1997 MERCEDES-BENZ ML320 Complete Repair Manual

Page 2225 of 4133

MERCEDES-BENZ ML320 1997  Complete Repair Manual Fig. 45: Identifying Harmonics - Positive Diode Defective  
Fig. 46: Identifying Diode Harmonics OK
 
REPLACE SPARK PLUGS - AP15.10-P-1580GH 
ENGINE 112.942 in MODEL 163.154     
ENGINE 112.970 in MOD

Page 2226 of 4133

MERCEDES-BENZ ML320 1997  Complete Repair Manual Fig. 47: Identifying Spark Plugs And Cylinder 4 Ignition Coil 
  
Remove/install and 
replacing
  
 Risk of death due to 
contact with high-voltage 
conductive partsDo not touch parts which 
conduct h

Page 2227 of 4133

MERCEDES-BENZ ML320 1997  Complete Repair Manual  Spark plugs   
Fig. 48: Identifying Spark Plug Wrench (112 589 01 09 00)
  
Fig. 49: Identifying Open
-End Wrench, Double (110 589 01 01 00)
connectors, ignition coil  
connectors and ignition  
line

Page 2228 of 4133

MERCEDES-BENZ ML320 1997  Complete Repair Manual 
 GF54.30-P-3011A
Electronic clock, location/function
24.10.96

MODEL 
129, 140 as of 1.6.96, 

163, 168, 170, 

202 as of 1.8.96, 

208 up to 31.7.99, 

210 as of 1.6.96 up to 30.6.99

P54.30-0520-06

Page 2229 of 4133

MERCEDES-BENZ ML320 1997  Complete Repair Manual 
 AR47.10-P-4000GH
Empty fuel tank if fuel pump is faulty
28.10.97

MODEL 
163.113 with ENGINE 612.963

MODEL 
 163.128 with ENGINE 628.963

MODEL 
 163.136 with ENGINE 111.977

MODEL 
 163.154 with E

Page 2230 of 4133

MERCEDES-BENZ ML320 1997  Complete Repair Manual 
 1.1
Unscrew bolts at rear of 2/3 seat bench and 

raise rear of seat bench

 Up to VIN A145272, X708318.

1.2
Remove covers at seat frame of 60% bench 

seat

 As of VIN A145273, X708319.

AR91.12-P

Page 2231 of 4133

MERCEDES-BENZ ML320 1997  Complete Repair Manual 
 163 589 00 91 00

Extraction hose

Adapter hose

Pliers

163 589 00 37 00 168 589 00 90 00

Commercially available tools 
 (see Workshop Equipment Manual)

Number

Designation
Make (e.g.) 
Order num

Page 2232 of 4133

MERCEDES-BENZ ML320 1997  Complete Repair Manual 
 AP18.00-P-0101AR
Engine - oil and filter change
20.1.99

ENGINE 
612

Modification notes

12.9.02

Engine oil level modified
Step 9:

Only Model 203:

Up to engine end number: 134 163 oil level 
MAX