🚨 2018 Mercedes-Benz SLC300 R172: Emergency Neutral
The R172 SLC uses a center console-mounted electronic gear selector lever with Mercedes' Direct Select system and electronic shift interlock.
🧰 Drafted with AI under the editorial review of Chris Hackleman & Jeff Moore — cross-check against your owner’s manual when possible.
⚠️ Chock the wheels first — neutral means the car can roll. Set the parking brake while you work, never stand downhill of the vehicle, and try a 12-volt jump before any override: power fixes most stuck-in-park problems instantly.
The procedure
- Ensure the vehicle is on a level surface and apply the parking brake firmly
- Locate the shift lock override slot on the right side of the shifter base, covered by a small rectangular cap
- Use a flathead screwdriver or similar tool to carefully pry off the override cap
- Insert a flathead screwdriver or the emergency key blade into the override slot
- While pressing down firmly on the override mechanism, press the brake pedal (if 12V power is available) and move the shifter to N
- If no electrical power is available, continue holding the override down while physically moving the shifter lever toward N position with moderate force
Shift-lock override location
Right side of the shifter base, under a small rectangular plastic cap approximately 15mm x 10mm
With zero electrical power
With zero 12V power, the shifter will be more resistant to movement even with the override pressed. You may need to apply steady pressure while holding the override mechanism down. The transmission will mechanically release but requires deliberate force. If the steering lock is engaged, the steering wheel will remain locked but the vehicle can still roll in neutral.