Owner's Manual
Page 432
...CR 2025 or equivalent. i When replacing batteries, always replace both batteries. The required replacement batteries are available at an authorized Mercedes-Benz Center. i When inserting the batteries, make sure they are clean and free of children. Practical hints Replacing SmartKey ...is swallowed, seek medical help immediately. Many states require sellers of batteries to unlatch battery compartment 3. 431 Using mechanical key 1, push gray slide 2 to accept old batteries for recycling. 1 Mechanical key 2 Slide 3 Battery compartment Insert the mechanical key 1 in side opening...
...CR 2025 or equivalent. i When replacing batteries, always replace both batteries. The required replacement batteries are available at an authorized Mercedes-Benz Center. i When inserting the batteries, make sure they are clean and free of children. Practical hints Replacing SmartKey ...is swallowed, seek medical help immediately. Many states require sellers of batteries to unlatch battery compartment 3. 431 Using mechanical key 1, push gray slide 2 to accept old batteries for recycling. 1 Mechanical key 2 Slide 3 Battery compartment Insert the mechanical key 1 in side opening...