2018 Mercedes-Benz SL550
Mileage
30,587
Service Date
2/12/2026
Services Performed
- Powertrain scanned and fault codes recorded ( P035849, P30885, P30058). Further diagnosis led to pinpoint cylinders #5 & #8 misfire. All cylinders compression pressure are within specs. Recommend new spark plugs and ignition coils on all cylinders.
- Remove and replace all spark plugs and ignition coils. Added 300ml DI JECTRONIC fuel injection system cleaner. Reset ECU and road test vehicle to run and complete emission monitors and verify successful repairs.
MIKE W. gave our service a 5 star review on 2/13/2026
