Mercedes-Benz Recall 22V-168: Engine and engine cooling – software

Affected: 2008–2009 Mercedes-Benz C300, 2008 Mercedes-Benz C350, 2009 Mercedes-Benz CLK550 and 5 more. Filed with NHTSA on March 18, 2022, covering about 22 vehicles.

The problem

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2010 E350, 2014 G550, 2008-2009 C300, 2008 C350, 2009 CLK550, 2007 SL550, SLK280, and 2008 SLK350 vehicles. Various control units may have been updated with incorrect software configuration during a service repair. This can result in various system failures, such as loss of drive power, reduced exterior lighting, or loss of dynamic control functions, including stability and traction control.

The risk

Various system failures, such as loss of drive power, reduced exterior lighting, or loss of dynamic control functions including stability and traction control, can increase the risk of a crash.

The fix

Dealers will update the software configuration on the affected control units, free of charge. Owner notification letters were mailed May 3, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022040003.

Recall details

NHTSA campaign22V-168 (22V168000)
Manufacturer number2022040003
ManufacturerMercedes-Benz USA, LLC
ComponentEngine and engine cooling › Engine › Engine control module (ECU/ECM) › Software
Report dateMarch 18, 2022
Owners notifiedMay 3, 2022
Vehicles affected22
Initiated byManufacturer

Vehicles covered

Owner complaints about the engine & cooling

Frequently asked questions

Is the recall 22V-168 repair free?

Yes. Mercedes-Benz dealers will fix the problem at no cost: Dealers will update the software configuration on the affected control units, free of charge. Owner notification letters were mailed May 3, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022040003.

How do I know if my car is included?

Not every vehicle of the listed model years is affected — the recall covers 22 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.