E 500 (124.036) V8-5.0L (119.974) (1994)
Engine Block Heater: Technical Service Bulletins
Engine Block Heater - Procedures for Installation
REF. NO. MBNA 20/1 2A
DATE: February 1997 (supersedes S.I. MBNA 20/12, February 1992)
TO: ALL MERCEDES-BENZ PASSENGER CAR DEALERS
Revision:
Updated to include model 210.072.
SUBJECT:
Models 124.0341036, 210.072 (With Engine 119) subsequent installation of engine block heater.
Engine block heaters are now available for the above-listed models. The attached Work Instructions no. 275A describes the installation of the block
heater.
Note:
Customers should be advised that installation of a block heater in these models is at the customer's expense.
Group:20
Number: 275A
Date: February 1997 (supersedes W.l. 275 February 1992)
Work Instructions
Revision:
Updated to include model 210.072.
SUBJECT:MODELS 124.0341036, 210.072 (WITH ENGINE 119) SUBSEQUENT INSTALLATION OF Engine BLOCK HEATER
1.
Lift vehicle.
2.
Remove encapsulation panel from below engine and left side encapsulation panel.
3.
Drain engine coolant at drain plug on left side of engine block. Drain coolant into a suitable container for reuse later.
4.
Remove left air duct for engine mount cooling. (models 124.034/036)
Figure 1
5.
Remove core plug (b, Figure 1) with a 22 mm 6-point socket.
6.
Install block heater using rubber O-ring from the installation kit and not the alloy washer supplied. Tighten block heater with a 46 mm socket.
Tightening torque: 70 Nm