Mercedes Tupe Up Specs

Tune-up Specifications

* See notes at the end of the table

Car Model

Engine type
(first six digits of
engine serial number)

Champion Spark plug

plug gap (in)

Point
gap (in)

Point Dwell
(�)

Valve Clearance
(in)

Valve
timming
(�)

Ignition timming (�)
(**)

Idle speed

Cranking Compr (psi)

int.

exh.

Intake opens
(*)

Man. Trans.
(N)

Auto Trans.
(N)

Auto Trans.
(D)

Norm. Range

Min.
190 C
121.924

L87Y
0.020
0.016 /0.020
37/41
0.003
0.006
10 B
48
800-850
850-950
600 *9
139-154
117
200
121.940
N6Y
0.023
0.016 /0.020
37/41
0.003
0.007
11 B
43
800-850
850-950
600 *9
147-162
125
230
180.945
/180.949 *1
N6Y
0.023
0.016 /0.020
37/41
0.003
0.007
11 B
37
750-800
800-850
550 *9
147-162
125
220 b
180.940
N6Y
0.023
0.012 /0.016
37/41
0.003
0.006
10 B
35
750-800
800-850
550 *9
147-162
125
220 Sb
180.941
N6Y
0.023
0.012 /0.016
37/41
0.003
0.006
10 B
35
750-800
800-850
550 *9
147-162
125
230 S
180947
N6Y
0.023
0.012 /0.016
37/41
0.003
0.007
11 B
37
750-800
800-850
550 *9
147-162
125
250 S
108.920
N6Y
0.023
0.012 /0.016
37/41
0.003
0.007
11 B
37
750-800
800-850
550 *9
147-162
125
220 SEb
127.982
N6Y
0.023
0.012 /0.016
37/41
0.003
0.006
10 B
28
750-800
750-800
600 *9
147-162
125
250 SE
129.980
N6Y
0.020
0.012 /0.016
37/41
0.003
0.007
11 B
30
750-800
750-800
750 *9
162-177
132
250 SE/C *2
129.980
N6Y
0.020
0.012 /0.016
37/41
0.003
0.007
11 B
30
750-800
750-800
750 *9
162-177
132
230 SL
127.981
N6Y
0.020
0.012 /0.016
37/41
0.003
0.007
10 B
30
750-800
750-800
600 *9
162-177
132
250 SL
129.982
N6Y
0.020
0.012 /0.016
37/41
0.003
0.007
11 B
30
750-800
750-800
750 *9
162-177
132
220 SEb/C *2
129-984
N6Y
0.023
0.012 /0.016
37/41
0.003
0.006
10 B
28
750-800
750-800
600 *9
147-162
125
300 SE
189.984
N6Y
0.020
0.014 -0.018
47/51
0.004
0.010
7 B
28
650-700
680-720
600 *9
147-162
125
300 SE *4
189.986 *5
N6Y
0.020
0.014 -0.018
47/51
0.004
0.008
18 B
28
650-700
680-720
600 *9
147-162
125
300 SE *10
189.986 *3
N6Y
0.020
0.014 -0.018
47/51
0.004
0.008
18 B
28
650-700
680-720
600 *9
147-162
125
300 SE *6,7,2
189.987 *5
N6Y
0.020
0.014 -0.018
47/51
0.004
0.008
18 B
28
650-700
680-720
600 *9
147-162
125
300 SEb
189.989
N6Y
0.020
0.014 -0.018
47/51
0.004
0.010
18 B
28
650-700
680-720
600 *9
147-162
125
300 SEL
189.988
N6Y
0.020
0.014 -0.018
47/51
0.004
0.010
18 B
28
650-700
680-720
600 *9
147-162
125
220 /8
115.920
N6Y
0.023
0.016 /0.020
48/52
0.003
0.008
11 B
43
850-950
850-950
650-700
147-162
125
230 /8
180.954
N6Y
0.023
0.012 /0.016
37/41
0.003
0.007
11 B
37
800-900
800-900
650-700
147-162
125
250 /8
114.920
N6Y
0.023
0.012 /0.016
37/41
0.003
0.007
11 B
37
800-900
800-900
650-700
147-162
125
280 S/8
130.920
N6Y
0.023
.012/.016
37/41
0.003
0.007
11 B
37
800-900
800-900
650-700
147/162
125
280 SE/8 *8
130.980
N6Y
0.020
0.012 /0.016
37/41
0.003
0.007
11 B
30
700-800
700
700
162-177
132
280 SL/8
130.983
N6Y
0.020
0.012 /0.016
37/41
0.003
0.007
11 B
30
700-800
700
700
162-177
132
300 SEL/8 (2.8)
130.981
N6Y
0.020
0.012 /0.016
37/41
0.003
0.007
11 B
30
700-800
700
700
162-177
132
300 SEL/8 (6.3)
100.981
UN12Y
0.020
0.012 /0.016
34/38
0.004
0.010
4 B- 2 A
26 *11
550
550
600
147-162
125


Notes

*1
 INAT carburettors
 *9

In gear, with power steering in lock position
*2
 Coupe and Convertible
 *10
 Coupe to Aug. 1965 
*3
 First version
 *11
 At 3,000  RPM
*4
 Long wheelbase
 
 For normal driving
*5
 Second version
*
 Preload test value of 0.016''
*6
 Convt, to Aug. 1965
**
 At 4,500 RPM, vacum line disconnected and plugged. See distributor advance values Chart
*7
 From Aug. 1965; same engine as previous second version 300 SE conv.
A
After Top Dead Center
*8
 Sedan, Coupe, Convt and long wheelbase 280 SEL / 8
B
 Before Top Dead Center
note 1
 On Dual point distributors, check each set separatelly by inserting
insulator between each contact set in turn .
Dwell values given are total both sets
note 2
To counteract wearing of fiber contact block, adjust dwell to lower end of range (wider gap)





Ref: Frank Mallory's database and https://mercedes-benz-publicarchive.com