TSB: MERCEDES BENZ AMG E43, AMG E53, AMG E63, AMG E63S, AMG GLC43, AMG GLC63, AMG GLC63 S, AMG SLC43, C200, C220, C250, C250 D, C300, C300 4MATIC, C350, C350E, C400, C450, C63 AMG, C63S AMG, E250, E300, E350, E400, E400 HYBRID, E43 AMG, E450, E550, E63, E63 AMG, E63S, E63S AMG, GLC, GLC300, GLC350, GLC350E, GLC63, GLC63S AMG, SLC 43 AMG, SLC300, SLK250, SLK300, SLK350, SLK55 AMG (2015–2020)

Bulletin ELW -Intake Line — September 22, 2023

Bulletin Details

Bulletin IDELW -Intake Line
ManufacturerMERCEDES BENZ
ModelsAMG E43, AMG E53, AMG E63, AMG E63S, AMG GLC43, AMG GLC63, AMG GLC63 S, AMG SLC43, C200, C220, C250, C250 D, C300, C300 4MATIC, C350, C350E, C400, C450, C63 AMG, C63S AMG, E250, E300, E350, E400, E400 HYBRID, E43 AMG, E450, E550, E63, E63 AMG, E63S, E63S AMG, GLC, GLC300, GLC350, GLC350E, GLC63, GLC63S AMG, SLC 43 AMG, SLC300, SLK250, SLK300, SLK350, SLK55 AMG
Model Years2015–2020
Date IssuedSeptember 22, 2023
Date Added to NHTSAOctober 4, 2023
ComponentENGINE AND ENGINE COOLING
Vehicles Affected113 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

In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (a??MBUSAa??) is extending the coverage for the intake line assembly on your vehicle

Affected Vehicles

MakeModelYearComponent
MERCEDES-BENZ AMG E53 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63S 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC43 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC63 S 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG SLC43 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C300 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C350 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C350E 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E350 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E450 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 AMG 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC300 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC350 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC350E 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC63 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLC300 2020 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E53 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63S 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC43 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC63 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG SLC43 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C300 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C350E 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E300 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E450 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63S 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC300 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC350 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC350E 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC63 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC63S AMG 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLC 43 AMG 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLC300 2019 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E43 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E63S 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC43 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC63 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG SLC43 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C250 D 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C300 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C300 4MATIC 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C350E 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E300 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E400 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E43 AMG 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E63S 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC300 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC350 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC350E 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC63 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC63S AMG 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLC 43 AMG 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLC300 2018 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG E43 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC43 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG SLC43 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C300 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C350 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C350E 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C450 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C63S AMG 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E300 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E350 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E400 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E550 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC300 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLC 43 AMG 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLC300 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLK350 2017 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ AMG GLC43 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C250 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C300 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C350 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C350E 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C450 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C63S AMG 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E250 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E300 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E350 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E400 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 GLC 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ GLC300 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLC300 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLK250 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLK300 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLK350 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLK55 AMG 2016 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C200 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C220 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C250 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C300 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C350 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C400 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C63 AMG 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ C63S AMG 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E250 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E350 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E400 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ E400 HYBRID 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 SLK250 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLK300 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLK350 2015 060000 ENGINE AND ENGINE COOLING
MERCEDES-BENZ SLK55 AMG 2015 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 (ELW -Intake Line) 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.