATIC, SL550
Model Years2011–2016
Date IssuedMarch 30, 2023
Date Added to NHTSAApril 5, 2023
ComponentENGINE AND ENGINE COOLING
Vehicles Affected77 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

Why the warranty extension? On certain Model Year 2011-2016 CL/CLS/S/E/ML/SL/G/GL/GLE-Class vehicles with V8 engines, the exhaust valve assembly might not work properly and result in an engine misfire and potential illumination of the ch

Affected Vehicles

MakeModelYearComponent
MERCEDES-BENZ CLE 63S 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63S 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G550 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G63 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL550 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLE550E 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLE63S 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 4MATIC 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL550 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG ML63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63S 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63S AMG 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G63 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ ML550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL550 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG ML63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63S 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63S AMG 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G63 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ ML550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL550 2014 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG ML63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63S AMG 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G63 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ ML550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL550 2013 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG ML63 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL63 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS63 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ ML550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2012 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG ML63 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL550 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CL63 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ CLS550 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ G550 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GL550 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ ML550 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ ML63 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ S550 2011 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SL550 2011 060000 ENGINE AND ENGINE COOLING

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 (CL-ELWExhaustVal) 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.