TSB: MERCEDES-BENZ A220, AMG A35, AMG A45, AMG C43, AMG C63, AMG C63 S, AMG CLA35, AMG CLA45, AMG CLS53, AMG E53, AMG E63, AMG E63S, AMG G63, AMG GLA45, AMG GLB35, AMG GLC43, AMG GLC63, AMG GLC63 S, AMG GLE43, AMG GLE63, AMG GLS63, AMG GT, AMG GT 63, AMG GT C, AMG GT R, AMG GT S, AMG GT43, AMG GT53, AMG GT63, AMG GT63S, AMG S63, AMG SL63, AMG SLC43, C300, C350, C350E, CLA250, CLS450, E350, E450, E63 AMG, EQC 400, G550, G63, GLA250, GLB200, GLB250, GLC300, GLC350, GLC350E, GLC63, GLE350, GLE350 E, GLE450, GLE580, GLS450, GLS580, METRIS, S450, S550, S560, S560E, S65 AMG, SL450, SL550, SLC300, SPRINTER (VS30), SPRINTER 1500, SPRINTER 2500, SPRINTER 3500, SPRINTER 4500 (2020)

Bulletin LI20.20-P-073274 — July 8, 2021

Bulletin Details

Bulletin IDLI20.20-P-073274
ManufacturerMERCEDES-BENZ
ModelsA220, AMG A35, AMG A45, AMG C43, AMG C63, AMG C63 S, AMG CLA35, AMG CLA45, AMG CLS53, AMG E53, AMG E63, AMG E63S, AMG G63, AMG GLA45, AMG GLB35, AMG GLC43, AMG GLC63, AMG GLC63 S, AMG GLE43, AMG GLE63, AMG GLS63, AMG GT, AMG GT 63, AMG GT C, AMG GT R, AMG GT S, AMG GT43, AMG GT53, AMG GT63, AMG GT63S, AMG S63, AMG SL63, AMG SLC43, C300, C350, C350E, CLA250, CLS450, E350, E450, E63 AMG, EQC 400, G550, G63, GLA250, GLB200, GLB250, GLC300, GLC350, GLC350E, GLC63, GLE350, GLE350 E, GLE450, GLE580, GLS450, GLS580, METRIS, S450, S550, S560, S560E, S65 AMG, SL450, SL550, SLC300, SPRINTER (VS30), SPRINTER 1500, SPRINTER 2500, SPRINTER 3500, SPRINTER 4500
Model Years2020
Date IssuedJuly 8, 2021
Date Added to NHTSAAugust 4, 2021
ComponentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
Vehicles Affected213 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

Coolant warning in instrument cluster - Leak in coolant line

Affected Vehicles

MakeModelYearComponent
MERCEDES-BENZ A220 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ A220 2020 350000 EQUIPMENT
MERCEDES-BENZ A220 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG A35 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG A35 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG A35 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG A45 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG A45 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG A45 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG C43 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG C43 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG C43 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG C63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG C63 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG C63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG C63 S 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG C63 S 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG C63 S 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG CLA35 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG CLA35 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG CLA35 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG CLA45 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG CLA45 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG CLA45 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG CLS53 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG CLS53 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG CLS53 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG E53 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG E53 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG E53 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG E63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG E63 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG E63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG E63S 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG E63S 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG E63S 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG G63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG G63 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG G63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GLA45 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GLA45 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GLA45 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GLB35 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GLB35 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GLB35 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GLC43 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GLC43 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GLC43 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GLC63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GLC63 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GLC63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GLC63 S 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GLC63 S 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GLC63 S 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GLE43 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GLE43 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GLE43 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GLE63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GLE63 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GLE63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GLS63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GLS63 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GLS63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GT 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GT 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GT 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GT 63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GT 63 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GT 63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GT C 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GT C 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GT C 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GT R 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GT R 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GT R 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GT S 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GT S 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GT S 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GT43 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GT43 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GT43 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GT53 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GT53 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GT53 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GT63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GT63 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GT63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG GT63S 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG GT63S 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG GT63S 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG S63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG S63 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG S63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG SL63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG SL63 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG SL63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ AMG SLC43 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ AMG SLC43 2020 350000 EQUIPMENT
MERCEDES-BENZ AMG SLC43 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ C300 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ C300 2020 350000 EQUIPMENT
MERCEDES-BENZ C300 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ C350 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ C350 2020 350000 EQUIPMENT
MERCEDES-BENZ C350 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ C350E 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ C350E 2020 350000 EQUIPMENT
MERCEDES-BENZ C350E 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ CLA250 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ CLA250 2020 350000 EQUIPMENT
MERCEDES-BENZ CLA250 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ CLS450 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ CLS450 2020 350000 EQUIPMENT
MERCEDES-BENZ CLS450 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ E350 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ E350 2020 350000 EQUIPMENT
MERCEDES-BENZ E350 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ E450 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ E450 2020 350000 EQUIPMENT
MERCEDES-BENZ E450 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ E63 AMG 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ E63 AMG 2020 350000 EQUIPMENT
MERCEDES-BENZ E63 AMG 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ EQC 400 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ EQC 400 2020 350000 EQUIPMENT
MERCEDES-BENZ EQC 400 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ G550 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ G550 2020 350000 EQUIPMENT
MERCEDES-BENZ G550 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ G63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ G63 2020 350000 EQUIPMENT
MERCEDES-BENZ G63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLA250 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLA250 2020 350000 EQUIPMENT
MERCEDES-BENZ GLA250 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLB200 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLB200 2020 350000 EQUIPMENT
MERCEDES-BENZ GLB200 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLB250 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLB250 2020 350000 EQUIPMENT
MERCEDES-BENZ GLB250 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLC300 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLC300 2020 350000 EQUIPMENT
MERCEDES-BENZ GLC300 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLC350 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLC350 2020 350000 EQUIPMENT
MERCEDES-BENZ GLC350 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLC350E 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLC350E 2020 350000 EQUIPMENT
MERCEDES-BENZ GLC350E 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLC63 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLC63 2020 350000 EQUIPMENT
MERCEDES-BENZ GLC63 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLE350 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLE350 2020 350000 EQUIPMENT
MERCEDES-BENZ GLE350 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLE350 E 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLE350 E 2020 350000 EQUIPMENT
MERCEDES-BENZ GLE350 E 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLE450 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLE450 2020 350000 EQUIPMENT
MERCEDES-BENZ GLE450 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLE580 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLE580 2020 350000 EQUIPMENT
MERCEDES-BENZ GLE580 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLS450 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLS450 2020 350000 EQUIPMENT
MERCEDES-BENZ GLS450 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ GLS580 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ GLS580 2020 350000 EQUIPMENT
MERCEDES-BENZ GLS580 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ METRIS 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ METRIS 2020 350000 EQUIPMENT
MERCEDES-BENZ METRIS 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ S450 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ S450 2020 350000 EQUIPMENT
MERCEDES-BENZ S450 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ S550 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ S550 2020 350000 EQUIPMENT
MERCEDES-BENZ S550 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ S560 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ S560 2020 350000 EQUIPMENT
MERCEDES-BENZ S560 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ S560E 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ S560E 2020 350000 EQUIPMENT
MERCEDES-BENZ S560E 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ S65 AMG 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ S65 AMG 2020 350000 EQUIPMENT
MERCEDES-BENZ S65 AMG 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ SL450 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ SL450 2020 350000 EQUIPMENT
MERCEDES-BENZ SL450 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ SL550 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ SL550 2020 350000 EQUIPMENT
MERCEDES-BENZ SL550 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ SLC300 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ SLC300 2020 350000 EQUIPMENT
MERCEDES-BENZ SLC300 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ SPRINTER (VS30) 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ SPRINTER (VS30) 2020 350000 EQUIPMENT
MERCEDES-BENZ SPRINTER (VS30) 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ SPRINTER 1500 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ SPRINTER 1500 2020 350000 EQUIPMENT
MERCEDES-BENZ SPRINTER 1500 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ SPRINTER 2500 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ SPRINTER 2500 2020 350000 EQUIPMENT
MERCEDES-BENZ SPRINTER 2500 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ SPRINTER 3500 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ SPRINTER 3500 2020 350000 EQUIPMENT
MERCEDES-BENZ SPRINTER 3500 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
MERCEDES-BENZ SPRINTER 4500 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MERCEDES-BENZ SPRINTER 4500 2020 350000 EQUIPMENT
MERCEDES-BENZ SPRINTER 4500 2020 138700 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS

Related MERCEDES-BENZ Recalls

CampaignModelYearComponentSummary
GLC 300 2026 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER... Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class...
E 450 4MATIC 2026 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER... Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class...
AMG GT43 2026 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER... Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class...
AMG GLC63 S E 4MATIC+ COUPE 2026 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER... Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class...
E 450 4MATIC 2024 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER... Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024-2026 AMG GT, C-Class...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized MERCEDES-BENZ dealer. Bring this bulletin ID (LI20.20-P-073274) 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.