Coolant pump electrical line may chafe
Defect Summary
Mercedes-benz usa, llc. (mbusa) is recalling certain 2019 cls 450 coupe and cls 450 coupe 4matic vehicles equipped with 6-cylinder gasoline engines. the electrical line that supplies power to the engine coolant pump may contact the engine fan and chafe, possibly causing a malfunction of the coolant pump or a deactivation of the 48v on-board electrical system.
Safety Consequence
A malfunctioning engine coolant pump can increase coolant temperatures, possibly leading to an engine stall. deactivation of the 48v on-board electrical system can cause the vehicle to not restart after using the eco start/stop function or "glide" mode. either of these scenarios can increase the risk of a crash.
Corrective Action
Mbusa will notify owners, and dealers will inspect the coolant pump electrical line for damage, repairing it and rerouting it as necessary, free of charge. the recall began november 1, 2019. owners may contact mbusa customer service at 1-800-367-6372. mbusa's number for this recall is 2019090019.
Similar Recalls
Other recalls from Mercedes-benz Usa, Llc or involving Electrical System.
FAQ: Recall 19V605000
Your rights, the repair process, and what each field on this page means.
What is recall 19V605000?
NHTSA recall 19V605000 was issued by Mercedes-benz Usa, Llc on August 16, 2019. It addresses: Coolant pump electrical line may chafe. The recall affects approximately 3,264 vehicles, with the defect involving the Electrical System component.
How do I get this recall repaired?
Contact any authorized Mercedes-benz Usa, Llc dealer and reference NHTSA recall ID 19V605000 or the manufacturer campaign number 2019090019. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.