Mercedes-Benz Sprinter key battery
W907
2018–2024How to change a remote head key battery
- Look for a small screw or a slot along the seam of the plastic head. Undo the screw if there is one.
- Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot and twist gently to part the head. Keep it off the circuit board and contacts.
- Note which way up the old cell sits before you lift it out. It varies by key, so don't assume + is up.
- Fit a new CR2032 the same way up, holding it by the edges. Leave any grease on the contacts.
- Clip the case back together and test the buttons at the car. Most keys work straight away with no reprogramming.
- Keep new and old cells away from children. A swallowed button battery can cause serious injury within two hours.
How to change a smart key battery
- Slide the release catch and pull out the emergency key blade.
- Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot the blade leaves and twist gently to part the case. Keep it off the circuit board and contacts.
- Note which way up the old cell sits before you lift it out. It varies by key, so don't assume + is up.
- Fit a new CR2032 the same way up, holding it by the edges. Leave any grease on the contacts.
- Clip the case back together and test the buttons at the car. Most keys work straight away with no reprogramming.
- Keep new and old cells away from children. A swallowed button battery can cause serious injury within two hours.
W906 NCV3
2014–2018- Fixed remoteCR2025
How to change a fixed remote battery
- Find the slot or screw on the edge or back of the remote. Undo the screw if there is one.
- Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot and twist gently to open the case. Keep it off the circuit board and contacts.
- Note which way up the old cell sits before you lift it out. It varies by key, so don't assume + is up.
- Fit a new CR2025 the same way up, holding it by the edges. Leave any grease on the contacts.
- Clip the case back together and test the buttons at the car. Most keys work straight away with no reprogramming.
- Keep new and old cells away from children. A swallowed button battery can cause serious injury within two hours.
W906
2006–2018- Flip remoteCR2032
For locksmiths · W907
- KeysRemote head key · Smart key
- Tools confirmed6
- Transponder chipSubscribers
- Programming procedureSubscribers
Questions
Mercedes-Benz Sprinter key battery questions
W907 (2018–2024): CR2032 in the remote head key and smart key. W906 NCV3 (2014–2018): CR2025 in the fixed remote. W906 (2006–2018): CR2032 in the flip remote.