Mercedes-Benz SLK320 won't shift out of 2nd gear on Mercedes-Benz SLK320

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mercedes-Benz SLK320 owners report experiencing difficulties when their vehicle won't shift out of 2nd gear, which can indicate underlying transmission issues. These problems may include symptoms such as slipping or hesitation, suggesting that the transmission might be malfunctioning. Additionally, owners should check transmission fluid levels, as low or dirty fluid can contribute to shifting problems. Some owners find that a malfunctioning transmission control module is the culprit, and a diagnostic scan is recommended to identify this issue. Furthermore, issues with solenoids can also lead to gear shifting problems, necessitating inspection and potential replacement of faulty components. Lastly, damaged mechanical components within the transmission system, like the torque converter or clutch, may require professional inspection. It is advisable for owners experiencing these issues to consult a qualified mechanic or dealership for proper diagnosis and resolution.

1 person reported this problem
0 comments
Schedule Repair

Mercedes-Benz SLK320 vehicles with this problem

0 model year affected

Search for another problem

RepairPal Car Genius

Ask our experts about your Mercedes-Benz.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Call us at 877-913-1554

Available 9am – 6pm ET Monday through Friday

Call Our Experts