jylee is right. Also take care on removing the plug wires.
This topic was mentioned not long ago.

p.s. what temp does your C280 run with city driving?
ever notice the passenger side fender as hot
due to engine heat? (mine 98C and hot fender. ).
Thanks

__________________
1979 300D 220 K miles
1995 C280 109 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles SOLD
********************
1979 240D 140Kmiles (bought for parents) *SOLD.
SAN FRANCISCO/(*San Diego)
1989 300SE 148 K miles *SOLD