300SEL (126.025) L6-3.0L (103.981) (1988)
Parts Information
For Recommended Labor Times see Warranty Time Guide
Operation: Block heater, subsequent installation
B. Engine 119 (Model 500SL)
1.
Lift vehicle.
2.
Remove lower engine panel.
3.
Drain engine coolant at lower right radiator fitting. Drain coolant into a suitable container for reuse later.
4.
Remove secondary air injection elbow below core plug (5 mm Allen screws) and move aside.
5.
Remove core plug (arrow, Figure 1, [behind A/C compressor]) with a 22 mm 6-point socket insert.
6.
Install block heater (arrow, Figure 2) using the rubber O-ring from the installation kit and not the alloy washer supplied. Tighten block heater
using a 46 mm socket.
Tightening torque: 70 Nm