NHTSA Complaint #11592322 — 2022 MERCEDES-BENZ AMG SL63

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11592322
Vehicle	2022 MERCEDES-BENZ AMG SL63
Component	ENGINE
Date of Incident	May 17, 2024
Date Filed	June 4, 2024
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	VA

Consumer Description

When driven on the highway, speed drops abruptly down (65 mph to 40 mph) stuck on 4 or 3rd gear in this automatic 9 speed transmission and gear won't shift up causing engine rpm rise over 3000 & gas pedal won't have effect even it was pushed down to floor all the way. Almost rear ended in multiple occasion & it is extremely dangerous to change lane to get off to safety as car does not respond to throtle up or gas pedal to speed up. Dealer was not able to duplicate issue in two service visit & this already happened third time in a raw and car is back in dealership for diagnostic. No warning nor malfunction light at all when this happen

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