2003 Mercedes SL-Class Owner's Manual - Page 293
2003 Mercedes SL-Class Manual
Page 293 highlights
Practical hints Locking/unlocking in an emergency Changing batteries If the batteries in the key or the KEYLESS-GO* card are discharged, the vehicle can no longer be locked or unlocked. It is recommended to have the batteries replaced at an authorized Mercedes-Benz Center. Warning! i When changing batteries, always replace both batteries. The required replacement batteries are available at any Mercedes-Benz Center. Key Insert the mechanical key in side opening and push gray slide in direction of arrow 2. The battery compartment is unlatched. Pull the battery compartment out of the key housing in direction of arrow 3. Remove the batteries. G Keep the batteries out of reach of children. If a battery is swallowed, seek medical help immediately. Batteries contain materials that can harm the environment if disposed of improperly. Recycling of batteries is the preferred method of disposal. Many states require sellers of batteries to accept old batteries for recycling. 1 Mechanical key 2 Unlatching battery compartment 3 Pulling out battery compartment 4 Mechanical key locking tab Replacement batteries: Lithium, type CR 2025 or equivalent. Remove the mechanical key 1 ( page 290). 5 Battery 6 Contact spring Using a lint-free cloth, insert new batteries under the contact spring with the plus (+) side facing up. Return battery compartment into housing until locked in place. 293